•

29 likes•1,397 views

1. The document discusses various types of mechanical loading and stresses including tensile, compressive, shear, bending, and torsional stresses. 2. It describes different types of strains and properties of materials like elasticity, plasticity, ductility. Hooke's law and relationships between stress and strain are explained. 3. Methods for analyzing stresses in machine components subjected to combinations of loads are presented, including principal stresses, Mohr's circle, and thermal stresses. Bending stresses and shear stresses are analyzed for beams under different support conditions.

Report

Share

Report

Share

Download to read offline

Simple stresses and strains

The document discusses stress and strain in engineering structures. It defines load, stress, strain and different types of each. Stress is the internal resisting force per unit area within a loaded component. Strain is the ratio of dimensional change to original dimension of a loaded body. Loads can be tensile, compressive or shear. Hooke's law states stress is proportional to strain within the elastic limit. The elastic modulus defines this proportionality. A tensile test measures the stress-strain curve, identifying elastic limit and other failure points. Multi-axial stress-strain relationships follow Poisson's ratio definitions.

Som ppt

1. When a force is applied to a body, it causes the body to deform or change shape. This deformation is called strain. Direct stress is calculated as the applied force divided by the cross-sectional area.
2. Materials deform both elastically and plastically when stressed. Elastic deformation is reversible but plastic deformation causes a permanent change in shape. Hooke's law describes the linear elastic behavior of many materials, where stress is directly proportional to strain up to the elastic limit.
3. Thermal expansion and contraction can induce stress in materials as temperature changes unless deformation is unconstrained. The total strain is the sum of strain due to stress and strain due to temperature changes.

Some basics of Strength Of Materials..

Some basic defintions of the topics used in Strength of Materials subject. Pictorial presentation is more than details. Many examples are provided as well.

Complex stresses

The document discusses compound stresses, which involve both normal and shear stresses acting on a plane. It provides equations to calculate:
1) Normal and shear stresses on a plane inclined to the given stress plane.
2) The inclination and normal stresses on the planes of maximum and minimum normal stress (principal planes).
3) The inclination and shear stresses on the planes of maximum shear stress.
It includes an example problem calculating the principal stresses and maximum shear stresses given a state of stress. Sign conventions for stresses are also defined.

Theories of failure

This describes the need of various theories of material failure and how they can be represented graphically.

Lecture 1 stresses and strains

The document discusses Deepak's academic and professional background, including an MBA from IE Business School in Spain and experience founding perfectbazaar.com. It also provides an overview of the topics to be covered in the Strength of Materials course, such as stresses, strains, Hooke's law, and analysis of bars with varying cross-sections. The grading policy and syllabus are outlined which divide the course into 5 units covering various strength of materials concepts.

Torsion of circular shafts

This document discusses mechanics of solid members subjected to torsional loads. It describes how torsion works, generating shear stresses in circular shafts. The key equations for relating applied torque (T) to shear stress (τ) and angle of twist (θ) are developed. For a solid circular shaft under torque T, the maximum shear stress τmax occurs at the outer surface and is equal to T/J, where J is the polar moment of inertia of the cross section. Power transmitted by a shaft is also defined as 2πNT, where N is rotational speed in revolutions per minute. Shear stress distribution and failure modes under yielding are also briefly covered.

Strength of Materials

This document provides an overview of topics related to strength of materials and mechanics of solids, including normal stress and strain, shear stress and strain, strain energy, impact loads, principal stress and strain, Mohr's stress circle, equilibrium equations, Hooke's law, and theories of failure. It includes definitions, formulas, and examples for each topic.

Simple stresses and strains

The document discusses stress and strain in engineering structures. It defines load, stress, strain and different types of each. Stress is the internal resisting force per unit area within a loaded component. Strain is the ratio of dimensional change to original dimension of a loaded body. Loads can be tensile, compressive or shear. Hooke's law states stress is proportional to strain within the elastic limit. The elastic modulus defines this proportionality. A tensile test measures the stress-strain curve, identifying elastic limit and other failure points. Multi-axial stress-strain relationships follow Poisson's ratio definitions.

Som ppt

1. When a force is applied to a body, it causes the body to deform or change shape. This deformation is called strain. Direct stress is calculated as the applied force divided by the cross-sectional area.
2. Materials deform both elastically and plastically when stressed. Elastic deformation is reversible but plastic deformation causes a permanent change in shape. Hooke's law describes the linear elastic behavior of many materials, where stress is directly proportional to strain up to the elastic limit.
3. Thermal expansion and contraction can induce stress in materials as temperature changes unless deformation is unconstrained. The total strain is the sum of strain due to stress and strain due to temperature changes.

Some basics of Strength Of Materials..

Some basic defintions of the topics used in Strength of Materials subject. Pictorial presentation is more than details. Many examples are provided as well.

Complex stresses

The document discusses compound stresses, which involve both normal and shear stresses acting on a plane. It provides equations to calculate:
1) Normal and shear stresses on a plane inclined to the given stress plane.
2) The inclination and normal stresses on the planes of maximum and minimum normal stress (principal planes).
3) The inclination and shear stresses on the planes of maximum shear stress.
It includes an example problem calculating the principal stresses and maximum shear stresses given a state of stress. Sign conventions for stresses are also defined.

Theories of failure

This describes the need of various theories of material failure and how they can be represented graphically.

Lecture 1 stresses and strains

The document discusses Deepak's academic and professional background, including an MBA from IE Business School in Spain and experience founding perfectbazaar.com. It also provides an overview of the topics to be covered in the Strength of Materials course, such as stresses, strains, Hooke's law, and analysis of bars with varying cross-sections. The grading policy and syllabus are outlined which divide the course into 5 units covering various strength of materials concepts.

Torsion of circular shafts

This document discusses mechanics of solid members subjected to torsional loads. It describes how torsion works, generating shear stresses in circular shafts. The key equations for relating applied torque (T) to shear stress (τ) and angle of twist (θ) are developed. For a solid circular shaft under torque T, the maximum shear stress τmax occurs at the outer surface and is equal to T/J, where J is the polar moment of inertia of the cross section. Power transmitted by a shaft is also defined as 2πNT, where N is rotational speed in revolutions per minute. Shear stress distribution and failure modes under yielding are also briefly covered.

