摘要
根据内变量的概念与质量、动量、能量和熵衡算方程,利用Gibbs局部平衡原理,获得化学、扩散、热传导过程均存在时材料的熵流和熵产,把Ziegler所提出的能量耗散广义正交原理量从一般固体的粘塑性领域推广到存在化学、扩散、热传导和力学现象相互作用的多孔介质领域,统一了粘性理论和塑性理论,建立了包括化学、扩散方程、热传导和力学过程的单相多组分和多相多组分两类介质模型的一般本构理论。
According to the balances of mass, momentum, energy and entropy, using internal variable and Gibbs＇s local equilibrium assumption, the mount of entropy flow and the mount of entropy production are determined for a couple chemo-thermo-hydro-mechanical process. The generalized normally principle introduced by Ziegler is generalized from the mechanical solid media to the porous media in which a couple chemo-thermo-hydro-meehanieal process exist. The generalized constitutive theory which unifies viscous theory and plastic theory is established in order to describe the couple cbemo-thermohydro-mechanical process for single-phase media with several ingredients and multiphase media respectively including several ingredients.
出处
《丽水学院学报》
2008年第5期34-38,59,共6页
Journal of Lishui University
关键词
非平衡态热力学
内变量
衡算方程
粘塑性
本构关系
non-equilibrium thermodynamics
internal variable
balance equation
viscosity and plasticity
constitutive relation
