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首页> 外文期刊>International Journal for Numerical Methods in Fluids >Structured mesh generation with smoothness controls
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Structured mesh generation with smoothness controls

机译:具有平滑度控制的结构化网格生成

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摘要

In geometrically complex domains, the Ryskin and Leal (RL) orthogonal mesh generation system may cause mesh distortion and overlapping problems when using the 'weak constraint' method with specified boundary point distribution for all boundaries. To resolve these problems, an improved RL system with automatic smoothness control is proposed. In this improved RL system, the automatic smoothness control mechanism is based on five types of smoothness conditions and includes the self-adjustment mechanism and the auto-evaluation mechanism for an empirical parameter. The proposed system is illustrated using several test examples. Several applications to natural domains are also demonstrated. It is shown that the improved RL system is capable of resolving the above problems at little cost of orthogonality. Copyright (c) 2006 John Wiley & Sons, Ltd.
机译:在几何复杂的区域中,当对所有边界使用具有指定边界点分布的“弱约束”方法时,Ryskin和Leal(RL)正交网格生成系统可能会导致网格变形和重叠问题。为了解决这些问题,提出了一种具有自动平滑控制的改进的RL系统。在此改进的RL系统中,自动平滑度控制机制基于五种类型的平滑度条件,并且包括针对经验参数的自我调整机制和自动评估机制。使用几个测试示例对提出的系统进行了说明。还展示了对自然域的几种应用。结果表明,改进的RL系统能够以很少的正交性代价解决上述问题。版权所有(c)2006 John Wiley&Sons,Ltd.

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