Strength of Materials

This document provides an overview of topics related to strength of materials and mechanics of solids, including normal stress and strain, shear stress and strain, strain energy, impact loads, principal stress and strain, Mohr's stress circle, equilibrium equations, Hooke's law, and theories of failure. It includes definitions, formulas, and examples for each topic.

Shear force and bending moment

The document discusses beams, which are horizontal structural members that support applied loads. It defines applied and reactive forces, and describes different types of supports including roller, hinge, and fixed supports. It then defines and describes different types of beams, including cantilever, simply supported, overhanging, fixed, and continuous beams. It also discusses types of loads, including concentrated and distributed loads, and how beams experience both bending and shear forces from loads.

Simple stresses and strain

Related to mechanics of Material in which study of stresses and strain, their types, Hooks law is given

Strength of Materials

1. The document discusses structures, loads, stresses, strains and material properties related to mechanics of materials.
2. It defines key terms like stress, strain, elastic modulus and explains stress-strain relationships. Common stress types like tensile, compressive, shear and their effects are described.
3. Examples of different structures like cylinders, spheres, arches, towers and bridges are provided to illustrate stress distributions and effects of loads. Material properties of common materials are also listed.

Basics of strength of materials

This document discusses the basics of strength of materials. It defines solid mechanics as the branch of mechanics dealing with the behavior of solid materials under external forces or internal forces caused by temperature changes, phase changes, or other agents. It describes several key mechanical properties of materials including ductility, hardness, impact resistance, plasticity, fracture toughness, elasticity, endurance strength, creep resistance, and more. It also defines stress, strain, and explains Hooke's law relating stress and strain within a material's elastic limit according to its modulus of elasticity.

Strength of Materials

Engineers study the mechanics of materials mainly in order to have a means of analyzing and designing various machines and load bearing structures.

Strain energy

The document discusses different types of strain energy stored in materials when subjected to loads. It defines strain energy as the work done or energy stored in a body during elastic deformation. The types of strain energy discussed include: elastic strain energy, strain energy due to gradual, sudden, impact, shock and shear loading. Formulas are provided to calculate strain energy due to these different loadings. Examples of calculating strain energy in axially loaded bars and beams subjected to bending and torsional loads are also presented.

Bending stresses

The document discusses bending stresses in beams. It describes how bending stresses are developed in beams to resist bending moments and shearing forces. The theory of pure bending is introduced, where only bending stresses are considered without the effect of shear. Equations for calculating bending stresses are derived based on the beam's moment of inertia, bending moment, and distance from the neutral axis. Several beam cross-section examples are provided to demonstrate how to calculate the maximum bending stress and section modulus.

Cd chap 2 - static loading

The document discusses stress distribution in basic machine components such as rods, beams, shafts, thin cylinders, and thick cylinders. It describes the different types of stresses that act on these components, including normal stress, shear stress, bearing stress, and deflection. The key points covered are the stress concentration at critical points, the formulas used to calculate stresses, and the factors considered in the design of these components for both stress and strength.

Simple Stress and Strain

This document provides an overview of simple stress and strain concepts including:
- Stress is defined as the internal resisting force per unit area acting on a material. It can be expressed as the limit of the distributed force over an infinitesimal area as the area approaches zero.
- Normal stress is the intensity of force acting normally to a section, while shear stress is the intensity of force acting tangentially.
- For long, slender beams that experience uniform tensile or compressive stress, the average normal stress can be calculated as the total force divided by the cross-sectional area.

Unit 1- simple stress and strain

This document gives the class notes of Unit-8: Torsion of circular shafts and elastic stability of columns. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.

Shear stresses in beams

The document discusses shear stresses in beams. It defines shear stress as being due to shear force and perpendicular to the cross-sectional area. Shear stress is derived as τ = F/A, where F is the shear force and A is the cross-sectional area. Shear stress varies across standard beam cross sections like rectangular, circular, and triangular. Shear stress is maximum at the neutral axis for rectangular and circular beams, and at half the depth for triangular beams. Sample problems are included to demonstrate calculating and graphing the variation of shear stress across specific beam cross sections.

Thin and Thick Cylinders

1) The document discusses stresses in thin and thick cylinders, including circumferential (hoop), longitudinal, and radial stresses. It also covers principal stresses.
2) Formulas are provided for calculating wall thickness based on tangential stress in thin cylinders, and Lame's equation is introduced for thick cylinders.
3) Additional concepts covered include stresses in spherical vessels, pre-stressing techniques like autofrettage to increase pressure capacity, and stresses in cylinders under external pressure or combined internal and shrink pressures.

Strength of materials

Brief introduction to Strength of Materials Course (also known as Solid Mechanics in some institutions) as per importance in Civil Engineering.

Bending stresses in beams

This document discusses bending stresses in beams. It defines simple or pure bending as when a beam experiences zero shear force and constant bending moment over a length. For simple bending, the stress distribution can be calculated using beam theory. The key points are:
- Bending stresses are introduced due to bending moments and are highest at the extreme fibers furthest from the neutral axis.
- The neutral axis experiences no bending stress and its location is defined by the centroidal axis of the beam cross-section.
- Bending stress is directly proportional to the distance from the neutral axis. The stress distribution follows σ = My/I, where M is the bending moment, y is the distance from neutral axis, and I is

Undamped Free Vibration

This Is for G.T.U. Students.
This will helps to understand undamped free vibrations and for Active Learning Assignment.

Bending stresses in beams

Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.

Som strain energy

The document discusses different types of strain energy. It defines modulus of resilience as the maximum amount of energy per unit volume a material can absorb through elastic deformation or recover from after stress is released, with units of Joules per cubic meter. For gradual loading, strain energy is calculated as half the load multiplied by the change in length. For sudden loading, strain energy stored equals the load multiplied by the displacement, which can be determined using stress, length, and Young's modulus from Hooke's law. For impact loading, strain energy equals the load multiplied by the displacement height plus the deformation calculated from stress and material properties.

Types of stresses

This document discusses different types of stresses:
1. Stress is defined as the internal resisting force per unit area within a material subjected to an external force. Different types of stresses include normal stress, shear stress, tensile stress, compressive stress, bending shear stress, and torsional shear stress.
2. Tensile stress acts normal to the area and pulls on the area, while compressive stress pushes on the area. Shear stress induces a tendency for a material to shear off across a resisting section when subjected to opposing tangential forces.
3. Bending shear stress results when a beam experiences loading, producing compressive stress on the top fibers and tensile stress on the bottom fibers that varies linearly

Unit 2 design of shaft

1. A shaft transmits power and rotational motion and has machine elements like gears and pulleys mounted on it.
2. Press fits, keys, dowel pins, and splines are used to attach machine elements to the shaft.
3. The shaft rotates on rolling contact or bush bearings and uses features like retaining rings to take up axial loads.
4. Couplings are used to transmit power between drive and driven shafts like between a motor and gearbox.

