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《AERONAUTICAL COMPUTER TECHNIQUE》 1998-01
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The Method Investigation in Unstructured Grid Generation Technique

Ye Zhengyin; Yang Yongnian; Zhong Chengwen(Aircraft Department, Northwestern Polytechnical University,Xi'an 710072)  
The potential induced by a few sources and sinks is used in present paper to control the grid stretching in unstructured grid generation. After the inter and outer boundaries are divided into the expected elements and a certain number of point sources and line sources are distributed in the field, the strengths of the sources are determined by the least-square method so that the potential distribution on the inter boundary is inversely proportional to the element size.Then, the potential induced by the sources is used to supply with the background information needed in Advancing Front method. The grids around different complex configurations are generated by present method, and the method is shown to be effective and efficient.
【CateGory Index】: V211
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