In modern terminology virtual displacement is a tangent vector to the manifold representing the constraints at a fixed time.
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Therefore, the virtual work associated with a virtual displacement will depend on "'C " '.
3.
Virtual work is the work done along a virtual displacement for any force ( constraint or non-constraint ).
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He systematized the computational methods, in particular the principle of virtual displacements, and applied the energy sets systematically.
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Virtual work is the total work done by the applied forces and the inertial forces of a mechanical system as it moves through a set of virtual displacements.
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Scholars Sheldon Pollock and Jan Houben have claimed that 90 percent of the Chalukyan royal inscriptions are in Kannada, a virtual displacement of Sanskrit as the language of courtly discourse.
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At any time during the motion we may consider perturbing the system by a virtual displacement ? "'r "'consistent with the constraints of the system.
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Since virtual displacements are automatically compatible when they are expressed in terms of continuous, single-valued functions, we often mention only the need for consistency between strains and displacements.
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In analytical mechanics the concept of a virtual displacement, related to the concept of virtual work, is meaningful only when discussing a physical system subject to constraints on its motion.
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It is called virtual rather than real since no actual displacement can take place without the passage of time . " Also, virtual displacements are spatial displacements exclusively-time is fixed while they occur.
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