晶格波茲曼法邊界條件之發展

Development of boundary condition in lattice Boltzmann method

侯誌峰(Chih-Feng Hou)

指導教授 ： 林昭安

國立清華大學/工學院/動力機械工程學系/碩士(2006年)

https://doi.org/10.6843/NTHU.2006.00120

摘要

In the thesis, a lattice Boltzmann boundary treatment for pressure and velocity boundary conditions is presented. A new boundary condition is proposed to handle the unknown distribution functions at the boundaries. We assume every unknown distribution function has a correction term F for modification. The singular corner point is treated by two types of methods, and obtain a close result.
This scheme is applied to two-dimensional Poiseuille flow, Couette flow with wall injection, lid-driven square cavity flow, and three-dimensional Poiseuille flow. Numerical simulations exhibit the scheme is second order accurate in space discretization.

關鍵字

晶格波茲曼 ； 邊界條件

並列摘要

無資料

並列關鍵字

lattice Boltzmann ； boundary condition

參考文獻

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