3要素固体モデルを用いた非線形粘弾性構成関係同定のための引張試験(G03-10 構成式・変形解析(2),G03 材料力学)

概要

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It is neccessary to valuate viscoelasticity which is observed in moisture or polymer materials for the analysis of nonlinear deformation. The typical analysis technique which uses generalized viscoelastic model generally needs much effort in the valuation. On the other hand, it was already shown that the deformation can be represented by adding the state dependency to the component of simple three-element-solid model. As pointed out in the previous report, the dependency can be valuated by tensile test with three strain rates. However it did not go far enough to consider the deformations of real materials. This paper represents the experimental resuluts achieved from the tensile test of biological soft tissue. And the non-liner visco-elastic constitutive relation is valuated, from the results.
2004-09-04