STRAIN ENERGY CONCEPT STRENGTH OF MATERIAL

1. Strain energy is the energy stored in a body when it is strained within the elastic limit due to an applied load. The formula for strain energy is U = σ2/2E x V, where U is strain energy, σ is stress, E is modulus of elasticity, and V is volume.
2. Resilience is the total strain energy stored in a body within the elastic limit. Proof resilience is the maximum strain energy that can be stored at the elastic limit. Modulus of resilience is the maximum strain energy that can be stored per unit volume at the elastic limit.
3. An impact or shock load is a sudden load applied to a body, such as a load falling from

Stress & Strain PPT.ppt

This document provides an overview of fundamental mechanical engineering concepts including stress, strain, Hooke's law, stress-strain diagrams, elastic constants, and mechanical properties. It defines stress as force per unit area and strain as the deformation of a material from stress. Hooke's law states that stress is directly proportional to strain within the elastic limit. Stress-strain diagrams are presented for ductile and brittle materials. Key elastic constants like Young's modulus, shear modulus, and Poisson's ratio are defined along with their relationships. Mechanical properties of materials like elasticity, plasticity, ductility, strength, brittleness, toughness, hardness, and stiffness are also summarized.

Stress & Strain PPT.ppt

This document provides an overview of fundamental mechanical engineering concepts including stress, strain, Hooke's law, stress-strain diagrams, and elastic properties of materials. Key points include:
- Stress is defined as force per unit area. Normal stress acts perpendicular to the area while shear stress acts tangentially.
- Strain is the deformation from applied stress. Tensile and compressive strains refer to changes in length while shear and volumetric strains refer to other types of deformations.
- Hooke's law states that stress is directly proportional to strain within the elastic limit. The modulus of elasticity is the constant of proportionality.
- Stress-strain diagrams graphically show the relationship between stress and strain

Shear force and bending moment

The document discusses beams, which are horizontal structural members that support applied loads. It defines applied and reactive forces, and describes different types of supports including roller, hinge, and fixed supports. It then defines and describes different types of beams, including cantilever, simply supported, overhanging, fixed, and continuous beams. It also discusses types of loads, including concentrated and distributed loads, and how beams experience both bending and shear forces from loads.

Simple stresses and strain

Related to mechanics of Material in which study of stresses and strain, their types, Hooks law is given

Strength of Materials

1. The document discusses structures, loads, stresses, strains and material properties related to mechanics of materials.
2. It defines key terms like stress, strain, elastic modulus and explains stress-strain relationships. Common stress types like tensile, compressive, shear and their effects are described.
3. Examples of different structures like cylinders, spheres, arches, towers and bridges are provided to illustrate stress distributions and effects of loads. Material properties of common materials are also listed.

Basics of strength of materials

This document discusses the basics of strength of materials. It defines solid mechanics as the branch of mechanics dealing with the behavior of solid materials under external forces or internal forces caused by temperature changes, phase changes, or other agents. It describes several key mechanical properties of materials including ductility, hardness, impact resistance, plasticity, fracture toughness, elasticity, endurance strength, creep resistance, and more. It also defines stress, strain, and explains Hooke's law relating stress and strain within a material's elastic limit according to its modulus of elasticity.

Strength of Materials

Engineers study the mechanics of materials mainly in order to have a means of analyzing and designing various machines and load bearing structures.

Strain energy

The document discusses different types of strain energy stored in materials when subjected to loads. It defines strain energy as the work done or energy stored in a body during elastic deformation. The types of strain energy discussed include: elastic strain energy, strain energy due to gradual, sudden, impact, shock and shear loading. Formulas are provided to calculate strain energy due to these different loadings. Examples of calculating strain energy in axially loaded bars and beams subjected to bending and torsional loads are also presented.

Bending stresses

The document discusses bending stresses in beams. It describes how bending stresses are developed in beams to resist bending moments and shearing forces. The theory of pure bending is introduced, where only bending stresses are considered without the effect of shear. Equations for calculating bending stresses are derived based on the beam's moment of inertia, bending moment, and distance from the neutral axis. Several beam cross-section examples are provided to demonstrate how to calculate the maximum bending stress and section modulus.

Cd chap 2 - static loading

The document discusses stress distribution in basic machine components such as rods, beams, shafts, thin cylinders, and thick cylinders. It describes the different types of stresses that act on these components, including normal stress, shear stress, bearing stress, and deflection. The key points covered are the stress concentration at critical points, the formulas used to calculate stresses, and the factors considered in the design of these components for both stress and strength.

Simple Stress and Strain

This document provides an overview of simple stress and strain concepts including:
- Stress is defined as the internal resisting force per unit area acting on a material. It can be expressed as the limit of the distributed force over an infinitesimal area as the area approaches zero.
- Normal stress is the intensity of force acting normally to a section, while shear stress is the intensity of force acting tangentially.
- For long, slender beams that experience uniform tensile or compressive stress, the average normal stress can be calculated as the total force divided by the cross-sectional area.

Unit 1- simple stress and strain

This document gives the class notes of Unit-8: Torsion of circular shafts and elastic stability of columns. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.

Shear stresses in beams

The document discusses shear stresses in beams. It defines shear stress as being due to shear force and perpendicular to the cross-sectional area. Shear stress is derived as τ = F/A, where F is the shear force and A is the cross-sectional area. Shear stress varies across standard beam cross sections like rectangular, circular, and triangular. Shear stress is maximum at the neutral axis for rectangular and circular beams, and at half the depth for triangular beams. Sample problems are included to demonstrate calculating and graphing the variation of shear stress across specific beam cross sections.

Thin and Thick Cylinders

1) The document discusses stresses in thin and thick cylinders, including circumferential (hoop), longitudinal, and radial stresses. It also covers principal stresses.
2) Formulas are provided for calculating wall thickness based on tangential stress in thin cylinders, and Lame's equation is introduced for thick cylinders.
3) Additional concepts covered include stresses in spherical vessels, pre-stressing techniques like autofrettage to increase pressure capacity, and stresses in cylinders under external pressure or combined internal and shrink pressures.

