Abstract:In order to reduce vehicle occupant injury under blast wave, a multi-parameter optimization is proposed for the vehicle hull underbody structure and occupant restraint system. The simulation of the occupant response is based on Arbitrary Lagrange-Eulerian and Fluid-solid Interaction methods, which is calibrated by explosion test. The optimization mathematical model of occupant's leg force and neck bending moment has been established, and the thickness, material and location of vehicle underbody and occupant restraint system are set as design variables. In this paper, a dimension reduction technique, namely, Factor Analysis based Multi-parameter Optimization, is exploited to cut down the sample space of optimization mathematical model precisely and reasonable. The Pareto set of optimization model is calculated by the proposed methodology, which could get the design scheme of vehicle underbody configuration and occupant restraint system for minimizing occupant injury.
收稿日期: 2015-05-11
出版日期: 2016-07-15
引用本文:
魏然1;王显会1;周云波1;张明1;王良模1. 爆炸冲击下车辆底部结构与座椅系统多参数优化研究[J]. 振动与冲击, 2016, 35(14): 90-95.
WEI Ran1, WANG Xian-hui1, ZHOU Yun-bo1, ZHANG Ming1, WANG Liang-mo1. Multi-parameter Optimization of Vehicle Underbody Configuration and Occupant Restraint System under Explosion Shock. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(14): 90-95.
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