| GMRES方法在含动边界流场中的应用 |
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| 引用本文： | 任登凤,谭俊杰,张军.GMRES方法在含动边界流场中的应用[J].力学与实践,2005,27(5):25-28. |
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| 作者姓名： | 任登凤 谭俊杰 张军 |
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| 作者单位： | 南京理工大学动力工程学院,南京,210094 |
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| 基金项目： | 国家自然科学基金（10476011）项目资助. |
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| 摘 要： | 以基于格心的有限体积法为基础，空间二阶精度，采用4阶Runge—Kutta，GMRES隐式方法求解基于ALE形式的Euler方程，网格单元边界处守恒量通量的计算采用了Hanel方法，对NACA0012翼型绕流及运动圆球绕流等问题进行数值模拟，取得了较好的结果．GMRES方法克服了以往隐式方法大量耗费内存的弱点，达到了计算耗时短和占用内存少的统一．
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| 关 键 词： | 非结构网格 动网格 Runge—Kutta方法 GMRES方法 |
| 收稿时间： | 2004-11-30 |
| 修稿时间： | 2005-05-17 |
APPLICATION OF GMRES METHOD IN FLOW FIELDS INVOLVING MOVING BOUNDARIES |
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| REN Dengfeng,TAN Junjie,ZHANG Jun.APPLICATION OF GMRES METHOD IN FLOW FIELDS INVOLVING MOVING BOUNDARIES[J].Mechanics and Engineering,2005,27(5):25-28. |
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| Authors: | REN Dengfeng TAN Junjie ZHANG Jun |
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| Abstract: | Runge-Kutta and GMRES methods are used for solving the 3-D time-dependent Euler equations in an Arbitrary Lagrangian-Eulerian(ALE) framework. The algorithm is based on a cell centered, finite-volume approach, second-order accurate in space. Hanel method is used to calculate the flux of the control face. Flows around a pitching NACA0012 airfoil and a moving ball are simulated. The numerical results are satisfactory. GMRES has the advantages of taking much less memory and less computation time. |
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| Keywords: | unstructured meshes moving meshes Runge-Kutta method GMRES |
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