TWO-SCALE ANALYSIS OF HONEYCOMBS INDENTED BY FLAT PUNCH
作者： TAKASHI ASADA , YUJI TANAKA , NOBUTADA OHNO
DOI: 10.1142/S0217979208051789
关键词: Geometry 、 Cell deformation 、 Indentation 、 Stress–strain curve 、 Homogenization (chemistry) 、 Scale analysis (mathematics) 、 Finite element method 、 Honeycomb 、 Zigzag 、 Materials science
摘要: The fully implicit incremental homogenization scheme developed by Asada and Ohno (2007) for elastoplastic periodic solids is applied to two-scale analysis of honeycomb blocks subjected flat punch indentation. To this end, the rebuilt introducing half unit cells based on point-symmetric distributions stress strain in cells, so that domains are reduced half. Then, assuming zigzag armchair types cell-arrangements, performed. corresponding full-scale finite element also performed reveal cell-arrangement dependence cell deformation blocks. It shown macroscopically successful spite microscopic limitations.
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