The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.

实验和研究表明：基于经典弹塑性及蠕变理论的本构方程，非弹性应变在高温下其本质上是时间相关的。

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In this paper, a elastic-plastic dynamical constitutive model on jointed rock masses under blasting load is established with the help of the multiple rigid-body dynamics and contact-impact theory.

运用多刚体系统动力学及接触冲击理论建立了节理岩体弹塑性动态本构模型。

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After the free energy and the specific free energy are re-defined in theory, the elastic-plastic constitutive model of gypsum breccia considering expansion and damage are built.

在理论方面，通过对自由能、比自由能的重新定义，建立了考虑膨胀影响的膏溶角砾岩弹塑性本构模型。

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