Se presentan problemas resueltos donde se calculan desplazamientos de estructuras estáticamente determinadas aplicando el método de la estructura conugada
Se presenta la solción de problemas de elementos sometidos a esfuerzos combinados, esfuerzos normales por carga axial y flexión y esfuerzos normales combinados con esfuerzos cortantes. Se determinan esfuerzos principales y esfuerzo cortante máximo
Se aplica el método de doble integración usando funciones de singularidad y el método de superposición para realizar el análsiis de deformaciones en vigas. Se resuelven vigas estáticaticamente por medio de estos métodos
Se presenta la solución de varios problemas sobre el análisis de esfuerzos en vigas, normales por flexión y cortante, aplicando los conceptos básicos de la mecánica de materiales
A Simplified Approach to Calculating Truss ForcesJames Nadir
A simplified approach to calculating truss forces. This presentation is built upon a wonderful presentation which comes from Fazirah Abdul Ghafar. This presentation uses Power Point Animations and is best viewed using Power Point Slide Show to present.
Se presentan problemas resueltos donde se calculan desplazamientos de estructuras estáticamente determinadas aplicando el método de la estructura conugada
Se presenta la solción de problemas de elementos sometidos a esfuerzos combinados, esfuerzos normales por carga axial y flexión y esfuerzos normales combinados con esfuerzos cortantes. Se determinan esfuerzos principales y esfuerzo cortante máximo
Se aplica el método de doble integración usando funciones de singularidad y el método de superposición para realizar el análsiis de deformaciones en vigas. Se resuelven vigas estáticaticamente por medio de estos métodos
Se presenta la solución de varios problemas sobre el análisis de esfuerzos en vigas, normales por flexión y cortante, aplicando los conceptos básicos de la mecánica de materiales
A Simplified Approach to Calculating Truss ForcesJames Nadir
A simplified approach to calculating truss forces. This presentation is built upon a wonderful presentation which comes from Fazirah Abdul Ghafar. This presentation uses Power Point Animations and is best viewed using Power Point Slide Show to present.
it contains the basic information about the shear force diagram which is the part of the Mechanics of solid. there many numerical solved and whivh will give you detaild idea in S.f.d.
En este post haremos un completo ejercicio de vigas, reacciones, esfuerzos y perfiles HEB. El ejercicio que os adjunto un PDF os permitirá entenderlo mejor
Este ejercicio consiste en la resolución de una estructura articulada o truss en inglés, utilizando las ecuaciones del equilibrio y el método de los nodos
it contains the basic information about the shear force diagram which is the part of the Mechanics of solid. there many numerical solved and whivh will give you detaild idea in S.f.d.
En este post haremos un completo ejercicio de vigas, reacciones, esfuerzos y perfiles HEB. El ejercicio que os adjunto un PDF os permitirá entenderlo mejor
Este ejercicio consiste en la resolución de una estructura articulada o truss en inglés, utilizando las ecuaciones del equilibrio y el método de los nodos
Lecture slides on the calculation of the bending stress in case of unsymmetrical bending. The Mohr's circle is used to determine the principal second moments of area.
Explicación sencilla de cómo descomponer fuerzas en componentes rectangulares y cómo obtener la fuerza resultante de varias fuerzas que actúan sobre una partícula
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
NUMERICAL SIMULATIONS OF HEAT AND MASS TRANSFER IN CONDENSING HEAT EXCHANGERS...ssuser7dcef0
Power plants release a large amount of water vapor into the
atmosphere through the stack. The flue gas can be a potential
source for obtaining much needed cooling water for a power
plant. If a power plant could recover and reuse a portion of this
moisture, it could reduce its total cooling water intake
requirement. One of the most practical way to recover water
from flue gas is to use a condensing heat exchanger. The power
plant could also recover latent heat due to condensation as well
as sensible heat due to lowering the flue gas exit temperature.
Additionally, harmful acids released from the stack can be
reduced in a condensing heat exchanger by acid condensation. reduced in a condensing heat exchanger by acid condensation.
