有限变形塑性理论中的一个热—力学公设(英文)

A Thermomechanical Postulate in Finite Plasticity

本文将纯力学理论中的一个物理上似乎合理的“功假设”推广到计及热效应的情形。从本文的准热力学公设出发,可得到在有限变形下的率无关热塑性本构方程的热力学限制性条件。这对构造一个新的热塑性本构理论将会是十分有用的。

In this note, a physically plausible work assumption confined to a purely mechanical theory is extended to include thermal effects. From this extended postulate, thermodynamic restrictions placed on the constitutive equations of rate-independent thermoplasticity at finite deformation can be obtained, which may be useful in the formulation of new theory of thermoplasticity.