Strength of materials

Brief introduction to Strength of Materials Course (also known as Solid Mechanics in some institutions) as per importance in Civil Engineering.

Bending stresses in beams

This document discusses bending stresses in beams. It defines simple or pure bending as when a beam experiences zero shear force and constant bending moment over a length. For simple bending, the stress distribution can be calculated using beam theory. The key points are:
- Bending stresses are introduced due to bending moments and are highest at the extreme fibers furthest from the neutral axis.
- The neutral axis experiences no bending stress and its location is defined by the centroidal axis of the beam cross-section.
- Bending stress is directly proportional to the distance from the neutral axis. The stress distribution follows σ = My/I, where M is the bending moment, y is the distance from neutral axis, and I is

Undamped Free Vibration

This Is for G.T.U. Students.
This will helps to understand undamped free vibrations and for Active Learning Assignment.

Bending stresses in beams

Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.

Som strain energy

The document discusses different types of strain energy. It defines modulus of resilience as the maximum amount of energy per unit volume a material can absorb through elastic deformation or recover from after stress is released, with units of Joules per cubic meter. For gradual loading, strain energy is calculated as half the load multiplied by the change in length. For sudden loading, strain energy stored equals the load multiplied by the displacement, which can be determined using stress, length, and Young's modulus from Hooke's law. For impact loading, strain energy equals the load multiplied by the displacement height plus the deformation calculated from stress and material properties.

Types of stresses

This document discusses different types of stresses:
1. Stress is defined as the internal resisting force per unit area within a material subjected to an external force. Different types of stresses include normal stress, shear stress, tensile stress, compressive stress, bending shear stress, and torsional shear stress.
2. Tensile stress acts normal to the area and pulls on the area, while compressive stress pushes on the area. Shear stress induces a tendency for a material to shear off across a resisting section when subjected to opposing tangential forces.
3. Bending shear stress results when a beam experiences loading, producing compressive stress on the top fibers and tensile stress on the bottom fibers that varies linearly

Unit 2 design of shaft

1. A shaft transmits power and rotational motion and has machine elements like gears and pulleys mounted on it.
2. Press fits, keys, dowel pins, and splines are used to attach machine elements to the shaft.
3. The shaft rotates on rolling contact or bush bearings and uses features like retaining rings to take up axial loads.
4. Couplings are used to transmit power between drive and driven shafts like between a motor and gearbox.

STRAIN ENERGY CONCEPT STRENGTH OF MATERIAL

1. Strain energy is the energy stored in a body when it is strained within the elastic limit due to an applied load. The formula for strain energy is U = σ2/2E x V, where U is strain energy, σ is stress, E is modulus of elasticity, and V is volume.
2. Resilience is the total strain energy stored in a body within the elastic limit. Proof resilience is the maximum strain energy that can be stored at the elastic limit. Modulus of resilience is the maximum strain energy that can be stored per unit volume at the elastic limit.
3. An impact or shock load is a sudden load applied to a body, such as a load falling from

Shear force and bending moment

Shear force and bending moment

Simple stresses and strain

Simple stresses and strain

Strength of Materials

Strength of Materials

Basics of strength of materials

Basics of strength of materials

Strength of Materials

Strength of Materials

Strain energy

Strain energy

Bending stresses

Bending stresses

Cd chap 2 - static loading

Cd chap 2 - static loading

Simple Stress and Strain

Simple Stress and Strain

Unit 1- simple stress and strain

Unit 1- simple stress and strain

Shear stresses in beams

Shear stresses in beams

Thin and Thick Cylinders

Thin and Thick Cylinders

Strength of materials

Strength of materials

Bending stresses in beams

Bending stresses in beams

Undamped Free Vibration

Undamped Free Vibration

Bending stresses in beams

Bending stresses in beams

Som strain energy

Som strain energy

Types of stresses

Types of stresses

Unit 2 design of shaft

Unit 2 design of shaft

STRAIN ENERGY CONCEPT STRENGTH OF MATERIAL

STRAIN ENERGY CONCEPT STRENGTH OF MATERIAL

Stress & Strain PPT.ppt

This document provides an overview of fundamental mechanical engineering concepts including stress, strain, Hooke's law, stress-strain diagrams, elastic constants, and mechanical properties. It defines stress as force per unit area and strain as the deformation of a material from stress. Hooke's law states that stress is directly proportional to strain within the elastic limit. Stress-strain diagrams are presented for ductile and brittle materials. Key elastic constants like Young's modulus, shear modulus, and Poisson's ratio are defined along with their relationships. Mechanical properties of materials like elasticity, plasticity, ductility, strength, brittleness, toughness, hardness, and stiffness are also summarized.

Stress & Strain PPT.ppt

This document provides an overview of fundamental mechanical engineering concepts including stress, strain, Hooke's law, stress-strain diagrams, and elastic properties of materials. Key points include:
- Stress is defined as force per unit area. Normal stress acts perpendicular to the area while shear stress acts tangentially.
- Strain is the deformation from applied stress. Tensile and compressive strains refer to changes in length while shear and volumetric strains refer to other types of deformations.
- Hooke's law states that stress is directly proportional to strain within the elastic limit. The modulus of elasticity is the constant of proportionality.
- Stress-strain diagrams graphically show the relationship between stress and strain

1-Machine design - Stresses in Machine Members (2) - Copy.pptx

Types of stresses include tensile, compressive, shear, torsional, and bearing. Stresses are caused by external forces and loads acting on a body. Stress is equal to force divided by cross-sectional area. Strain is the deformation or change in length caused by stresses. Hooke's law states stress is proportional to strain. Shear stress is caused by tangential forces across a section and shear strain is the resulting angular deformation. Torsional shear stress results from opposing torque or twisting moments.

Mechanics of materials

This document provides an introduction and overview of mechanics of materials. It defines key terms like stress, strain, normal stress, shear stress, factor of safety, and allowable stress. It also gives examples of calculating stresses in structural members subjected to various loads. The document is an introductory reading for a mechanics of materials course that will analyze the relationship between external forces and internal stresses and strains in structural elements.

