نتایج جستجو برای: arbitrary boundary

تعداد نتایج: 245238  

Journal: :J. Comput. Physics 2016
Jianfang Lu Jinwei Fang Sirui Tan Chi-Wang Shu Mengping Zhang

Abstract We consider numerical boundary conditions for high order finite difference schemes for solving convection-diffusion equations on arbitrary geometry. The two main difficulties for numerical boundary conditions in such situations are: (1) the wide stencil of the high order finite difference operator requires special treatment for a few ghost points near the boundary; (2) the physical bou...

Journal: :Physical Review E 2021

A lattice Boltzmann model for multispecies flows with catalytic reactions is developed, which valid from very low to high surface Damk\"ohler numbers (${\text{Da}}_{\text{s}}$). The previously proposed [S. Arcidiacono, J. Mantzaras, and I. V. Karlin, Phys. Rev. E 78, 046711 (2008)], applicable low-to-moderate ${\text{Da}}_{\text{s}}$ encompasses part of the mixed kinetics transport-controlled r...

Journal: :Communications in Mathematical Physics 2012

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