Solid Mechanics and Vehicle Conceptual Design

Integrated layout and topology optimization design of multi-component structure system under harmonic force excitation

  • ZHU Jihong ,
  • ZHAO Hua ,
  • LIU Tao ,
  • ZHANG Weihong
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  • 1. State IJR Center of Aerospace Design and Additive Manufacturing, Northwestern Polytechnical University, Xi'an 710072, China;
    2. MⅡT Laboratory of Metal Additive Manufacturing and Innovative Design, Northwestern Polytechnical University, Xi'an 710072, China;
    3. Institute of Intelligence Material and Structure, Unmanned System Technologies, Northwestern Polytechnical University, Xi'an 710072, China

Received date: 2017-07-03

  Revised date: 2017-09-08

  Online published: 2017-09-08

Supported by

National Natural Science Foundation of China (11432011, 11620101002); National Key Research and Development Pro-gram of China (2017YFB1102800); Key Research and Development Program of Shaanxi Province (S2017-ZDYF-ZDXM-GY-0035)

Abstract

This paper presents an integrated layout and topology optimization of the multi-component structure system under harmonic force excitation. The configuration of the supporting structure and the component layout are simultaneously optimized to minimize the displacement responses that are obtained by using the Mode Acceleration Method (MAM). The Multi-Point Constraint (MPC) scheme is employed to simulate the rivets and bolts connecting components and supporting structures. The Finite Circle Method (FCM) is used to avoid overlaps among different components and boundaries of supporting structures. The mathematical model for the integrated layout and topology optimization of multi-component structure system is established, and the sensitivities of the objective function to design variables are deduced. Numerical examples are presented to demonstrate the effectiveness and validity of the proposed method for solving problems under harmonic force excitation.

Cite this article

ZHU Jihong , ZHAO Hua , LIU Tao , ZHANG Weihong . Integrated layout and topology optimization design of multi-component structure system under harmonic force excitation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018 , 39(1) : 221575 -221575 . DOI: 10.7527/S1000-6893.2017.221575

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