CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Lattice-type-dependent momentum-exchange method for moving boundaries
Wen, BH(闻炳海); Li, HB; Zhang, CY; Fang, HP(方海平)
2012
Source PublicationPHYSICAL REVIEW E
ISSN1539-3755
Volume85Issue:1
AbstractThe conventional momentum-exchange method (CME) is verified to be accurate for the stationary boundary by Mei et al. [Phys. Rev. E 65, 041203 (2002)], but it might be inaccurate when the boundary is moving in the lattice Boltzmann simulations. A lattice-type-dependent momentum-exchange method (LME) is presented to evaluate the hydrodynamic force on moving boundaries, in which the additional momenta induced by the type-changing lattices are well considered. LME preserves the superior features of CME, such as reliability, simplicity, and parallelism. Without any interpolation and integration, the algorithm is independent of boundary geometries, and therefore, efficient in computation and easy to be implemented in both two and three dimensions. A series of cylinder sedimentations are simulated to illustrate the accuracy and robustness of LME, and the results are in excellent agreement with those by the arbitrary Lagrangian-Eulerian technique (ALE). The lateral migrations of a particle are also investigated in the simulations of a neutrally buoyant cylinder in a Poiseuille flow, and consistent with the Segre-Silberberg effect.
Language英语
Funding Project应物所项目组
WOS IDWOS:000299125200002
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13209
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Wen, BH,Li, HB,Zhang, CY,et al. Lattice-type-dependent momentum-exchange method for moving boundaries[J]. PHYSICAL REVIEW E,2012,85(1).
APA Wen, BH,Li, HB,Zhang, CY,&Fang, HP.(2012).Lattice-type-dependent momentum-exchange method for moving boundaries.PHYSICAL REVIEW E,85(1).
MLA Wen, BH,et al."Lattice-type-dependent momentum-exchange method for moving boundaries".PHYSICAL REVIEW E 85.1(2012).
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