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According to voice of engineering, 3 dimensional condensation boundary element method is used to solve multi-body frictional elastic contact problem. Frictional elastic contact problems belong to local nonlinearity problems, the relative sliding of contact face gives rise to energy dissipation, in this paper, incremental method is adopted to trace the whole course of loading, condensation method is...
Based on three-dimensional elastic contact boundary element method, bearing rollers are described as plate-units and placed on the inner race which is placed on mill roll, and outer race is placed on shaft block, therefore, the multi-body contact problem can be simplified to two bodies contact problem. Sub-elements and micro-elements are used to realize the discontinuous distribution of surface force...
In order to solve multi-body elastic contact problem, condensation boundary element method is used in this paper. Taking three bodies elastic contact without friction for example, the theory of elastic contact boundary element method is given, the boundary integral equations and the discrete boundary integral equations are established and the process of condensation solution is illustrated. An example...
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