Tetrahedral mesh generation based on advancing front technique and optimization scheme

Abstract

In recent years, demand for three-dimensional simulations has continued to grow in the field of computer-aided engineering. Especially, in the analysis of forming processes a fully automatic and robust mesh generator is necessary for handling complex geometries used in industry. For three-dimensional analyses, tetrahedral elements are commonly used due to the advantage in dealing with such geometries. In this study, the advancing front technique has been implemented and modified using an optimization scheme. In this optimization scheme, the distortion metric determines 'when and where' to smooth, and serves as an objective function. As a result, the performance of the advancing front technique is improved in terms of mesh quality generated. Copyright (C) 2003 John Wiley Sons, Ltd.