Abstract
In this study, effect of microstructure of foam material on mechanical behavior was investigated. In order to develop the evaluation method, foam structure was assumed to have the periodical oval voids, and a homogenization FEM code for hyperelastic body was developed based on homogenization theory. Compression tests of the rubber specimens were conducted to verify developed homogenization FEM model. Results of 2-dimentional FEM showed good agreement with the compression test results. Effect of boundary conditions of compression tests and homogenization FEM were investigated.
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