Condensation of vapors in flue gas is a complicated
phenomenon since heat and mass transfer of water vapor and
various acids simultaneously occur in the presence of noncondensable
gases such as nitrogen and oxygen. Design of a
condenser depends on the knowledge and understanding of the
heat and mass transfer processes. A computer program for
numerical simulations of water (H2O) and sulfuric acid (H2SO4)
condensation in a flue gas condensing heat exchanger was
developed using MATLAB. Governing equations based on
mass and energy balances for the system were derived to
predict variables such as flue gas exit temperature, cooling
water outlet temperature, mole fraction and condensation rates
of water and sulfuric acid vapors. The equations were solved
using an iterative solution technique with calculations of heat
and mass transfer coefficients and physical properties.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
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Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
6th International Conference on Machine Learning & Applications (CMLA 2024)ClaraZara1
6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
1. PROBLEMA Nº 1
• Aplicando el método del trabajo virtual determine VA y A,
considerando sólo el efecto de la flexión.
Por: Ing. José Rafael Grimán Morales
2. PROBLEMA Nº 1
• 1ro. Se analiza la estabilidad y
determinación de la estructura.
• Descripción de la estructura: Es una
estructura plana conformada dos elementos
unidos en B por medio de una junta rígida.
Esto hace que se comporte como un solo
cuerpo que requiere sólo de tres reacciones,
no concurrentes y no paralelas para que sea
estable y estáticamente determinada.
• El apoyo en D es un empotramiento que
proporciona tres reacciones: r = 3. El número
de ecuaciones de equilibrio en el plano es e =
3 y no existe inestabilidad geométrica
externa, como r = e = 3 se concluye que la
estructura es estable y estáticamente
determinada.
Por: Ing. José Rafael Grimán Morales
3. PROBLEMA Nº 1
• 2do. Se determinan las reacciones en
la estructura real.
• Se reconocen los tipos de apoyos. Se
dibuja el diagrama de cuerpo libre. Se
sustituyen los apoyos por la reacción
correspondiente.
• 𝑀𝐷 = 0; 3 ∙ 4 − 2 − 𝑀𝐷 = 0
• 𝑀𝐷 = 10 𝑡 ∙ 𝑚
• 𝐹𝑥 = 0; 𝐷𝑥 = 0
• 𝐹𝑦 = 0; 𝐷𝑦 − 4 = 0
• 𝐷𝑦 = 4 𝑡
Por: Ing. José Rafael Grimán Morales
4. PROBLEMA Nº 1
• 3ro. Se determinan las ecuaciones de
momento flector para la estructura real, en
términos de una variable s, para cada
segmento de la estructura.
• Tramo DC, 0 s1 2
• M1 + 10 – (s1)*4 = 0; M1 = 4*s1 – 10 (1)
• Tramo CB, 0 s2 2
• M2 + 2 + 10 – (s2 + 2)*4 = 0;
• M2 = 4*s2 – 4 (2)
Por: Ing. José Rafael Grimán Morales
5. PROBLEMA Nº 1
• Tramo AB, 0 s3 2,5 m
• M3 + (x3 / 2)*2*x3 ; M3 = −𝑥3
2
(3)
• Pero x3 = 𝑠3 ∙
4
5
, Dado que 4/5 es el coseno
del ángulo entre la carga distribuida y el
segmento de viga inclinada. Sustituyendo en
(3).
• M3 = −
16
25
∙ 𝑠3
2
(4)
Por: Ing. José Rafael Grimán Morales
6. PROBLEMA Nº 1
• 4to. Se determinan las reacciones en sistema
virtual y se determinan las ecuaciones de
momento flector para cada segmento.
• Se reconocen los tipos de apoyos. Se dibuja el
diagrama de cuerpo libre. Se sustituyen los
apoyos por la reacción correspondiente.
• 𝑚𝐷 = 0; 2 ∙ 1 − 𝑚𝐷 = 0
• 𝑚𝐷 = 2 𝑡 ∙ 𝑚
• 𝐹𝑥 = 0; 𝐷𝑥 = 0
• 𝐹𝑦 = 0; 𝑑𝑦 − 1 = 0
• 𝑑𝑦 = 1 𝑡
Por: Ing. José Rafael Grimán Morales
7. PROBLEMA Nº 1
• Se determinan las ecuaciones de momento
flector para la estructura virtual, en
términos de una variable s, para cada
segmento de la estructura.
