[1]张志刚,周翔,房占鹏,等.基于绝对节点坐标方法的柔顺机构动力学建模与仿真[J].郑州大学学报(工学版),2020,41(02):53-58.
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基于绝对节点坐标方法的柔顺机构动力学建模与仿真()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
41
期数:
2020年02期
页码:
53-58
栏目:
出版日期:
2020-05-31

文章信息/Info

Title:
Dynamics Modeling and Simulation of Compliant Mechanisms Using Absolute Nodal Coordinate Formulation
作者:
张志刚周翔房占鹏肖艳秋
文献标志码:
A
摘要:
采用绝对节点坐标方法系统地研究了大变形柔顺杆的建模问题,建立了柔顺机构刚柔耦合动 力学方程。 在充分考虑柔顺杆与外部连接处变形特征基础上,提出了含端部变形约束的绝对节点坐标 梁单元。 应用闭锁问题缓解方法,考察了绝对节点坐标梁单元闭锁现象对柔顺机构动力学仿真的影响。 最后通过数值算例检验了绝对节点坐标方法对于柔顺机构动力学问题的精确性和有效性。
Abstract:

The modeling method for the compliant rod with large deformation was studied by using absolutenodal coordinate method, and the rigid-flexible coupling dynamic equations of the compliant mechanism wereestablished. Considering the deformation characteristics of the compliant rod at the external connection, thenew ANCF beam element with end deformation constraints was proposed. Based on the locking alleviation tech-nique, the effect of the locking phenomenon of the absolute nodal coordinate beam element on the dynamicsimulation of compliant mechanism was investigated. Finally, numerical examples were given to verify the ac-curacy and effectiveness of the absolute nodal coordinate method for the dynamic problems of compliant mecha-nisms.


更新日期/Last Update: 2020-05-30