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基于Ansys的冲击载荷下蜂窝夹芯板的动力学响应

DOI: 10.3969/j.issn.1005-3026.2015.06.022, PP. 858-862

Keywords: 蜂窝夹芯板,冲击载荷,颗粒,填充范围,填充颗粒数

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Abstract:

以四边固支铝基蜂窝夹芯板为研究对象,针对蜂窝夹芯板胞元中添加颗粒的位置及填充量对动力学响应的影响进行了Ansys数值模拟计算,并比较了不同条件下的蜂窝夹芯板应力应变值.结果表明:在冲击载荷下,蜂窝夹芯板胞元中添加颗粒后能很好地减小应力应变值,增大蜂窝夹芯板的吸能效果.颗粒填充范围为0.2~0.25,颗粒填充数为两粒时,蜂窝夹芯板的应力应变值最小,吸能效果最佳,过多的填充不仅不具有更好的吸能效果,反而会激振蜂窝夹芯板.

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