在气固多相流数值计算中,内嵌边界方法用于处理固体颗粒和流体之间的相互作用问题.本文将程玉民等改进的移动最小二乘法应用于内嵌边界方法中,克服了移动最小二乘逼近法需要求解逆矩阵的弊端,提高了计算效率和精度.通过直接数值模拟具有精确解的Taylor-Green涡、均匀来流绕过固定圆柱和NACA-0012机翼,验证了本算法可以取得很好的模拟结果.
参考文献
| [1] | Vanella, M.;Balaras, E. .A moving-least-squares reconstruction for embedded-boundary formulations[J].Journal of Computational Physics,2009(18):6617-6628. |
| [2] | 程玉民.移动最小二乘法研究进展与述评[J].计算机辅助工程,2009(02):5-11,20. |
| [3] | Calhoun D. .A Cartesian grid method for solving the two-dimensional streamfunction-vorticity equations in irregular regions[J].Journal of Computational Physics,2002(2):231-275. |
| [4] | Xu, S;Wang, ZJ .An immersed interface method for simulating the interaction of a fluid with moving boundaries[J].Journal of Computational Physics,2006(2):454-493. |
| [5] | Shen-Wei Su;Ming-Chih Lai;Chao-An Lin .An immersed boundary technique for simulating complex flows with rigid boundary[J].Computers & Fluids,2007(2):313-324. |
| [6] | Silva ALFLE.;Silveira-Neto A.;Damasceno JJR. .Numerical simulation of two-dimensional flows over a circular cylinder using the immersed boundary method[J].Journal of Computational Physics,2003(2):351-370. |
| [7] | Lockard DP.;Luo LS.;Milder SD.;Singer BA. .Evaluation of PowerFLOW for aerodynamic applications[J].Journal of Statistical Physics,2002(1/2):423-478. |
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