• Tramo DC, 0 s1 2
• m1 + 2 – (s1)*1 = 0; M1 = s1 – 2 (5)
• Tramo CB, 0 s2 2
• m2 + 2 – (s2 + 2)*1 = 0;
• m2 = s2 (6)
• Tramo AB, 0 s3 2,5 m
• m3 + (x3 )*1 ; m3 = −𝑥3 (7)
• Pero x3 = 𝑠3 ∙
4
5
,
• m3 = −
4
5
𝑠3 (8)
Por: Ing. José Rafael Grimán Morales
8. PROBLEMA Nº 1
• 5to. Aplicamos la fórmula de cálculo de desplazamientos
por efectos de la flexión a cada segmento y se hace la
suma algebraica de los términos obtenidos.
• 1 ∙ ∆𝑉𝐴 = 0
𝐿
𝑚
𝑀 𝑑𝑠
𝐸𝐼
• 1 ∙ ∆𝑉𝐴 = 0
2
𝑠 − 2
4𝑠−10 𝑑𝑠
𝐸𝐼
+ 0
2
𝑠
4𝑠−4 𝑑𝑠
𝐸𝐼
+
0
2,5
−
4
5
𝑠
−
16
25
𝑠2 𝑑𝑠
𝐸𝐼
• ∆𝑉𝐴 = 0
2 4𝑠2
−18 𝑠+20 𝑑𝑠
𝐸𝐼
+ 0
2 4 𝑠2
−4𝑠 𝑑𝑠
𝐸𝐼
+ 0
2,5
64
125
𝑠3
𝑑𝑠
𝐸𝐼
Por: Ing. José Rafael Grimán Morales
9. PROBLEMA Nº 1
• Cálculo de la rotación en A, A
• Se determinan las reacciones en sistema
virtual y se determinan las ecuaciones
de momento flector para cada
segmento.
• Se reconocen los tipos de apoyos. Se
dibuja el diagrama de cuerpo libre. Se
sustituyen los apoyos por la reacción
correspondiente.
• 𝑚𝐷 = 0; 1 − 𝑚𝐷 = 0
• 𝑚𝐷 = 1 𝑡 ∙ 𝑚
• 𝐹𝑥 = 0; 𝑑𝑥 = 0
• 𝐹𝑦 = 0; 𝑑𝑦 = 0
Por: Ing. José Rafael Grimán Morales
10. PROBLEMA Nº 1
• Se determinan las ecuaciones de momento
flector para la estructura virtual, en
términos de una variable s, para cada
segmento de la estructura.
• Tramo DC, 0 s1 2
• m1 - 1; m1 = 1 (9)
• Tramo CB, 0 s2 2
• m2 - 1 = 0;
• m2 = 1 (10)
• Tramo AB, 0 s3 2,5 m
• m3 + 1 ; m3 = −1 (11)
Por: Ing. José Rafael Grimán Morales
11. PROBLEMA Nº 1
• 5to. Aplicamos la fórmula de cálculo de desplazamientos por efectos
dela flexión a cada segmento y se hace la suma algebraica de los
términos obtenidos.
• 1 ∙ ∆𝜃𝐴 = 0
𝐿
𝑚
𝑀 𝑑𝑠
𝐸𝐼
• 1 ∙ ∆𝜃𝐴 = 0
2
1
4𝑠−10 𝑑𝑠
𝐸𝐼
+ 0
2
1
4𝑠−4 𝑑𝑠
𝐸𝐼
+ 0
2,5
−1
−
16
25
𝑠2 𝑑𝑠
𝐸𝐼
• ∆𝜃𝐴 = 0
2 4𝑠−10 𝑑𝑠
𝐸𝐼
+ 0
2 4𝑠−4 𝑑𝑠
𝐸𝐼
+ 0
2,5
16
25
𝑠2 𝑑𝑠
𝐸𝐼
• Lo que indica que rota en sentido antihorario, es decir, en sentido opuesto a
como se supuso el sentido del momento unitario.
Por: Ing. José Rafael Grimán Morales