| 对流扩散方程的高精度差分有限元破开算子法 |
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| 引用本文： | 黄海,李琳.对流扩散方程的高精度差分有限元破开算子法[J].中山大学学报(自然科学版),1996,35(2):10-14. |
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| 作者姓名： | 黄海 李琳 |
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| 作者单位： | 中山大学应用力学与工程系 |
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| 摘 要： | 对于非定常二维对流扩散方程，将二次迎风插值方法（ＱｕａｄｒａｔｉｃＵｐｏｔｒｅａｍＩｎｔｅｒｐｏｌｓｔｉｏｎｆｆｏｒＣｏｎｕａｃｔｉｖｅＫｉｎｅｍａｔｉｃｓ，简称Ｑｕｉｃｋ格式）与集中质量九节点等参元的有限单元法结合起来，发展了一种有效的高精度差分有限元破开算子法．计算结果表明，这是一种高精度的数值模式．
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| 关 键 词： | 对流扩散方程，二次迎风式插值，差分有限元破开算子法 |
FDM-FEM Operator-Spliting Method with High Order Accuracy for Convection-Diffusion Equation |
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| Huang Hai, Li Lin, Zhang Diming.FDM-FEM Operator-Spliting Method with High Order Accuracy for Convection-Diffusion Equation[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,1996,35(2):10-14. |
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| Authors: | Huang Hai Li Lin Zhang Diming |
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| Abstract: | in this paper, a ADM-FEM operating spliting method with higher order-accuracy for 2D unsteady convection-diffusion equation is developed hosed on 1], which combines OUICK scheme with FEM with nine point isparameter elements. |
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| Keywords: | conviction-diffusion equation higher order accuracy FDM-FEM operator-spliting method |
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