Hexahedral Mesh Improvement Algorithm(<Special Issue>the Latest Frontiers of CAD/CAE/CG)

概要

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In this paper, we present a novel method, based on an implementation of quasi-statistical modeling, for improving hexahedral solid mesh. A method for improving meshes by producing elements with a Gaussian (normal) distribution of the mesh quality parameter values is discussed. The main intention is to attain a fairly smooth change from one mesh element to another without creating a significant difference between the shapes of neighboring elements. As regards the initial distribution of the mesh quality parameter values, we assume that after improvement the distribution varies from a rather random distribution to a smoother one, such as a normal distribution. The preliminary choice of the desirable distribution affects the new parameter values modeled by the formula presented here. Our proposed method can be used in a pre-processing stage for subsequent studies (finite element analysis, computer graphics, etc.) by providing better input parameters for these processes. Experimental results are included to demonstrate the functionality of our method.
一般社団法人日本機械学会の論文
2005-06-15