| 引用本文: | 刘翠,成礼智.一个二阶精度的大粒子有限体积方法.[J].国防科技大学学报,2004,26(3):112-114.[点击复制] |
| LIU Cui,CHENG Lizhi.A Large Particle Finite Volume Scheme on Two Dimension Unstructured Meshes[J].Journal of National University of Defense Technology,2004,26(3):112-114[点击复制] |
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| 一个二阶精度的大粒子有限体积方法 |
| 刘翠, 成礼智 |
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(国防科技大学 理学院，湖南 长沙 410073)
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| 摘要: |
| 对二维Euler方程给出一个二阶精度的非结构网格有限体积方法，方法的主要思想是把Euler方程的一个时间步分两步计算：第一步只考虑压力加速效应，第二步再考虑输运效应，离散过程中采用一种具有最小二乘思想的线性重构函数以计算交界面的流通量，数值实验表明该方法是非常有效的。 |
| 关键词: 非结构网格 大粒子方法 有限体积方法 |
| DOI： |
| 投稿日期：2004-02-20 |
| 基金项目:国家自然科学基金资助项目(10001038)；国防科技大学基础研究资助项目 |
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| A Large Particle Finite Volume Scheme on Two Dimension Unstructured Meshes |
| LIU Cui, CHENG Lizhi |
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(College of Science, National Univ. of Defense Technology, Changsha 410073，China)
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| Abstract: |
| We have constructed a second order accuracy finite volume scheme on Euler equations, the new scheme consist of two steps for each time step: the first step we take into account the effects of acceleration caused by pressure gradients, and the second step transport effects are computed. A non-oscillatory linear reconstruction of flow variables is applied, the result of numerical experiment is satisfactory. |
| Keywords: unstructured mesh large particle finite volume scheme |
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