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Pressure Distribution Model for Mutation Boundary Surface of Porous Mediums

Wang Jianxing (College of Arch., North China Univ. of Tech., 100041, Beijing, China; Email: wangjx6@ncut.edu.cn)  
Based on the theory of fluid solid interaction mechanics, and taking into account the characteristics of porous mediums and the effects of transient heat load and heat flow, a mechanical model of uncontrolled surface of porous medium analysis is constructed. The study shows that owing to the capillary effect, there exists a non clearcut region for different model types of mutation boundary surface and special geometric forms are presented with the spread of heat seepage flow. The interfacial model type will remain the same regardless of the variation of the intersity of the transient heat load. A further study is conducted concerning the different models resulting from the mutation boundary surface of porous mediums, and specific mechanical meanings are given. Finally, numerical effects are simulated.
【Fund】: 北京市青年科技骨干培养基金
【CateGory Index】: O357
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