本文采用有限容积法(FVM)-分子动力学(MD)耦合算法,模拟研究了碳纳米管绕流现象.在液体流动方向和垂直于流动的方向同时用非周期性边界条件处理,相比于传统的周期性边界条件,更准确地描述了液体流动.耦合方法与纯MD方法进行比较的结果显示耦合方法不但可以节省计算时间,而且在保证精确刻画局部微观细节的前提下,能更加准确地描述流体的速度场.
参考文献
| [1] | Sean T. O’Connell;Peter A. Thompson .Molecular dynamics–continuum hybrid computations: A tool for studying complex fluid flows[J].Physical review.E.Statistical physics, plasmas, fluids, and related interdisciplinary topics,1995(6):R5792-R5795. |
| [2] | Flekkoy EG.;Feder J.;Wagner G. .Hybrid model for combined particle and continuum dynamics[J].EPL,2000(3):271-276. |
| [3] | Delgado-Buscalioni R;Flekkoy EG;Coveney PV .Fluctuations and continuity in particle-continuum hybrid simulations of unsteady flows based on flux-exchange[J].EPL,2005(6):959-965. |
| [4] | Nie XB;Chen SY;Robbins MO .Hybrid continuum-atomistic simulation of singular corner flow[J].Physics of fluids,2004(10):3579-3591. |
| [5] | Liu, J;Chen, SY;Nie, XB;Robbins, MO .A continuum-atomistic simulation of heat transfer in micro- and nano-flows[J].Journal of Computational Physics,2007(1):279-291. |
| [6] | Fedosov DA;Karniadakis GE .Triple-decker: Interfacing atomistic-mesoscopic-continuum flow regimes[J].Journal of Computational Physics,2009(4):1157-1171. |
| [7] | Wen-Quan Tao;Ya-Ling He .Recent advances in multiscale simulations of heat transfer and fluid flow problems[J].Progress in Computational Fluid Dynamics,2009(3/5):150-157. |
| [8] | Hadjiconstantinou NG;Patera AT .Heterogeneous atomistic-continuum representations for dense fluid systems[J].International Journal of Modern Physics, C. Physics and Computers,1997(4):967-976. |
| [9] | Kalweit, M.;Drikakis, D. .On the behaviour of fluidic material at molecular dynamics boundary conditions used in hybrid molecular-continuum simulations[J].Molecular simulation,2010(7/9):657-662. |
| [10] | Huang, Z.G.;Guo, Z.N.;Yue, T.M.;Chan, K.C. .Non-periodic boundary model with soft transition in molecular dynamics simulation[J].EPL,2010(5):50007-1-50007-6. |
| [11] | Delgado-Buscalioni R.;Coveney PV. .USHER: An algorithm for particle insertion in dense fluids[J].The Journal of Chemical Physics,2003(2):978-987. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%