Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2021 , Vol. 55 >Issue 5: 615 - 623

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2019.283

Multi-Scale Reliability-Based Design Optimization of Three-Dimensional Orthogonal Woven Composite Fender

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  • a. State Key Laboratory of Mechanical System and Vibration, Shanghai 200240, China
    b. School of Design, Shanghai Jiao Tong University, Shanghai 200240, China

Received date: 2019-10-09

  Online published: 2021-06-01

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Abstract

Three-dimensional orthogonal woven composites have excellent mechanical properties and delamination resistance, which have a bright future in the application of automotive lightweight. A prediction model of elastic properties for three-dimensional orthogonal woven composites was established based on the analytical micromechanical method. The macro-scale performances of the fender were analyzed by using the finite element method. The Monte Carlo reliability analysis method, the Kriging surrogate mode, and the particle swarm optimization algorithm were adopted to conduct multi-scale reliability-based design optimization of a composite structure, which involves the uncertainties of material and structural design variables. The results show that the optimized fender meets the requirments of structural stiffness and reliability, and it also achieves a weight reduction of 21.93%.

Key words： three-dimensional orthogonal woven composite (3DOWC); automobile fender; Kriging surrogate model; multi-scale simulation; reliability-based design optimization (RBDO)

Cite this article

TAO Wei, LIU Zhao, XU Can, ZHU Ping . Multi-Scale Reliability-Based Design Optimization of Three-Dimensional Orthogonal Woven Composite Fender[J]. Journal of Shanghai Jiaotong University, 2021 , 55(5) : 615 -623 . DOI: 10.16183/j.cnki.jsjtu.2019.283

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