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Chapter 11

Virtual Work

Travail
Travail
Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work ...
Travail d’un couple moment
Travail d’un couple moment
Mechanical engineering involves the study of motion, energy, and force, and is concerned with designing, manufacturing, and maintaining mechanical ...
Travail virtuel
Travail virtuel
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces ...
Travail virtuel pour un système de corps rigides connectés
Travail virtuel pour un système de corps rigides connectés
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is ...
Principe du travail virtuel : résolution de problèmes
Principe du travail virtuel : résolution de problèmes
The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium ...
Efficacité mécanique de machines réelles
Efficacité mécanique de machines réelles
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. ...
Forces conservatrices
Forces conservatrices
Conservative forces are an essential concept in the field of mechanical engineering. Understanding the properties and characteristics of these forces is ...
Énergie potentielle
Énergie potentielle
A conservative force, such as a gravitational or elastic force, gives the body the capacity to do work. This capacity, measured as the potential energy, ...
Critère d’équilibre de l’énergie potentielle
Critère d’équilibre de l’énergie potentielle
Potential energy or potential function plays an essential role in determining the stability of a mechanical system. If a system is subjected to both ...
Stabilité de la configuration d’équilibre
Stabilité de la configuration d’équilibre
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types ...
Système à un degré de liberté
Système à un degré de liberté
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, ...
Stabilité de la configuration d’équilibre : résolution de problèmes
Stabilité de la configuration d’équilibre : résolution de problèmes
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the ...
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