摘要
建立客车纵梁的有限元模型,以客车纵梁厚度为设计变量,以质量最小为优化目标,结合客车弯曲工况下纵梁静力分析及纵梁碰撞分析,利用Hyperstudy软件对纵梁进行多学科优化分析,得到纵梁厚度的最优解。
The finite element model of the passenger car longitudinal was established. The thickness ofthe longitudinal beam was taken as the design variable, the minimun mass was taken as the optimizationobjective. The multi-disciplinary optimization of the longitudinal beam was carried out by using Hyper-study in combination with the static analysis of the longitudinal beam under bending condition and thecollision of the longitudinal beam. The optimal solution of the thickness of the beam was obtain.
引文
[1]Mc Nay JI GH. Numerical Modeling of Tube Crush WithExperimental CoMParison[J]. SAE Passenger Car Meeting and Exposition,1998,16:889-898.
[2]郝琪,王泽宇,王超.多学科优化在车架纵梁设计的应用研究[J].机械设计,2015,32(6):39-42.
[3]宋保维,王鹏.鱼雷多学科设计优化理论与应用研究[M].西安:西北工业大学出版社,2016:2.
[4]张勇,李光耀,孙光永,等.多学科设计优化在整车轻量化设计在整车轻量化设计中的应用研究[J].中国机械工,2008(7):877-881.
[5]Forsberg J,Nilsson L. Evaluation of Response SurfaceMethodologies Used in Crashworthiness Optimization[J].International Journal of Impact Engineering,2006,32(5):759-777.
[6]丁彦闯,兆文忠.基于Kriging模型的焊接构架抗疲劳优化设计[J].大连交通大学学报,2008,29(2):7-11.
[7]尹茂华.半承载式客车车身有限元分析[D].淄博:山东理工大学,2008.
[8]史朝军,张胜兰,杨啓梁.自卸车货箱多学科优化设计[J].湖北汽车工业学院学报,2013,27(3):10-14.