有限変形の均質化理論に基づくセル状固体の微視的対称分岐解析 : 第2報, 正六角形ハニカムの面内座屈への適用

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This report deals with numerical verification of the theory, developed in the first report, on microscopic symmetric bifurcation of cellular solids subjected to macroscopically uniform compression. The theory is applied to analyzing the in-plane biaxial buckling of an elastic hexagonal honeycomb. It is shown that microscopic symmetric bifurcation takes place in the heneycomb in spite of the complex buckling behavior under in-plane biaxial compression. It is also shown that the complex buckling behavior is a consequence of the multiplicity of buckling modes ; for example, a triplet of buckling modes under equi-biaxial compression, each of which is relatively simple, are linearly combined to generate a flower-like complex mode, which was observed recently to occur in a hexagonal honeycomb with circular cells.
一般社団法人日本機械学会の論文
2001-06-25