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AN A PRIORI ADAPTIVE 3D ADVANCING FRONT MESH GENERATOR INTEGRATED TO SOLID MODELING

机译:与实体建模集成的先验自适应3D先进前网格生成器

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摘要

We have developed the nodal pre-optimization concept in the context of our work on finite element analysis and CAD/CAM integration. This concept consists in deriving from all engineering data (geometric features, discretization error, boundary conditions, materials and physical constants) a nodal density map for automatic mesh generation. Nevertheless, this concept can only be applied if a mesh generator is able to satisfy precisely the density map mentioned above. This is the reason why we have developed a 3D automatic mesh generator based on advancing front techniques, featuring a strong ability to respect an imposed variable density map. After a brief description of the process, we introduce new parameters related to the density map respect. A set of applications of the concept to industrial mechanical parts are also presented in the paper.
机译:在我们进行有限元分析和CAD / CAM集成的工作中,我们已经开发了节点预优化概念。该概念包括从所有工程数据(几何特征,离散化误差,边界条件,材料和物理常数)得出用于自动网格生成的节点密度图。但是,只有在网格生成器能够精确满足上述密度图的情况下,才能应用此概念。这就是为什么我们基于先进的前端技术开发3D自动网格生成器的原因,该技术具有很强的遵守所施加的可变密度贴图的能力。在简要描述过程之后,我们介绍了与密度图方面有关的新参数。本文还介绍了该概念在工业机械零件中的一系列应用。

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