侧面柱碰撞条件下轿车车门抗撞性优化设计

发布时间：2018-06-23 14:55

  本文选题：侧面柱碰撞 + 车门防撞梁　； 参考：《中国机械工程》2016年02期

【摘要】：为提高车门的抗柱撞性能,将基于SIMP理论的拓扑优化方法引入车门防撞梁设计,得到最佳的防撞梁材料分布;选择合适的截面构造防撞梁,得到一种Y形防撞梁结构;结合响应面法和NSGA?Ⅱ多目标优化算法对防撞梁进行多目标优化。相比于初始设计,优化后防撞梁在保证车门刚度满足法规要求的前提下,刚性柱的撞击侵入量减少22.5%,车门抗柱撞性能明显提高。
[Abstract]:In order to improve the anti-column impact performance of the door, the topology optimization method based on SIMP theory is introduced to the design of the door anti-collision beam, and the optimum material distribution of the anti-collision beam is obtained, and a kind of Y-shaped anti-collision beam structure is obtained by selecting the appropriate section to construct the anti-collision beam. Combined with response surface method and NSGA? 鈪，

本文编号：2057501