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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >THE VOLUME FRACTION CONCEPT IN THE POROUS MEDIA THEORY
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THE VOLUME FRACTION CONCEPT IN THE POROUS MEDIA THEORY

机译:多孔介质理论中的体积分数概念

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In this paper the volume fraction concept in the porous media theory is considered. First, the historical development of this important concept is traced. Thereupon, the concept of volume fractions is formulated and the transport theorems, which govern the transformations of volume elements from one placement to another. are derived. An essential feature is the incorporation of the effect of incompressibility into the transport theorems. This is only possible by the introduction of a new multiplicative decomposition of the deformation gradients of the constituents into parts describing the deformations of the realistic (true) materials and parts including the changes of the pores. [References: 38]
机译:本文考虑了多孔介质理论中的体积分数概念。首先,追溯了这一重要概念的历史发展。随即,提出了体积分数的概念和传输定理,这些定理控制了体积元素从一种放置到另一种放置的转换。派生。一个基本特征是将不可压缩的影响合并到传输定理中。这只有通过将构成成分的变形梯度的新的乘性分解引入描述真实(真实)材料变形的部分以及包括孔隙变化的部分中才能实现。 [参考:38]

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