- #1
chandran
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what is the principle of virtual work. In what circumstances this can be used to
solve statics problems?
solve statics problems?
How does the principle of virtual work apply to solving statics problems?
- Thread starter chandran
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This principle can be used to solve statics problems in various situations. In summary, the principle of virtual work is a tool used to solve statics problems, where work done by all forces on a system must equal zero under a virtual displacement. This principle can be applied in various situations and a textbook is recommended for a deeper understanding.
- #2
HallsofIvy
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That looks an awful lot like a homework problem a teacher would give in the hopes that you would simply read the textbook.
- #3
H_man
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http://scienceworld.wolfram.com/physics/VirtualWork.html
This gives a definition.
I remember being a little confused by the concept when I first met it. As I understand, it is simply a tool to help you solve the problem.
This gives a definition.
I remember being a little confused by the concept when I first met it. As I understand, it is simply a tool to help you solve the problem.
- #4
Kazza_765
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This isn't really something that can be explained easily in a few sentences. But you use virtual work to find forces, and virtual forces to find displacements. You really need a textbook to learn this. Essentially though, if we allow a static system to undergoe a virtual displacement, the work done by all the forces acting on the system must equal zero.
What is the Principle of Virtual Work?
The Principle of Virtual Work is a fundamental concept in mechanics that states that the virtual work done by all the forces acting on a system in equilibrium must be equal to zero. This means that the sum of the products of the forces and their corresponding virtual displacements must be equal to zero.
How is the Principle of Virtual Work used in engineering?
The Principle of Virtual Work is used in engineering to analyze and solve problems related to statics, dynamics, and structures. It is particularly useful in determining the internal forces and deformations of complex structures, such as bridges and buildings.
What is the difference between virtual work and actual work?
Virtual work is a mathematical concept that represents the work done by a force on a virtual displacement, which is an imaginary displacement that satisfies the equilibrium conditions of a system. Actual work, on the other hand, is the physical work done by a force on a real displacement.
What are the assumptions of the Principle of Virtual Work?
The Principle of Virtual Work is based on several assumptions, including the system being in static equilibrium, the virtual displacements being compatible with the constraints of the system, and the forces being conservative.
What are the benefits of using the Principle of Virtual Work?
The Principle of Virtual Work allows for a more efficient and systematic approach to solving engineering problems. It also provides a theoretical basis for understanding the behavior of structures and systems in equilibrium, and it can be extended to more complex systems through the use of numerical methods.
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