Stress,strain,load

Loads can be tensile (pulling) or compressive (pushing) forces. Common types of loads include dead loads from structural weight, live loads from moving objects, impact loads from vibrations, and cyclic loads from repeated forces. When loads are applied, they cause stress in materials. Stress is the internal resisting force per unit area. Stresses can be tensile (pulling), compressive (pushing), or shear (tangential). Corresponding strains are the changes in dimensions from stresses. Hooke's law states that within the elastic limit, stress is proportional to strain by a constant modulus of elasticity.

Unit I Stresses and strain PSG.pptx

This document provides an introduction to stresses and strains. It defines key terms like load, stress, strain, Poisson's ratio, Hooke's law, and the stress-strain diagram. It describes different types of loads, stresses like normal, shear, bending, and torsion stresses. It also covers types of strains like linear, lateral, and Poisson's ratio. The stress-strain diagram is discussed for ductile and brittle materials. The concept of factor of safety is introduced as the ratio of ultimate/yield stress to allowable stress.

Bending and Torsion A.Vinoth Jebaraj

This document discusses stresses and resisting areas for different types of loading on structural members. It covers direct/axial loading, transverse loading, and tangential/twisting loading. Key concepts include:
- Area moment of inertia (I) and polar moment of inertia (J) describe a cross-section's resistance to bending and twisting stresses.
- Beams must be designed to resist both bending stresses from applied moments and twisting stresses if external torques are present.
- Bending stresses are induced by bending moments and cause compression on the top fibers and tension on the bottom fibers. Assumptions made in calculating bending stresses are discussed.

1 - 29 Jan 2023.pptx

1) Materials deform when stressed, returning to original shape within the elastic limit. Beyond this, deformation is permanent.
2) Hooke's law describes the linear relationship between stress and strain within the elastic limit. The slope is Young's modulus, a measure of stiffness.
3) Poisson's ratio defines the lateral contraction that occurs when a material is stretched. Most materials contract laterally to some degree.

Introduction to engineering basics

This document discusses key concepts in strength of materials and engineering basics. It defines stress as the force per unit area on a material, and strain as the deformation or change in shape of a material under stress. The document outlines different types of stresses like tensile, compressive, and shear stress and the corresponding strains. It also discusses stress-strain curves and elastic properties like Young's modulus and Poisson's ratio. Finally, it covers topics like types of beams, loads, mechanical properties and more.

Introduction to engineering basics

This document discusses key concepts in strength of materials and engineering basics. It defines stress as the force per unit area on a material, and strain as the deformation or change in shape of a material under stress. The document outlines different types of stresses like tensile, compressive, and shear stress and the corresponding strains. It also discusses stress-strain curves and elastic properties like Young's modulus and Poisson's ratio. Finally, it covers types of beams, loads, and mechanical properties of materials.

Shear Stress; Id no.: 10.01.03.033

This document provides information about shear stress and shear force in structural elements like beams. It defines shear stress and explains how to calculate it. It discusses the distribution of shear stress across different cross section shapes, including rectangular, circular, T-sections, and wide flange sections. It also describes how shear stress affects steel and concrete materials and what reinforcement is used to address problems caused by shear stresses.

biomec.pdf

This document discusses stresses, strains, and mechanical properties of materials as they relate to biomechanics and bone behavior. It contains the following key points:
1. Stresses are defined as forces per unit area and strains are defined as deformations or changes in length. Normal stresses act perpendicular to a plane, while shear stresses act parallel.
2. Materials experience different types of stresses and strains including compression, tension, bending, torsion, and shear. Stress-strain curves are used to characterize elastic behavior, yield points, and failure properties.
3. Bone is a non-homogeneous, anisotropic, viscoelastic composite material that can withstand different loading rates and stresses in longitudinal and transverse directions. Its

Stresses and its components - Theory of Elasticity and Plasticity

Stress at any section is internal resistance offered by metal against the deformation caused by applied load.
It is Internal resistance pre-unit area.
When a metal is subjected to a load, it is deformed, no matter how strong the metal.
If the load is small, the distortion will probably disappear when the load is removed.
If the distortion disappears and the metal returns to its original dimensions upon removal of the load, the strain is called elastic strain.
If the distortion disappears and the metal remains distorted, the strain type is called plastic strain

simplestressesandstrainsjv-131016035244-phpapp02.pptx

This document provides an overview of simple stress and strain concepts. It defines load, stress, strain, Hooke's law, elastic moduli, stress-strain curves, and analyses of bars with varying cross-sections, tapered sections, and composite sections. Key points include: load is defined as external forces on a structure; stress is the internal resisting force per unit area; strain is the ratio of dimensional change to original dimension; Hooke's law states stress is proportional to strain within the elastic limit; and stress-strain curves from tensile tests show elastic and plastic deformation regions.

About shear and bending stress.pptx

This document discusses different types of shear stress, including pure shear stress, beam shear stress, semi-monocoque shear stress, impact shear stress, and bending stress. It provides formulas to calculate shear stress for these different types. The key types discussed are pure shear stress, which is related to shear strain and shear modulus, beam shear stress caused by applied shear forces, and bending stress that occurs when equipment or structures are subjected to tensile loads.

Formula Bank and Important tips for Mechanical Engineering Students for Compe...

This document summarizes key concepts in engineering mechanics and strength of materials for mechanical engineering students. It covers topics like force equilibrium, stress and strain analysis, material properties, and failure theories. Key equations are presented for areas including static equilibrium, centroids, moments of inertia, stress-strain relationships, transformation of stresses, and bending stresses in beams. Diagrams illustrate stress distributions and Mohr's circle analyses for various loading conditions.

Unit 1 part 1 mechanics for AKTU 2021 first year ( KME 101T)

strictly as per AKTU syllabus for BTech first yr 2021
subject- fundamentals of mechanical and mechatronics
subject code - KME 101T

Stess strain basic concept

This document provides an overview of stress, strain, and modulus of elasticity concepts in mechanical engineering. It defines stress as force per unit area, strain as the deformation per original length. Hooke's law states deformation is directly proportional to force. The modulus of elasticity E is the constant of proportionality between stress and strain. A stress-strain diagram is presented showing the elastic region, yield point, plastic region, strain hardening, and necking behavior. Shear stress and modulus of rigidity G are also defined. Design considerations like factor of safety are discussed for selecting allowable loads below ultimate strengths.

