Lob management
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1. Draw the line of balance chart for the 65 unit construction project with activities R, W, X, Y, Z. 2. At the 46th week, activities R, Y and X have finished. Activity W will finish at the 49th unit. Activity Z is not yet finished. 3. If activity Z finishes at the 60th week in 39 units, recalculate the rate of Z. The new rate of 6.5 units/week is less than the old rate of 4 units/week, so the recommendation would be to expedite activity Z.
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This document contains a student's answers to questions regarding helicopter performance, stability, and control. The student analyzed flapping blade angle, angle of attack, coning angle, and disc tilt angles for a helicopter blade over one revolution. Equations were derived for blade angular velocities, the flapping equation when the helicopter has body rates, and aerodynamic moment about the flapping hinge. Diagrams of flapping blade angle and angle of attack variation over azimuth angle were included.
Engineering Analysis -Third Class.ppsx
This document discusses the Laplace transform, which is used to analyze linear systems. It provides examples of common Laplace transforms, such as the unit step function, exponential functions, and trigonometric functions. Properties of the Laplace transform are also covered, including: multiplication by a constant, linearity, multiplication by an exponential, and multiplication by time (frequency derivative). The document aims to introduce engineering students to the Laplace transform and its applications in differential equations.
Btech_II_ engineering mathematics_unit5
This document provides an overview of vector integration, including line integrals, surface integrals, and volume integrals. It defines each type of integral and provides examples of evaluating them. For line integrals, it discusses work, circulation, and path independence. Surface integrals are defined as the integral of the normal component of a vector field over an enclosed surface. Volume integrals integrate a vector field over a three-dimensional volume. Worked examples demonstrate evaluating specific line, surface, and volume integrals.
lec38.ppt
1) Jordan's lemma is used to convert real integrals over the infinite real axis into complex integrals over a contour enclosing the real axis in the complex plane.
2) Several examples are provided of using residues and Jordan's lemma to evaluate definite integrals over the real line or infinite intervals that involve functions with poles, including integrals of x^2, sin(x)/x, 1/(x^2+a^2)^2, and sin(x)/(x(x^2+a^2)).
3) The technique involves closing the contour with a semicircle at infinity where the integral over the semicircle goes to zero by Jordan's lemma, leaving the original integral equal to the residue theorem applied to the
B.tech ii unit-5 material vector integration
This document discusses various vector integration topics:
1. It defines line, surface, and volume integrals and provides examples of evaluating each. Line integrals deal with vector fields along paths, surface integrals deal with vector fields over surfaces, and volume integrals deal with vector fields throughout a volume.
2. Green's theorem, Stokes' theorem, and Gauss's theorem are introduced as relationships between these types of integrals but their proofs are not shown.
3. Examples are provided to demonstrate evaluating line integrals of conservative and non-conservative vector fields, as well as a surface integral over a spherical surface.
Phase Retrieval: Motivation and Techniques
This presentation describes two techniques namely Transport of Intensity Equation(TIE) technique and Phase Diversity technique for retrieving phase information from light.
Manual solucoes ex_extras
The document provides solutions to problems from a discrete-time signal processing textbook. It includes:
1) Solutions to convolution problems graphically representing signals and their convolution.
2) Derivations of impulse responses from difference equations and system functions using the z-transform.
3) Analyses of signals as eigenfunctions of linear time-invariant systems.
Manual solucoes ex_extras
The document provides solutions to problems from a discrete-time signal processing textbook. It includes:
1) Solutions to convolution problems graphically representing signals and their convolution.
2) Derivations of impulse responses from system functions using the z-transform.
3) Analyses of signals as eigenfunctions and determining if systems are linear and time-invariant.
4) Solutions involving filtering, modulation, and determining system properties from inputs and outputs.
Manual solucoes ex_extras
The document provides solutions to problems from a discrete-time signal processing textbook. It includes:
1) Solutions to convolution problems graphically representing signals and their convolution.
2) Derivations of impulse responses from system functions using the z-transform.
3) Analyses of signals as eigenfunctions and determining if systems are linear and time-invariant.
