本文将相容守恒格式扩展到自适应(AMR)网格下进行磁流体流动模拟,保证了不同层网格间的相容性和守恒性,并利用直角网格处理复杂几何界面,大大节省了计算机资源.文章结合切割网格法和VOF方法,使得边界条件能精确施加在直角网格上,实现了复杂构型下MHD流的精确模拟.计算结果表明,切割网格法能在直角网格下精确模拟有复杂边界的磁流体流动.
参考文献
[1] | Ni, MJ;Munipalli, R;Huang, P;Morley, NB;Abdou, MA .A current density conservative scheme for incompressible MHD flows at a low magnetic Reynolds number. Part II: On an arbitrary collocated mesh[J].Journal of Computational Physics,2007(1):205-228. |
[2] | Vantieghem, S.;Albets-Chico, X.;Knaepen, B. .The velocity profile of laminar MHD flows in circular conducting pipes[J].Theoretical and Computational Fluid Dynamics,2009(6):525-533. |
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