Fluid absorption and diffusion in and between porous materials

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20161502221259
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(1) Shanghai Jiao Tong University, China | 1600年 / ACM SIGGRAPH卷 / Association for Computing Machinery, 2 Penn Plaza, Suite 701, New York, NY 10121-0701, United States期
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This paper presents a physically based method to simulation the mechanics of a fluid flowing through porous deformable materials. We introduce Darcy's law to governing fluid absorption and diffusion. Over-saturated part of porous solid loses excess fluid by dripping. Contrary to previous wetting simulation approaches; we extend the diffusion model; with which fluid can transport in and between porous materials. Thus; our method is capable of simulating imbibition of fluid into porous solids and surface flow over different porous surfaces. In our algorithm model; physical properties are affected upon four stages; including fluid-solid coupling; fluid absorption; diffusion and over-saturation. Results show that our method provides various new effects and better computational efficiency. © 2015 ACM;
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