Virtual Work Principles for Two Elastoimpact Contact Bodies

概要

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The virtual work principles for two elastoimpact bodies are required to formulate the finite element method for elastoimpact contact structures with translational and rotational motions. At first, the virtual work principles and their subsidiary contact conditions for the two bodies are two-dimensionally formulated in the basic contact and separate states of the two bodies, based on the conventional principle for a body. In the separate state of the two bodies, the virtual work principle and its subsidiary conditions are obtained by introducing a relative movement corresponding to clearance and regarding the bodies as a connective body. The relative movement in a slip direction is applied to the subsidiary conditions of a slip state in the same way as to the subsidiary conditions of the separate state Finally, the virtual work principles and their subsidiary conditions for the two bodies are three-dimensionally established on the basis of the two-dimensional principles and their subsidiary conditions.
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