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|Title:||Lattice Boltzmann method for flows in porous and homogenous fluid domains coupled at the interface by stress jump|
|Keywords:||Interfacial boundary condition|
Lattice Boltzmann method
|Source:||Bai, H., Yu, P., Winoto, S.H., Low, H.T. (2009-06-30). Lattice Boltzmann method for flows in porous and homogenous fluid domains coupled at the interface by stress jump. International Journal for Numerical Methods in Fluids 60 (6) : 691-708. ScholarBank@NUS Repository. https://doi.org/10.1002/fld.1913|
|Abstract:||A numerical method was developed for flows involving an interface between a homogenous fluid and a porous medium. The numerical method is based on the lattice Boltzmann method for incompressible flow. A generalized model, which includes Brinkman term, Forcheimmer term and nonlinear convective term, was used to govern the flow in the porous medium region. At the interface, a shear stress jump that includes the inertial effect was imposed for the lattice Boltzmann equation, together with a continuity of normal stress. The present method was implemented on three cases each of which has a porous medium partially occupying the flow region: channel flow, plug flow and lid-driven cavity flow. The present results agree well with the analytical and/or the finite-volume solutions. Copyright © 2008 John Wiley & Sons, Ltd.|
|Source Title:||International Journal for Numerical Methods in Fluids|
|Appears in Collections:||Staff Publications|
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