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中文摘要：
研究柔性多体系统多点接触碰撞建模理论和实验方法.考虑几何非线性,基于非线性弹簧-阻尼模型,用虚功原理建立了柔性多体系统多点接触碰撞过程的动力学方程,在此基础上设计多点接触碰撞实验,通过仿真计算和实验的数值对比验证非线性弹簧-阻尼碰撞力模型在柔性多体系统多点接触中的适用性,以及考虑柔性影响的重要性.
英文摘要：
Considering geometric nonlinear effect and using nonlinear spring-damper impact model, dynamic equations for flexible multi-body system with multiple-point contact-impact were established based on virtual work approach, and then an experiment for multiple-point contact-impact was designed and carried out. The agreement of the simulation and experiment results verifies the applicability of the nonlinear spring-damper impact force model to the multiple-point contact-impact among flexible multi-body system, and the importance of the consideration of the flexibility.
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