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Simulation of coupled flows in adjacent porous and open domains using a control-volume finite-element method

机译:使用控制量有限元方法模拟相邻多孔域和开放域中的耦合流

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摘要

A control-volume finite-element method is used for simulations of flows through coupled fluid-saturated porous and open domains. The Brinkman-Forchheimer equations are used to model the flow in the porous domain. Modeling at the interface is emphasized, and full consistency is ensured. No special modifications need to be implemented in the numerical procedures and computer codes developed to deal primarily with flows in open domains, the interface conditions being treated in a consistent and natural way. Three illustrative examples involving flows parallel to the interface, flows normal to the interface, and combined parallel-normal flows are presented.
机译:控制体积有限元方法用于模拟流经耦合流体饱和的多孔域和开放域的流动。 Brinkman-Forchheimer方程用于模拟多孔区域中的流动。强调在接口上进行建模,并确保完全一致性。无需对数字程序和计算机代码进行开发以主要处理开放域中的流,而对接口条件进行一致且自然的处理,则无需进行特殊修改。给出了三个说明性示例,其中涉及平行于界面的流,垂直于界面的流以及组合的平行-法线流。

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