Som (lecture 2)

The document discusses stresses and strains, including:
1) It defines stress-strain diagrams, which plot stress versus strain, and describes the different regions including the elastic region, yield point, plastic region, and fracture point.
2) It explains concepts such as Hooke's law, elastic limit, yield strength, tensile strength, and strain hardening.
3) It discusses modulus of elasticity (Young's modulus), which is a measure of a material's stiffness, and Poisson's ratio, which relates lateral and linear strains.

Stress & Strain PPT.ppt

Stress & Strain PPT.ppt

Stress & Strain PPT.ppt

Stress & Strain PPT.ppt

stressstrainppt-221103091641-788d72e2.ppt

stressstrainppt-221103091641-788d72e2.ppt

1-Machine design - Stresses in Machine Members (2) - Copy.pptx

1-Machine design - Stresses in Machine Members (2) - Copy.pptx

Mechanics of materials

Mechanics of materials

Stress,strain,load

Stress,strain,load

Unit I Stresses and strain PSG.pptx

Unit I Stresses and strain PSG.pptx

Bending and Torsion A.Vinoth Jebaraj

Bending and Torsion A.Vinoth Jebaraj

1 - 29 Jan 2023.pptx

1 - 29 Jan 2023.pptx

Introduction to engineering basics

Introduction to engineering basics

Introduction to engineering basics

Introduction to engineering basics

Shear Stress; Id no.: 10.01.03.033

Shear Stress; Id no.: 10.01.03.033

biomec.pdf

biomec.pdf

Stresses and its components - Theory of Elasticity and Plasticity

Stresses and its components - Theory of Elasticity and Plasticity

simplestressesandstrainsjv-131016035244-phpapp02.pptx

simplestressesandstrainsjv-131016035244-phpapp02.pptx

About shear and bending stress.pptx

About shear and bending stress.pptx

Formula Bank and Important tips for Mechanical Engineering Students for Compe...

Formula Bank and Important tips for Mechanical Engineering Students for Compe...

Unit 1 part 1 mechanics for AKTU 2021 first year ( KME 101T)

Unit 1 part 1 mechanics for AKTU 2021 first year ( KME 101T)

Stess strain basic concept

Stess strain basic concept

Som (lecture 2)

Som (lecture 2)

Strength of Materials hand written notes by A Vinoth Jebaraj

The document discusses the benefits of exercise for both physical and mental health. Regular exercise can improve cardiovascular health, reduce symptoms of depression and anxiety, enhance mood, and boost brain function. Staying physically active helps fight diseases and conditions, increases energy levels, and promotes better quality of life.

Design for welding by A Vinoth Jebaraj

The document provides information on various welding processes and factors related to welding design and quality. It discusses different welding techniques, their typical applications based on production quantities, joint design considerations for minimizing distortion and stresses, non-destructive and destructive testing methods, and common welding defects such as lack of fusion, undercut, porosity, overlap and their causes.

Introduction finite element method by A.Vinoth Jebaraj

This document discusses finite element analysis (FEA) and its applications in engineering design. It covers topics such as:
- The different types of analyses that can be done, including 1D, 2D, and 3D analysis
- The types of finite elements that can be used, such as beam, shell, and solid elements
- How FEA can be used as a replacement for physical testing in the design process
- Key steps in pre-processing and post-processing FEA models
- Examples of how different elements model stresses, including axial, bending, torsional, and plane stresses

Engineering mechanics by A.Vinoth Jebaraj

This document discusses various topics in mechanics including:
- Mechanics deals with forces and their effects on bodies at rest or in motion. It includes statics, dynamics, and the mechanics of rigid and deformable bodies.
- Forces can be analyzed using concepts such as free body diagrams, components, resultants, and equilibrium conditions. Friction and trusses are also analyzed.
- Kinematics examines the motion of particles and rigid bodies without considering forces. It relates time, position, velocity, and acceleration. Dynamics analyzes forces and acceleration using concepts like work, energy, impulse, and momentum.

Welding technology by A.Vinoth Jebaraj

This document discusses various topics related to welding metallurgy including:
- The classification of commercial welding processes such as gas welding, arc welding, and high density beam welding.
- How the microstructure of metals changes during the welding process as the weld metal transitions from liquid to solid states.
- Factors that influence the heat input required for welding like material thickness, thermal conductivity, and preheating temperature.
- Different welding parameters like current, voltage, speed, and electrode diameter and how they affect the weld bead.
- Common weld defects such as lack of penetration, porosity, cracks and how to prevent them.
- How residual stresses are induced during welding

Design of transmission systems by A.Vinoth Jebaraj

This document provides an overview of the design of transmission systems using gears. It discusses various gear types including spur gears, helical gears, bevel gears, worm gears, and their applications. Key points covered include:
- Gears are used to transmit power between shafts where exact velocity ratio is required. Different gear types are suitable for various center distances and power requirements.
- Proper design of parameters like module, face width, and center distance is important based on the material strength and induced stresses.
- Bevel and worm gears can change the direction of shaft rotation. Bevel gears maintain the axes in the same plane while worm gears provide high speed reduction.
- Gear failures like teeth break

Strength of Materials hand written notes by A Vinoth Jebaraj

Strength of Materials hand written notes by A Vinoth Jebaraj

Design for welding by A Vinoth Jebaraj

Design for welding by A Vinoth Jebaraj

Introduction finite element method by A.Vinoth Jebaraj

Introduction finite element method by A.Vinoth Jebaraj

Engineering mechanics by A.Vinoth Jebaraj

Engineering mechanics by A.Vinoth Jebaraj

Welding technology by A.Vinoth Jebaraj

Welding technology by A.Vinoth Jebaraj

Design of transmission systems by A.Vinoth Jebaraj

Design of transmission systems by A.Vinoth Jebaraj

4. Mosca vol I -Fisica-Tipler-5ta-Edicion-Vol-1.pdf

Conceptos basicos de fisica

Engineering Standards Wiring methods.pdf

Engineering Standards Wiring methods.pdf

LLM Fine Tuning with QLoRA Cassandra Lunch 4, presented by Anant

Slides for the 4th Presentation on LLM Fine-Tuning with QLoRA Presented by Anant, featuring DataStax Astra

Advanced control scheme of doubly fed induction generator for wind turbine us...

This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.

一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理

原版一模一样【微信：741003700 】【(uofo毕业证书)美国俄勒冈大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。

Null Bangalore | Pentesters Approach to AWS IAM

#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)

CEC 352 - SATELLITE COMMUNICATION UNIT 1

SATELLITE COMMUNICATION

Electric vehicle and photovoltaic advanced roles in enhancing the financial p...

Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network

Digital Twins Computer Networking Paper Presentation.pptx

A Digital Twin in computer networking is a virtual representation of a physical network, used to simulate, analyze, and optimize network performance and reliability. It leverages real-time data to enhance network management, predict issues, and improve decision-making processes.

Object Oriented Analysis and Design - OOAD

This ppt gives detailed description of Object Oriented Analysis and design.

IEEE Aerospace and Electronic Systems Society as a Graduate Student Member

IEEE Aerospace and Electronic Systems Society as a Graduate Student Member

原版制作(Humboldt毕业证书)柏林大学毕业证学位证一模一样

原件一模一样【微信：bwp0011】《(Humboldt毕业证书)柏林大学毕业证学位证》【微信：bwp0011】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问微bwp0011
【主营项目】
一.毕业证【微bwp0011】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微bwp0011】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才

Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024

Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.

学校原版美国波士顿大学毕业证学历学位证书原版一模一样

原版一模一样【微信：741003700 】【美国波士顿大学毕业证学历学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才

Software Engineering and Project Management - Introduction, Modeling Concepts...

Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.

CompEx~Manual~1210 (2).pdf COMPEX GAS AND VAPOURS

GAS AND VAPOURS COMPEX 01-04

DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODEL

As digital technology becomes more deeply embedded in power systems, protecting the communication
networks of Smart Grids (SG) has emerged as a critical concern. Distributed Network Protocol 3 (DNP3)
represents a multi-tiered application layer protocol extensively utilized in Supervisory Control and Data
Acquisition (SCADA)-based smart grids to facilitate real-time data gathering and control functionalities.
Robust Intrusion Detection Systems (IDS) are necessary for early threat detection and mitigation because
of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
solve this issue, this paper develops a hybrid Deep Learning (DL) model specifically designed for intrusion
detection in smart grids. The proposed approach is a combination of the Convolutional Neural Network
(CNN) and the Long-Short-Term Memory algorithms (LSTM). We employed a recent intrusion detection
dataset (DNP3), which focuses on unauthorized commands and Denial of Service (DoS) cyberattacks, to
train and test our model. The results of our experiments show that our CNN-LSTM method is much better
at finding smart grid intrusions than other deep learning algorithms used for classification. In addition,
our proposed approach improves accuracy, precision, recall, and F1 score, achieving a high detection
accuracy rate of 99.50%.

Generative AI Use cases applications solutions and implementation.pdf

Generative AI solutions encompass a range of capabilities from content creation to complex problem-solving across industries. Implementing generative AI involves identifying specific business needs, developing tailored AI models using techniques like GANs and VAEs, and integrating these models into existing workflows. Data quality and continuous model refinement are crucial for effective implementation. Businesses must also consider ethical implications and ensure transparency in AI decision-making. Generative AI's implementation aims to enhance efficiency, creativity, and innovation by leveraging autonomous generation and sophisticated learning algorithms to meet diverse business challenges.
https://www.leewayhertz.com/generative-ai-use-cases-and-applications/

AI for Legal Research with applications, tools

AI applications in legal research include rapid document analysis, case law review, and statute interpretation. AI-powered tools can sift through vast legal databases to find relevant precedents and citations, enhancing research accuracy and speed. They assist in legal writing by drafting and proofreading documents. Predictive analytics help foresee case outcomes based on historical data, aiding in strategic decision-making. AI also automates routine tasks like contract review and due diligence, freeing up lawyers to focus on complex legal issues. These applications make legal research more efficient, cost-effective, and accessible.

4. Mosca vol I -Fisica-Tipler-5ta-Edicion-Vol-1.pdf

4. Mosca vol I -Fisica-Tipler-5ta-Edicion-Vol-1.pdf

Engineering Standards Wiring methods.pdf

Engineering Standards Wiring methods.pdf

LLM Fine Tuning with QLoRA Cassandra Lunch 4, presented by Anant

LLM Fine Tuning with QLoRA Cassandra Lunch 4, presented by Anant

Advanced control scheme of doubly fed induction generator for wind turbine us...

Advanced control scheme of doubly fed induction generator for wind turbine us...

一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理

一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理

Null Bangalore | Pentesters Approach to AWS IAM

Null Bangalore | Pentesters Approach to AWS IAM

CEC 352 - SATELLITE COMMUNICATION UNIT 1

CEC 352 - SATELLITE COMMUNICATION UNIT 1

Electric vehicle and photovoltaic advanced roles in enhancing the financial p...

Electric vehicle and photovoltaic advanced roles in enhancing the financial p...

Digital Twins Computer Networking Paper Presentation.pptx

Digital Twins Computer Networking Paper Presentation.pptx

Object Oriented Analysis and Design - OOAD

Object Oriented Analysis and Design - OOAD

IEEE Aerospace and Electronic Systems Society as a Graduate Student Member

IEEE Aerospace and Electronic Systems Society as a Graduate Student Member

原版制作(Humboldt毕业证书)柏林大学毕业证学位证一模一样

原版制作(Humboldt毕业证书)柏林大学毕业证学位证一模一样

Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024

Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024

学校原版美国波士顿大学毕业证学历学位证书原版一模一样

学校原版美国波士顿大学毕业证学历学位证书原版一模一样

Software Engineering and Project Management - Introduction, Modeling Concepts...

Software Engineering and Project Management - Introduction, Modeling Concepts...

