Journal of Shanghai Jiao Tong University(Science) ›› 2015, Vol. 20 ›› Issue (6): 641-648.doi: 10.1007/s12204-015-1671-2

• Research article •     Next Articles

Compliant Assembly Modeling and Deformation Analysis Considering Macro Residual Stress in Engineering Component

Li-na ZHANG, Hua WANG*(), Shu-hui LI   

  1. Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures
    State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Shanghai 200240, China
  • Received:2014-03-08 Online:2015-12-20 Published:2020-10-09
  • Contact: Hua WANG E-mail:huawang@sjtu.edu.cn
  • Supported by:
    The National Basic Research Program (973) of China (No.2010CB731703);The National Natural Science Foundation of China (No.51275308)

Abstract:

Based on the manufacturing history chain, a component’s macro residual stress is introduced to the subsequent assembly model. In the simulated method, the simulation cost is saved via mapping the bulk stress profile directly to the component compared to our previous study. It thus facilitates the finite element analysis (FEA) which takes the component location in blank and the thickness of blank as two influence parameters. The methodology is proved to be feasible by the validation experiment designed for a typical assembly structure from the aerospace industry. The results show that the bulk stress originating from material preparation affects the downstream large-scale assembly deformation. The investigation of this research helps systematically to improve compliant assembly precision.

关键词: compliant assembly|residual stress|assembly deformation|finite element analysis (FEA)

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