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材料工程  2015 

复合材料加筋壁板低速冲击响应与冲击能量关系

DOI: 10.11868/j.issn.1001-4381.2015.04.010, PP. 53-58

Keywords: 复合材料加筋壁板,冲击响应,有限元分析,损伤面积,冲击能量

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Abstract:

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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