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Numerical simulation of flow through circular array of cylinders using porous media approach with non-constant local inertial resistance coefficient 被引量:6
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作者 詹杰民 胡文清 +2 位作者 蔡文豪 龚也君 李志伟 《Journal of Hydrodynamics》 SCIE EI CSCD 2017年第1期168-171,共4页
Aquatic vegetation zone is now receiving an increasing attention as an effective way to protect the shorelines and riverbeds. To simulate the flow through the vegetation zone, the vegetation elements are often simplif... Aquatic vegetation zone is now receiving an increasing attention as an effective way to protect the shorelines and riverbeds. To simulate the flow through the vegetation zone, the vegetation elements are often simplified as equidistant rigid cylinders, and in the whole zone, the porous media approach can be applied. In this study, a non-constant inertial resistance coefficient is introduced to model the unevenly distribution of the drag forces on the cylinders, and an improved porous media approach is applied to one circular array of cylinders positioned in a 2-D flume. The calculated velocity profile is consistent with the experimental data. 展开更多
关键词 Vegetation zone cylinder array porous media inertial resistance coefficient
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