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virtual displacement

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virtual displacement

[′vər·chə·wəl di′splās·mənt]
(mechanics)
Any change in the positions of the particles forming a mechanical system.
An infinitesimal change in the positions of the particles forming a mechanical system, which is consistent with the geometrical constraints on the system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
where [delta]x is a virtual displacement between two neighboring trajectories of system (1).
Partial Contraction Analysis of Coupled Fractional Order Systems
According to the virtual displacement principle of elastic mechanics, the momentum equation of coal-rock mass skeleton under quasi-static condition is [11]
Solid-Gas Coupling Model for Coal-Rock Mass Deformation and Pressure Relief Gas Flow in Protection Layer Mining
Using the principle of virtual displacement, the equilibrium equation can be expressed for CLPT as:
Free Vibrational Response of Single-Layered Graphene Sheets Embedded in an Elastic Matrix using Different Nonlocal Plate Models
According to the principle of virtual displacement, the virtual potential energy [delta]U should vanish at the equilibrium state of the system.
Vibration of Elastic Functionally Graded Thick Rings
According to Bathe (1996), the equation of virtual displacement in the Total Lagrangian Formulation is given by Equation 1:
A methodology for analysis of defective pipeline by introducing stress concentration factor into beam-pipe finite element formulation/Uma metodologia de analise de duto com defeito atraves da introducao de fator de concentracao de tensoes na formulacao de elementos finitos de viga-duto
where [delta]u is the virtual displacement and [P.sup.*] is the generalized force.
Process design of a ball joint, considering caulking and pull-out strength
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