簡易モデルを用いたハニカムサンドウィッチ構造材料の弾塑性解析

概要

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A simple method for structural analysis of honeycomb sandwich construction (HSC), which is used as light weight and high stiffness material, was given. It was shown that a rigidity of honeycomb material is very influential to the stiffness of HSC when HSC is subjected to bending load, and elastic and plastic moduli of rigidity are given by honeycomb parameters such as cell size and cell wall thickness. Therefore the authors proposed the finite element model for structural analysis of HSC, which can simulate the HSC deformed behavior without detailed hexagnal mesh. The analyses results given by proposed model agreed with the results of the experiment and the detaied meshing analyses. This model doesn't reduce the precision but reduce much time for pre-post processes and analyses.ハニカムの幾何形状から3軸方向の等価ヤング率，等価横弾性係数，等価ポアソン比を決定し，要素の剛性マトリックスに組み込んだ．
社団法人日本機械学会の論文
1998-08-25