4) Solutions involving filtering, modulation, and determining system properties from input-output relations.
Formulario 1
This document discusses power diodes and rectifiers. It provides equations for the current-voltage relationship of a diode, as well as characteristics of reverse recovery such as recovery time and reverse recovery current. It also summarizes half-wave and full-wave rectifiers, deriving equations for output voltage, current, power, and efficiency. Key points covered include the voltage and current equations for half-wave rectifiers with resistive or resistive-inductive loads, as well as equations for output voltage, current, and power in full-wave and three-phase rectifiers.
Introduction to Neural Networks and Deep Learning from Scratch
If you're willing to understand how neural networks work behind the scene and debug the back-propagation algorithm step by step by yourself, this presentation should be a good starting point.
We'll cover elements on:
- the popularity of neural networks and their applications
- the artificial neuron and the analogy with the biological one
- the perceptron
- the architecture of multi-layer perceptrons
- loss functions
- activation functions
- the gradient descent algorithm
At the end, there will be an implementation FROM SCRATCH of a fully functioning neural net.
code: https://github.com/ahmedbesbes/Neural-Network-from-scratch
Mod 3.pptx
Laplace transform can be used to solve differential equations. Taking the Laplace transform of both sides of a differential equation converts it into an algebraic equation that can be solved for the Laplace transform of the original function. The inverse Laplace transform of the solution gives the time domain solution to the original differential equation. Common differential equations like first and second order constant coefficient equations and equations with unit step or delta functions can be solved using properties of the Laplace transform.
Radial distribution function and most probable distance of 1s and 2s electron
The document discusses the radial and angular parts of the hydrogenic wave functions. It shows how the Schrodinger equation can be written using both Cartesian and polar coordinates. The radial component R(r) of the wave function gives the distribution of electrons as a function of radius r from the nucleus. R(r) depends on the principal quantum number n and azimuthal quantum number l. Graphs and equations are provided to show the radial wave functions and most probable distances for 1s and 2s orbitals.
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Graduation book - BFRP
The document describes an experimental study on shear-flexural behavior of reinforced concrete beams strengthened with near surface mounted basalt fiber reinforced polymer bars. Five simply supported beams were tested including one control beam and four beams strengthened with different configurations of fully and partially bonded NSM BFRP bars with and without U-stirrups. The objectives were to study the flexural behavior and investigate the effects of FRP area, bonding conditions, and inclusion of U-stirrups. Material properties of concrete, steel, and BFRP were reported. Details of beam fabrication and strengthening techniques were provided.
Resource management
1. Resource leveling involves analyzing resource usage and adjusting non-critical activities to reduce overallocation of resources.
2. The document describes calculating an Improvement Factor (IF) for non-critical activities to determine which activities can be moved to reduce resource usage.
3. The example applies the IF calculation to various activities in a project network to level resources, moving Activity G first to reduce the resource usage in period 5 from 9 to 5.
Pert2 management
This document describes Program Evaluation and Review Technique (PERT) and its use in planning and scheduling a project. It provides activity details like predecessor tasks, optimistic, most probable and pessimistic durations. It then shows the steps to 1) draw the activity on arrow (AOA) network, 2) calculate the total project time using PERT, 3) determine the probability the project finishes within 50 and 44 weeks, and 4) find the project completion time with 80% probability.
Pert management
This document provides information to draw a Program Evaluation and Review Technique (PERT) network and analyze a project. It includes activity information like optimistic, most likely, and pessimistic durations to calculate the expected duration, variance, and probability of completing within given timeframes, like having a 90% chance of finishing within the total time. It asks to: 1) Draw the PERT network, 2) Calculate the total project time, 3) Find the probability of completing within 25 and 20 weeks, and 4) Find the total time with a 90% probability.
Lec 2 construction management
This document provides information to draw an Activity-On-Node (AON) network and Gantt chart for a construction project. It lists 9 activities with their successors, durations, and constraints. The tasks are to: 1) Draw the AON and AOA networks, 2) Determine the critical path and total time, 3) Calculate the early start, early finish, late start, late finish, total float, and free float for each activity, and 4) Draw a Gantt chart showing only non-critical activities.
