| 进出流边界条件对二维后台阶流动影响的研究 |
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| 引用本文： | 高殿荣,李久彤.进出流边界条件对二维后台阶流动影响的研究[J].燕山大学学报,1999,23(1):35-39. |
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| 作者姓名： | 高殿荣 李久彤 |
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| 作者单位： | 燕山大学机械工程学院!秦皇岛066004(高殿荣，李久彤)，秦皇岛港务局公司!066000(赵世春) |
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| 基金项目： | 机械工业部教育司科技基金 |
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| 摘 要： | 用有限元方法对不可压缩流体沿二维后台阶流动的流函数－涡量式进行数值计算。讨论了进出流边界条件的改变对流动所产生的影响，证明不仅出流边界条件对后台阶流动进行正确模拟有影响，而且进流边界条件对后台阶流动进行正确模拟的影响更大。
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| 关 键 词： | 边界条件 有限元 后台阶 流函数 涡量 流动 |
The Investigation into influence of Inflow and Outflow Boundary Condifions on ZD Backward-Facing Step |
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| Gao Dianrong,Li Jiutong.The Investigation into influence of Inflow and Outflow Boundary Condifions on ZD Backward-Facing Step[J].Journal of Yanshan University,1999,23(1):35-39. |
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| Authors: | Gao Dianrong Li Jiutong |
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| Abstract: | in this paper the finite element method is employed to solve the streamfunction-vorticity formula for viscous incompressible fluid flowing past two-dimensional backward-facing step. The influence of inflow and outflow boundary conditions on the flow is discussed. and it is peoved that not only the outflow boundary condition but also the inflow boundary condition is the key to simulate the flow correctly. |
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| Keywords: | boundary conditions finite element method backward- facing step streamfunction vorticity |
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