| 颗粒流体系统Euler/Lagrange模型中自适应三角网格的生成 |
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| 引用本文： | 欧阳洁,高健.颗粒流体系统Euler/Lagrange模型中自适应三角网格的生成[J].工程数学学报,2006,23(4):671-677. |
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| 作者姓名： | 欧阳洁 高健 |
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| 作者单位： | 西北工业大学应用数学系,西安,710072;中国科学院过程工程研究所多相反应开放研究实验室,北京,100080;中国科学院过程工程研究所多相反应开放研究实验室,北京,100080 |
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| 摘 要： | 针对二维颗粒流体系统Euler／Lagrange模型的有限元模拟,建立了三角网格生成的自适应算法。该算法能够根据颗粒分布与颗粒大小自适应地调整网格的疏密程度,使其网格密度在系统边界附近及颗粒边缘附近较大,而在其它地方较小。与此同时,网格的光滑化也提高了网格质量, 从而为颗粒流体系统介观尺度的有限元模拟奠定了基础。
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| 关 键 词： | 颗粒流体系统 网格生成 自适应 |
| 文章编号： | 1005-3085(2006)04-0671-07 |
| 收稿时间： | 2004-07-01 |
| 修稿时间： | 2004年7月1日 |
Generation of Self-adaptive Triangle Meshes for The Euler/Lagrange Model of Particle-fluid Systems |
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| OUYANG Jie,GAO Jian.Generation of Self-adaptive Triangle Meshes for The Euler/Lagrange Model of Particle-fluid Systems[J].Chinese Journal of Engineering Mathematics,2006,23(4):671-677. |
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| Authors: | OUYANG Jie GAO Jian |
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| Abstract: | The self-adaptive algorithm for generating triangle meshes has been proposed for simulating the behaviors of particle-fluid system by the finite element method based on the Euler/Lagrange model. The algorithm can adjust automatically meshes consistent with particle distribution and particle diameter. The self-adaptive produced meshes are dense near both particles and boundary, while they are sparse in other places. Moreover, the smoothness of grids improves the quality of meshes so that they can be used for calculating the flow of particle-fluid system by finite element method. |
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| Keywords: | particle-fluid system mesh generation self-adaptive |
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