Earned value management
This document discusses earned value analysis, a project management technique for measuring project performance and progress. It defines key terms like actual cost of work performed, budgeted cost of work performed, and budgeted cost of work scheduled. It also explains how to calculate variances to determine if a project is under or over budget and ahead of or behind schedule. The example shows earned value calculations for a construction project and determines it is behind schedule and over budget based on costs and work completed after 15 months out of a planned 20 month duration.
Crash management
The project has 8 activities with normal and crash durations and costs provided. The contract time is 20 days with a penalty of 300 LE/day for delays.
To meet the contract time, activities XE, YC, and ZA need to be crashed. Crashed costs are 1140 LE, 1470 LE, and 770 LE to finish in 23, 22, and 21 days respectively. The optimal plan is to crash for 1140 LE to finish in 20 days as required.
After a site update on day 5, the project is expected to finish in 22 days. Activities Y and Z are already complete. Crashing activity D for 1000 LE and activity B for 700 LE, for a
Cm ch4 scheduling
1) The document discusses project scheduling and the critical path method (CPM) for determining the minimum time needed to complete a project.
2) CPM involves calculating early and late start/finish times for activities through forward and backward passes through the network. It also identifies critical activities with zero float that must finish on schedule.
3) The example project network is analyzed using CPM. Forward processing determines early start times, while backward processing finds late finish times. Floats are then calculated to identify which activities have no scheduling flexibility.
Cash flow
The document presents a cash flow analysis for a construction project with 10 activities over 10 periods. It includes tables showing activity costs by day, total costs by period, cash outflows by period from costs, and cash inflows by period from payments. It then calculates payments for each period based on costs, retention rate, profit margin, and down payment. Graphs of cumulative cash outflows and inflows are presented, showing the maximum negative cash flow and indicating a final profit of 4410 LE.
1- construction management
The document discusses the need for construction project management due to the unique challenges of construction projects including their one-of-a-kind nature, involvement of many conflicting parties, and constraints of time, money, and quality. It states that optimal utilization of project resources is the goal of project management. It then provides definitions and characteristics of a project, describes the project life cycle and links between process groups in a phase. Finally, it discusses topics in project management including scope, time, quality, cost, time management, work breakdown structure, project activities, project networks, and activity relationships.
01 introduction and layout of steel (1)
The document discusses the benefits of exercise for both physical and mental health. Regular exercise can help reduce the risk of diseases like heart disease and diabetes, and it can also improve mood and reduce stress and anxiety levels. Exercising for at least 30 minutes per day several times a week is recommended to gain these health benefits.
الامن الصناعي
- The document discusses a company's quarterly financial results.
- Revenue increased significantly year-over-year due to strong performance across business segments.
- Expenses also rose but profit margins improved due to cost-cutting initiatives and higher sales.
- The company expects continued revenue growth and further margin expansion in the coming quarters.
programming fortran 77 Slide02
This document provides an overview of Fortran 77 programming concepts including input/output statements, format specifiers, and the OPEN statement. Key points covered include:
- READ and WRITE statements are used for formatted and list-directed input/output. FORMAT defines the format for READ/WRITE.
- Common format specifiers include I, F, E for integers, reals, and scientific notation. A is for characters.
- The OPEN statement makes a file available for input/output using READ and WRITE and assigns a unit number for file access.
programming fortran 77 Slide01
This document discusses various aspects of Fortran 77 programming including:
1. Variable names consist of letters and digits but are not case sensitive. Common declarations include integer and real variables.
2. Fortran 77 uses a fixed format with strict column rules for statements and labels. Comments can start in column 1.
3. A basic Fortran program structure includes the main program name, declarations, statements, and stop/end lines. Subprograms can also be included.
7 fatigue
1) Fatigue is failure under repeated loading due to gradual cracking. The S-N curve relates stress levels to the number of cycles to failure. Factors like mean stress, stress amplitude, stress concentration, and surface finish affect fatigue properties.
2) Miner's cumulative damage theory assumes damage from different stress levels is independent and sums fractions of life used to predict failure. It is commonly used to analyze complex variable loading.
