| 曲边区域上非粘性型方程谱元方法逼近的Inf－Sup条件 |
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| 引用本文： | 许传炬.曲边区域上非粘性型方程谱元方法逼近的Inf－Sup条件[J].厦门大学学报(自然科学版),1996(6). |
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| 作者姓名： | 许传炬 |
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| 基金项目： | 留学回国人员资助,省自然科学基金 |
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| 摘 要： | 讨论复杂区域上非粘性型流体力学方程的谱元方法逼近．利用Ｌ２－Ｈ１型速度一压力变分形式证明Ｂａｂｕｓｋａ－Ｂｒｅｚｚｉ＇ｓＩｎｆ－ｓｕｐ条件被满足，并借此提出了适定的谱元逼近格式．
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| 关 键 词： | Euler方程，谱元方法，Inf－Sup条件 |
The Inf-Sup Condition of a Spectral Element Method for Inviscid Equations in Domains with Curved Boundary |
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| Xu Chuanju.The Inf-Sup Condition of a Spectral Element Method for Inviscid Equations in Domains with Curved Boundary[J].Journal of Xiamen University(Natural Science),1996(6). |
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| Authors: | Xu Chuanju |
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| Institution: | Dept. of Math. |
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| Abstract: | A spectral element appoximation of inviscid equations in complex geometries is presented. Using L2- velocity and H1- pressure weak formulation, it is proven that the wellknown Babuska Brezzi's Inf-Sup condition holds, and furthermore that the discrete problem is well-posed. |
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| Keywords: | Euler equations Spectral element method Inf-Sup condition |
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