| 一组水动力学方程组的分步流线差分解法 |
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| 引用本文： | 肖进胜,孙乐林.一组水动力学方程组的分步流线差分解法[J].数学杂志,1999,19(2):203-208. |
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| 作者姓名： | 肖进胜 孙乐林 |
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| 作者单位： | 武汉大学 |
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| 摘 要： | 这篇文章针对一组平面二维水动力学方程组提出了分步流线差分法。用破开算子法将其分成两部分，在空间上用三角形单元的分片线性插值来逼近，在时间步上用沿流线的差分来逼近。并给出了该方法的误差估计和稳定性分析。
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| 关 键 词： | 分步法 有限元 水动力学方程 流线差分法 解 |
THE FRACTIONAL STEP DIFFERENCE METHOD ALONG FLOWING LINE FOR TWO DIMENSION FLOW PROBLEM |
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| XIAO Jinsheng,SUN Lelin.THE FRACTIONAL STEP DIFFERENCE METHOD ALONG FLOWING LINE FOR TWO DIMENSION FLOW PROBLEM[J].Journal of Mathematics,1999,19(2):203-208. |
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| Authors: | XIAO Jinsheng SUN Lelin |
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| Abstract: | In this paper, the fractional step difference method for two dimensional model of hydrodynamic equtions is discussed, its discrete procedure is made up of linear finite element in space variable,and difference method along flowing line in time variable.The error estimate and the stability analysis are given. |
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| Keywords: | two dimensional flow fractional step finite element difference method |
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