3) Goodman, Soderberg and Gerber rules use the S-N curve and material properties to predict if a part under cyclic loading with a given mean stress and stress amplitude will fail by fatigue. They allow determination of maximum and minimum stresses.
5 hardness
This document discusses different hardness tests including Brinell, Vicker, and Rockwell tests. It defines hardness as the ability of a material's surface to resist deformation under an external load. The document describes the process and key parameters for each test such as the indenter type and geometry, typical loads used, how the hardness number is calculated based on measurements from the indentation, limitations and precautions of each test method. It provides examples of calculations to determine hardness values, indentation sizes, and tensile strength from Brinell and Vicker test data.
4 static shear
The document provides information about static shear testing, including direct shear testing, torsion testing, and calculations related to shear stress, shear strain, shear modulus, and other properties. It includes examples of calculations for shear stress, shear modulus, angle of twist, and other values using data from torsion tests on steel specimens of various dimensions under increasing torque loads. Diagrams are presented showing typical shear stress distributions and failure shapes for ductile and brittle materials in torsion testing.
3 bending test
1. The beam is a cantilever 1.2 m long made of steel tube with an external diameter of 6 cm and internal diameter of 5 cm.
2. A concentrated load W is applied at the free end of the cantilever beam.
3. The maximum bending stress in the beam is not to exceed 1. The value of the load W that satisfies this condition is required.
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Healthy economic development requires properly managing the banking industry of any
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一比一原版(QU毕业证)皇后大学毕业证如何办理
QU本科学位证成绩单【微信95270640】《皇后大学毕业证书原版制作QU成绩单》【Q微信95270640】《仿制QU毕业证成绩单皇后大学学位证书pdf电子图》，A.为什么留学生需要操作留信认证?
留信认证全称全国留学生信息服务网认证,隶属于北京中科院。①留信认证门槛条件更低,费用更美丽,并且包过,完单周期短,效率高②留信认证虽然不能去国企,但是一般的公司都没有问题,因为国内很多公司连基本的留学生学历认证都不了解。这对于留学生来说,这就比自己光拿一个证书更有说服力,因为留学学历可以在留信网站上进行查询!
B.为什么我们提供的毕业证成绩单具有使用价值？
查询留服认证是国内鉴别留学生海外学历的唯一途径，但认证只是个体行为，不是所有留学生都操作，所以没有办理认证的留学生的学历在国内也是查询不到的，他们也仅仅只有一张文凭。所以这时候我们提供的和学校颁发的一模一样的毕业证成绩单，就有了使用价值。
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A.为什么留学生需要操作留信认证?
留信认证全称全国留学生信息服务网认证,隶属于北京中科院。①留信认证门槛条件更低,费用更美丽,并且包过,完单周期短,效率高②留信认证虽然不能去国企,但是一般的公司都没有问题,因为国内很多公司连基本的留学生学历认证都不了解。这对于留学生来说,这就比自己光拿一个证书更有说服力,因为留学学历可以在留信网站上进行查询!
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Lob management
- 2. Q1: Activity Predecessor Duration Rate Z W,X,Y 10 4 W R 14 2 R - 8 4 X R 20 8 Y R 12 4 For the 65 units Construction Project using the one unit net work it is required to: 1) Draw LOB Chart. 2) Check project situation at 46th week. 3) What’s your recommendation if at 60th week activity Z finished in 39 unit ?
