金属系複合材料の衝撃に関する研究 : 第1報,二次元衝撃解析プログラム

概要

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Two dimensional finite element code was developed. It can analyze the deformation of fiber reinforced metal matrix composites under lateral impulsive loading. Two types of rectangular isoparametric element were used. Using this code, elastic-plastic large displacement problems with anisotropy can be treated. The varidity of the code was demonstrated by calculating four different types of problems and carefully examining their results. Problems delt were elastic large displacement dynamic analysis of cantilever beam, anisotropic analysis of rigid punch indentation, elastic-plastic large displacement dynamic analysis of clamped beam and elastic analysis of plate with finite strain. Dynamic tensile tests of boron/aluminum composites were analyzed by this code. Fair agreement was obtained between the experimental and numerical results, though it is difficult to compare these results exactly because of some scatter in the experimental data.
1988-05-25