基于ABAQUS有限元软件,采用Hashin损伤准则建立了一种有效的复合材料加筋壁板低速冲击模型.分析了接触力、加筋壁板吸收能量和损伤散逸能对冲击响应的影响.结果表明:随着冲击能量的增大,接触力峰值前移,且冲击后板吸收能量与损伤散逸能的差值变大.落锤冲击实验表明,低速冲击能量下损伤程度与冲击能量正相关.对比了损伤区域的仿真结果和实验结果,发现二者拟合较好.
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