- 3. R 0 8 8 X 8 28 20 W 8 22 14 Y 8 20 12 Z 28 38 10 A.O.N For the first unit at (N=1)
- 4. 𝒕 𝒐 𝒕 𝒇 Rate= slope = 𝑵−𝟏 𝒕 𝒇− 𝒕 𝒐 N – 1 = R (𝒕 𝒇 − 𝒕 𝒐 ) 𝑵 – 𝟏 𝑹 = 𝒕 𝒇 − 𝒕 𝒐 𝑵 – 𝟏 𝑹 = 𝒕 𝒇 − 𝒕 𝒐 𝒕 𝒇 = 𝒕 𝒐 + 𝑵 – 𝟏 𝑹 𝒕 𝑶 = 𝒕 𝒇 - 𝑵 – 𝟏 𝑹 𝟏 𝑵 𝒕𝒊𝒎𝒆 𝒕𝒊𝒎𝒆 𝑨𝒄𝒕𝒊𝒗𝒊𝒕𝒚
- 5. For Activity (R) : 𝒕 𝟎 = 𝟖 𝒕 𝒇 = 𝒕 𝒐 + 𝑵 – 𝟏 𝑹 𝒕 𝒇 = 𝟖 + 𝟔𝟓 – 𝟏 𝟒 = 24 Unit Time Time 24 8 R N= 65 N= 1
- 6. For Activity (w) : R(w) < 𝑹(R) 2 4 𝒕 𝟎(𝒘) = 𝒕 𝒐 (𝑹) + 𝑫(𝑾) 𝒕 𝒐 = 𝟖 + 14 = 22 𝒕 𝒇 = 𝒕 𝒐 + 𝑵 – 𝟏 𝑹 𝒕 𝒇 = 𝟐𝟐 + 𝟔𝟓 – 𝟏 𝟐 = 54
- 8. For Activity (x) : R(x) > 𝑹(R) 8 4 𝒕 𝒇(𝒙) = 𝒕 𝒇 (𝑹) + 𝑫 𝑿 𝒕 𝒇 = 𝟐𝟒 + 20 = 44 𝒕 𝒐 = 𝒕 𝒇 - 𝑵 – 𝟏 𝑹 𝒕 𝒐 = 𝟒𝟒 - 𝟔𝟓 – 𝟏 𝟖 = 36
- 10. For Activity (Y) : R(Y) = 𝑹(R) 4 4 𝒕 𝒇(𝒀) = 𝒕 𝒇 (𝑹) + 𝑫 𝒀 𝒕 𝒇 = 𝟐𝟒 + 12 = 36 𝒕 𝒐 = 𝒕 𝒇 - 𝑵 – 𝟏 𝑹 𝒕 𝒐 = 𝟑𝟔 - 𝟔𝟓 – 𝟏 𝟒 = 20
- 12. 1) Act. (Z) with Act. (X) R(Z) < 𝑹(𝑿) 4 8 𝒕 𝟎(𝒛) = 𝒕 𝒐 (𝒙) + 𝑫 𝒁 𝒕 𝒐 = 𝟑𝟔 + 10 = 46 𝒕 𝒇 = 𝒕 𝒐 + 𝑵 – 𝟏 𝑹 𝒕 𝒇 = 𝟒𝟔 + 𝟔𝟓 – 𝟏 𝟒 = 62 2) Act. (Z) with Act. (w) R(Z) > 𝑹(𝑾) 4 2 𝒕 𝒇(𝒁) = 𝒕 𝒇 (𝑾) + 𝑫 𝒁 𝒕 𝒇 = 𝟓𝟒 + 10 = 64 𝒕 𝒐 = 𝒕 𝒇 - 𝑵 – 𝟏 𝑹 𝒕 𝒐 = 𝟔𝟒 - 𝟔𝟓 – 𝟏 𝟒 = 48 For Activity (Z):
- 15. w 46 46 N = ??? Time Time 22 54 R = 𝑵−𝟏 𝒕 𝒇− 𝒕 𝒐 2 = 𝑵−𝟏 𝟒𝟔−𝟐𝟐 N =49
- 16. 2) The project situation at 46th week. Activities R, Y AND X has been finished Activity W finished in 49 unit Activity Z not finished yet in any unit
- 18. Unit Time Time 48 Z 60 60 64 N = 49 N = 39 𝑹 𝒏𝒆𝒘= 𝟔𝟓 −𝟑𝟗 𝟔𝟒 − 𝟔𝟎 =6.5 𝑹 𝒐𝒍𝒅 𝒕 𝒇𝒏𝒆𝒘 𝑹 𝒐𝒍𝒅= 𝟑𝟗−𝟏 𝟔𝟎−𝟒𝟖 = 3.1666 < 4