The theory of virtual work principles of deformable bodies and the technique to derive their expressions are studied and applied to contact problems to build FEM formulas.
研究了变形体虚功原理的理论和建立方法，并将其用于建立接触问题有限元法计算公式。
The principles of virtual work for deformable bodies can be obtained with facility by taking advantage of the well known principle of virtual displacement in analytical mechanics.
应用分析力学中质点系的虚位移原理，即可得到变形体的虚功原理。
The method USES discrete analytical surfaces to represent the surfaces between deformable and rigid bodies.
该方法将变形体与变形体或刚体之间的接触面利用离散的解析曲面来描述。
The method USES discrete analytical surfaces to represent the surfaces between deformable and rigid bodies.
该方法将变形体与变形体或刚体之间的接触面利用离散的解析曲面来描述。
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