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地质科学  1998, Vol. Issue (2): 229-233    DOI:
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有限变形下变质量体系热动力学关系
凌荣华, 徐嘉谟
中国科学院地质研究所 北京 100029
THERMODYNAMICS OF MASS MOVING SYSTEM AT FINITE DEFORMATION
Ling Ronghua, Xu Jiamo
Institute of Geology, Chinese Academy of Sciences, Beijing\ 100029
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摘要 本文认为水与气的流动而导致固相介质中质量的流动是一种热动力学的过程,固相介质在此为一非线性耗散型材料。在假定流体为不可压流体,气体为理想气体后,获得了能量率平衡条件下系统比熵的显式,并据Clausius-Duhem不等式得到了有限变形框架下不同4维空间中的约束方程。这些方程与Coleman等所建立的约束方程间的区别与特性,亦在文中予以讨论。
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凌荣华
徐嘉谟
关键词有限变形   变质量体系   热动力学     
Abstract: Overcoming the model defects due to the simplification occuring in slope stability analysis,this is a study of the thermodynamics of nonlinear dissipative solid materials with mass moving resulted from the transport of its liquid and gas.After obtaining the system distinct postulates of specific entropy with energy rate equilibrium,and based on the assumption that the fluid is incompressible and gas is perfect,we find the general restrictions in four different affinity conjugation space at finite deformation which the Clausius-Duhem inequality places on response to these functions.The exhibition and difference between these restriction equations and the internal state variables established by Coleman and Gurtin which is the essential principles of thermoplasticity are also discussed.
Key wordsFinite deformation   Mass moving system   Thermodynamics   
收稿日期: 1997-10-10;
基金资助:中国科学院山地滑坡与泥石流地质灾害特别支持项目
引用本文:   
凌荣华,徐嘉谟. 1998, 有限变形下变质量体系热动力学关系. 地质科学, (2): 229-233.
Ling Ronghua,Xu Jiamo. THERMODYNAMICS OF MASS MOVING SYSTEM AT FINITE DEFORMATION[J]. Chinese Journal of Geology, 1998, (2): 229-233.
 
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