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Compliant assembly modeling and deformation analysis considering macro residual stress in engineering component

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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.

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Authors and Affiliations

  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

    Li-na Zhang  (张丽娜), Hua Wang  (王 华) & Shu-hui Li  (李淑慧)

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  1. Li-na Zhang  (张丽娜)
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  2. Hua Wang  (王 华)
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  3. Shu-hui Li  (李淑慧)
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Corresponding author

Correspondence to Hua Wang  (王 华).

Additional information

Foundation item: the National Basic Research Program (973) of China (No. 2010CB731703), and the National Natural Science Foundation of China (No. 51275308)

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Zhang, Ln., Wang, H. & Li, Sh. Compliant assembly modeling and deformation analysis considering macro residual stress in engineering component. J. Shanghai Jiaotong Univ. (Sci.) 20, 641–648 (2015). https://doi.org/10.1007/s12204-015-1671-2

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  • DOI: https://doi.org/10.1007/s12204-015-1671-2

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