3416 柔軟多体解析プログラム(SPADE)による大規模構造の座屈モード同定法(S83 モード解析とダイナミックス)

概要

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A buckling analysis method based on Co-rotational formulated FEM for flexible multi body beam structures is proposed. This method makes it possible to analyze light weight deployable beam structures that may be subjected to buckling load. This paper especially focuses on a method of buckling mode identification and buckling mode injection while a structure undergoes mechanical motion. In this method, a buckling mode is estimated even though a bifurcation point is not accurately obtained. The validity of this method is confirmed in a numerical examination.
一般社団法人日本機械学会の論文
2005-09-18