发表刊物：机械工程学报
所属单位：运载工程与力学学部
卷号：53
期号：12
页面范围：102-109
ISSN号：0577-6686
摘要：The crashworthiness of B-pillar with tailored properties in vehicle side impact is researched based on dynamic explicit finite element method by taking the energy absorption and maximum intrusion of B-pillar as evaluation index.The effect of gradient strength distribution and gradient thickness distribution against collision performance is analyzed and their performance is compared to uniform strength B-pillar.In addition,radial basis function is applied to build the surrogate model of B-pillar and by which the multi-objective optimization design of B-pillar with tailored properties is carried out then.The results show that the performance of B-pillar with tailored properties are improved remarkably after optimization design,which proves that multi-objective optimization can further improve the comprehensive collision performance of vehicle structure.
备注：新增回溯数据