Numerical simulation research on T300/69 composite laminate under multi-angle impact

Abstract

Abstract: To investigate the effect of different impact energies/angles on the edge impact performance of T300/69 composite laminate, a numerical simulation of the edge low-velocity impact process of T300/69 composite laminate with different impact energies/angles is carried out based on the three-dimensional Hashin failure criterion of strain description with the help of Abaqus finite element analysis software and the modified VUMAT subroutine. The finite element model of the edge low-velocity impact of T300/69 composite laminate is established and the results of the finite element simulation show that the damage degree and energy absorption of the composite laminate decrease with the increase of impact angles with the same impact energies. Meanwhile, the damage degree and energy absorption of the composite laminate increase with the increase of impact energies in the condition of the same impact angles. And the modified VUMAT subroutine can better predict the low-velocity impact response and damage of T300/69 composite laminates.

Key words: T300/69 composite laminate, edge impact, impact angle, impact energy, low-velocity impact

CLC Number:

TB332

LIU Jian-hui, PAN Yi-chen, XUE Wen-zhuo, SUN Jian-ren. Numerical simulation research on T300/69 composite laminate under multi-angle impact[J]. Journal of Lanzhou University of Technology, 2023, 49(3): 43-48.

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