NONLINEAR DYNAMIC ANALYSIS AND EXPERIMENTAL VERIFICATION ON BOLT JOINT CONTACT STRUCTURE

摘要：

Bolt joint structures have been widely used in engineering equipment. Nonlinear contact problem make the dynamic analysis of bolt joint structure becomes a difficulty in finite element analysis. In order to obtain more precise result, the effect of the area changing of the actual contact surface must be taken into consideration. Base on the finite element method about contact problem, modeling and simulation of the bolt joint structure with preload in NASTRAN were introduced. The different natural modal parameters of the structure were obtained by varying preloads and contact surface friction coefficients. Experimental modal analysis for a typical bolt joint structure was provided. The result of the simulation and experiment matched well. So it showed that the proposed method could be useful to illustrate the modal analysis of bolt structure.

关键词： contact analysis bolt joint structure nonlinear dynamic analysis bolt preload

作者: Zongyong Zheng Qintao Guo

作者单位: College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

会议类型: 国际会议

会议名称: The Fifth International Conference on VETOMAC-V(第五届振动工程及机械技术国际会议)

会议地点: 武汉

会议语种:英文

页码: 139-144

在线出版日期: 2009-08-27（万方平台首次上网日期，不代表论文的发表时间）