Research on optimization design method of CFRP/metal composite thin-walled square tube structure based on surrogate model

Yong Xiao, XiaoPing Zhang, JiaLin Li, XiangJing Lv, School of Mechanical, Electrical and Vehicle Engineering, Chongqing Jiaotong University, Intelligent Security Technology Research Institute, Beijing Institute of Technology Chongqing Innovation Center

Journal of Composite Materials

Published online on May 21, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
CFRP/metal composite thin-walled structures show great potential for automotive energy absorbers. However, existing studies rarely address the co-optimization of key design variables—metal wall thickness, CFRP layup angle, and CFRP layup thickness—and ...