Properties Railway Sleepers and Test.pptx

Properties Railway Sleepers and Test.pptx

CompEx~Manual~1210 (2).pdf COMPEX GAS AND VAPOURS

CompEx~Manual~1210 (2).pdf COMPEX GAS AND VAPOURS

DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODEL

DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODEL

Generative AI Use cases applications solutions and implementation.pdf

Generative AI Use cases applications solutions and implementation.pdf

AI for Legal Research with applications, tools

AI for Legal Research with applications, tools

- 1. Prepared by Dr.A.Vinoth Jebaraj
- 2. Solid Mechanics Mechanics of Rigid Bodies Mechanics of Deformable Bodies Studying the external effects of forces on machine components and structures Studying the internal effects of forces on machine components and structures
- 3. Types of Loading Tensile loading Compressive loading Shear loading (In plane stress) Bending load (out of plane stress) Torsional shear Transverse shear Normal loading : Tensile, compressive (out of plane) Shear loading: tangential loading or parallel loading (in plane loading) Axial or normal load
- 4. Direct shear Torsional shear Bending stresses ( out of plane stresses)
- 5. Direct Shear Torsion An effect that produces shifting of horizontal planes of a material The twisting and distortion of a material’s fibers in response to an applied load Torsional shear
- 6. Direct Shear Stress - Examples Single shear Double shear = = = = ( )
- 7. Uniaxial loading Biaxial loading Triaxial loading Different types of Loadings
- 8. Types of strain (plane strain , volumetric strain) Longitudinal (or) linear strain Transverse (or) lateral strain Types of stresses ( plane stress, volumetric stress) Normal stresses Shear stresses (or) tangential (or) parallel stresses [τ] Internal resistance
- 9. Within the elastic limit, lateral strain is directly proportional to longitudinal strain. This constant is known as Poisson’s ratio which is denoted by μ (or) 1/m. Note: Linear strain = - μ × Lateral strain
- 10. Elastic Region Yielding Plastic Region Fracture Behavior of material during loading Different Stages in Loading
- 11. Ductile materials Brittle materials Stress Strain Curve
- 12. Hooke’s Law In 1678, Robert Hooke’s found that for many structural materials, within certain limits, elongation of a bar is directly proportional to the tensile force acting on it. (Experimental finding) Statement : Within the elastic limit, stress is directly proportional to strain. Where E = Young’s Modulus or Modulus of Elasticity (MPa) Its for tensile, compressive and shear stresses
- 13. Modulus of Rigidity [or] Shear Modulus Statement : Within the elastic limit, shear stress is directly proportional to shear strain. Where G = Shear Modulus or Modulus of Rigidity (MPa)
- 14. Bulk Modulus When a body is subjected to three mutually perpendicular stresses, of equal intensity, then the ratio of the direct stress to the corresponding volumetric strain is known as bulk modulus. Total stress [σ] = σ x + σy + σ z Total strain [ε] = ε x + εy + ε z σ xσ x σ y σ y σ z σ z
- 15. Analysis of Stresses in varying cross section bar
- 16. Stress in an Inclined Plane The plane perpendicular to the line of action of the load is a principal plane. [Because, It is having the maximum stress value and shear stress in this plane is zero.] The plane which is at an angle of 90° will have no normal and tangential stress.
- 17. Max. shear stress = ½ Normal stress
- 18. Note to Remember: When a component is subjected to a tensile loading, then both tensile and shear stresses will be induced. Similarly, when it is subjected to a compressive loading, then both compressive and shear stresses induced. At one particular plane the normal stress (either tensile or compressive) will be maximum and the shear stress in that plane will be zero. That plane is known as principal plane. That particular magnitude of normal stress is known as principal stress. The magnitude of maximum principal stress will be higher when compare with the loads acting.
- 19. Elastic Constants ( E, G, K and μ) Where E = Young’s Modulus K = Bulk Modulus G [or] C = Shear Modulus μ = Poisson’s Ratio
- 20. Principal Stresses When a combination of axial, bending and shear loading acts in a machine member , then identifying the plane of maximum normal stress is difficult . Such a plane is known as principal plane and the stresses induced in a principal plane is known as principal stresses. Principal stress is an equivalent of all stresses acting in a member. Combined loading
- 21. Max principal normal stresses Max principal shear stresses Biaxial and shear loading
- 23. Thermal Stresses When a body is subjected to heating or cooling, it will try to expand or contract. If this expansion or contraction is restricted by some external FORCES, then thermal stresses will be induced.
- 25. Strength ability to resist external forces Stiffness ability to resist deformation under stress Elasticity property to regain its original shape Plasticity property which retains the deformation produced under load after removing load Ductility property of a material to be drawn into wire form with using tensile force Brittleness property of breaking a material without any deformation Mechanical properties of materials
- 26. Malleability property of a material to be rolled or hammered into thin sheets Toughness property to resist fracture under impact load Machinability property of a material to be cut Resilience property of a material to absorb energy Creep material undergoes slow and permanent deformation when subjected to constant stress with high temperature Fatigue failure of material due to cyclic loading Hardness resistant to indentation, scratch Mechanical Properties of Materials Contd. . .
- 27. Bending Moment “Bending moment = Force × Perpendicular distance between the line of the action of the force and the point about which the moment produced”
- 28. “Vertical force in a section which is in transverse direction perpendicular to the axis of a beam is known as transverse shear force” Cantilever Beam Transverse Shear Force Applied Load Reaction Force
- 29. Shear Force (S.F) Applied force Reaction force Shear force
- 30. For drawing shear force diagram, consider left or right portion of the section in a beam. Add the forces (including reaction) normal to the beam on one of the portion. If the right portion is chosen, a force on the right portion acting downwards is positive while a force acting upwards is negative and vice versa for left portion. Positive value of shear force are plotted above the base line. S.F. Diagram will increase or decrease suddenly by a vertical straight line at a section where there is point vertical load. Shear force between two vertical loads will be constant. Points to remember
- 31. “The resultant force acting on any one portion (left or right) normal to the axis of the beam is called shear force at the section X-X. This shear force is known as transverse shear force”
- 32. Simply Supported Beam carrying 1000 N at its midpoint. The reactions at the supports will be equal to RA = RB = 500 N
- 39. Pure Bending
- 40. Assumptions in the Evaluation of Bending stress
- 42. R = Radius of shaft, L = Length of the shaft T = Torque applied at the free end C = Modulus of Rigidity of a shaft material τ = torsional shear stress induced at the cross section Ø = shear strain, θ = Angle of twist Torsional Equation
- 44. Design for Bending Design for Bending & Twisting When a shaft is subjected to pure rotation, then it has to be designed for bending stress which is induced due to bending moment caused by self weight of the shaft. Example: Rotating shaft between two bearings. When a gear or pulley is mounted on a shaft by means of a key, then it has to be designed for bending stress (induced due to bending moment) and also torsional shear stress which is caused due to torque induced by the resistance offered by the key . Example: gearbox shaft (splines)
- 46. Shear stress distribution in solid & hollow shafts
- 47. Hoop stress (or) Circumferential stress Circumferential or hoop Stress (σ H) = (p .d)/ 2t
- 48. Longitudinal stress = (σ L) = (p .d)/ 4t
- 49. Euler’s Formula for Buckling
- 50. Both ends pinned Both ends fixed One end fixed, other free One end fixed and other pinned