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Finite Element Modeling of Cellular Materials

机译：蜂窝材料的有限元建模

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Cellular materials are characterized by a low apparent density and a discrete micro-structure which is on a distinctly lower length-scale than the one of components made from them. Consequently, the effective behavior of cellular materials is rooted in the mechanical behavior of the struts and/or cell walls on the length scale of individual cells. These lecture notes describe methods of modeling cellular materials by the finite element method. Topics include the setup of micro-mechanical models for open and closed-cell foams as well, as sintered hollow sphere foam, the transition between the different mechanical length scales, and the optimization of the density distribution in components made from functionally graded foam.
机译：多孔材料的特征在于低的表观密度和离散的微结构，该微结构的长度尺度明显小于由它们制成的组件之一。因此，细胞材料的有效行为根植于单个细胞长度尺度上的支柱和/或细胞壁的机械行为。这些讲义描述了通过有限元方法对多孔材料进行建模的方法。主题包括建立用于开孔和闭孔泡沫的微机械模型，以及烧结空心球泡沫，不同机械长度尺度之间的过渡以及功能梯度塑料制成的组件中密度分布的优化。

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