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首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >MAGG - A MULTIZONE ADAPTIVE GRID-GENERATION TECHNIQUE FOR SIMULATION OF MOVING AND FREE BOUNDARY PROBLEMS
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MAGG - A MULTIZONE ADAPTIVE GRID-GENERATION TECHNIQUE FOR SIMULATION OF MOVING AND FREE BOUNDARY PROBLEMS

机译：MAGG-一种模拟运动和自由边界问题的多区域自适应网格生成技术

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In this article, the formulation of a multizone adaptive grid generation technique (MAGG) is presented. The MAGG technique is developed for efficient simulations of various transport phenomena occurring on irregularly shaped domains, and in regions with moving and/or free boundaries. Utilizing a variational optimization approach, MAGG provides boundary-fitting capability, and discretionary control over grid distribution, as well as local and global orthogonality. MAGG permits the problem domain to consist of different zones, with curvilinear zonal boundaries that may move (due to change of phase or chemical reaction) with time. As such, it may be made to distribute the grid nodes adaptively in response to the development of the solution (being done on the grid), and according to the evolution of the problem domain or motion of its boundaries. Results of numerical simulations of a few practical examples in materials processing are presented to demonstrate these features. [References: 23]
机译：在本文中，提出了一种多区域自适应网格生成技术（MAGG）的公式。 MAGG技术被开发用于有效模拟在不规则形状的区域以及具有移动边界和/或自由边界的区域中发生的各种传输现象。利用变分优化方法，MAGG提供了边界拟合功能，可以自由控制网格分布以及局部和全局正交性。 MAGG允许问题域由不同的区域组成，曲线的区域边界可能随时间变化（由于相或化学反应的变化）。这样，可以响应于解决方案的发展（在网格上完成）并根据问题域的演变或其边界运动来自适应地分布网格节点。给出了材料加工中一些实际例子的数值模拟结果，以证明这些特征。 [参考：23]

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