FEATURE-BASED MULTIBLOCK FINITE ELEMENT MESH GENERATION.

FEATURE-BASED MULTIBLOCK FINITE ELEMENT MESH GENERATION.
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DOI:
10.1016/j.cad.2010.07.005
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发表时间:
2010-12-01
期刊:
Computer aided design
影响因子:
--
通讯作者:
Grosland NM
Grosland NM
中科院分区:
其他
文献类型:
--
作者:
Shivanna KH;Tadepalli SC;Grosland NM

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用于解剖结构和生物医学植入物的六面体有限元网格开发可能很麻烦。此外,使用传统的网格划分技术,可能无法充分捕获详细特征。在本文中,我们描述了处理多特征数据集(即特征边缘和表面)的方法。将多特征信息与多块网格划分技术相结合,可以轻松对解剖结构以及骨科植入物进行网格划分。此外,投影过程、节点和元素集创建都是自动化的,从而减少了模型开发过程中的用户交互。为了提高网格质量,基于拉普拉斯和优化的网格改进算法已适应多特征数据集。
Hexahedral finite element mesh development for anatomic structures and biomedical implants can be cumbersome. Moreover, using traditional meshing techniques, detailed features may be inadequately captured. In this paper, we describe methodologies to handle multi-feature datasets (i.e., feature edges and surfaces). Coupling multi-feature information with multiblock meshing techniques has enabled anatomic structures, as well as orthopaedic implants, to be readily meshed. Moreover, the projection process, node and element set creation are automated, thus reducing the user interaction during model development. To improve the mesh quality, Laplacian- and optimization-based mesh improvement algorithms have been adapted to the multi-feature datasets.
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