| Numerical Analysis of the Streaming Potential in Bone Tissue |
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| 作者姓名： | LI De-yuan LIU Zhan-fang ZHANG Xiang-wei |
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| 摘 要： | Biphasic porous medium model,based on the mixture theory in continuum mechanics frame,is used to depict the distributing disciplinarian of sclerotin's stress field,distortion field and pore pressure when the bone tissue is subjected to various dynamic loadings.The coupling relationship among the distortion,fluid flow and the streaming potential is studied.The penalty finite element formulation for streaming potential is studied.The penalty finite element formulation for streaming potential distributing in bone tissue is obtained by using Galerkin weighted residual method for the biphasic porous medium model with corresponding initial and boundary conditions,in this modeling,the solid phase is assumed to be isotropic elastic medium,and the fluid phase is ideal fluid.The computational results show that because of the distortion of bone tissue the marrow's flow is raised,then the electriferous partical moves in the porous and the streaming potential appears.
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| 关 键 词： | porous medium weighted residual method electrokinetic effect |
| 修稿时间： | 1/8/2001 12:00:00 AM |
Numerical Analysis of the Streaming Potential in Bone Tissue |
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| LI De-yuan,LIU Zhan-fang,ZHANG Xiang-wei.Numerical Analysis of the Streaming Potential in Bone Tissue[J].Storage & Process,2001(2):96-99. |
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| Authors: | LI De-yuan LIU Zhan-fang ZHANG Xiang-wei |
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| Abstract: | Biphasic porous medium model,based on the mixture theory in continuum mechanics frame,is used to depict the distributing disciplinarian of sclerotin's stress field,distortion field and pore pressure when the bone tissue is subjected to various dynamic loadings.The coupling relationship among the distortion,fluid flow and the streaming potential is studied.The penalty finite element formulation for streaming potential is studied.The penalty finite element formulation for streaming potential distributing in bone tissue is obtained by using Galerkin weighted residual method for the biphasic porous medium model with corresponding initial and boundary conditions,in this modeling,the solid phase is assumed to be isotropic elastic medium,and the fluid phase is ideal fluid.The computational results show that because of the distortion of bone tissue the marrow's flow is raised,then the electriferous partical moves in the porous and the streaming potential appears. |
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| Keywords: | porous medium weighted residual method electrokinetic effect |
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