One-Dimensional Theory of Elastic-Plastic-Viscoplastic Stress Wave Propagation.

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  • 一次元弾・塑性・粘塑性応力波伝ぱ理論
  • 1ジゲンダン ソセイ ネンソセイ オウリョクハ デンパ リロン

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In the present paper, a one-dimensional theory of elastic-plastic-viscoplastic stress wave propagation is evolved. The concepts of understress and overstress are introduced to the constitutive equation used. The strain dependence and the strain-rate dependence of the wave propagation speed of the stress wave are given. A few forms of the wave propagation speed of the elastic-plastic-viscoplastic stress wave are newly derived. It is also shown that the theory of elastic-plastic-viscoplastic stress wave propagation given here contains a theory of elastic-plastic stress wave propagation and a theory of elastic-viscoplastic stress wave propagation. Moreover, a precursor and an unloading wave are also mentioned.

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