| 一种能克服两方程湍流模型刚性的流热一体化算法 |
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| 引用本文： | 胡海洋,王强.一种能克服两方程湍流模型刚性的流热一体化算法[J].计算物理,2009,26(5):685-692. |
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| 作者姓名： | 胡海洋 王强 |
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| 作者单位： | 北京航空航天大学能源与动力工程学院, 北京 100083 |
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| 摘 要： | 使用流热一体化算法解决传统耦合算法难于处理的流场与固体温度场耦合计算问题.为保证其计算效率,提出一个简单有效的方法用以克服两方程湍流模型刚性.给出该方法的理论证明,并验证其配合多重网格提高LUSGS隐式时间推进法的计算效率.
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| 关 键 词： | 流热耦合 刚性 两方程模型 多重网格 |
| 收稿时间： | 2008-04-30 |
| 修稿时间： | 2008-08-28 |
Flow Heat Transfer Integrated Method Overcoming Stiffness in Two-equation Turbulence Models |
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| HU Haiyang,WANG Qiang.Flow Heat Transfer Integrated Method Overcoming Stiffness in Two-equation Turbulence Models[J].Chinese Journal of Computational Physics,2009,26(5):685-692. |
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| Authors: | HU Haiyang WANG Qiang |
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| Institution: | School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | A integrated method solving fluid and solid simultaneously is used to deal with complicated flow and solid temperature field coupling problems.A simple but effective approach is proposed to overcome stiffness in two-equation turbulence models.Related theory is provided.With this method,efficiency in multigrids and LUSGS implicit temporal stepping method is increased remarkably. |
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| Keywords: | flow heat transfer coupled stiffness two-equation turbulence models multigrid |
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