Abstract
A parametric meshing technique is presented. Its distinctive feature relies on approximating the CAD geometry through a hierarchical process where information is gradually gathered. It leads to a robust and high quality mesh for CAD geometries. Emphasis is put on the use of three dimensional information. Limitations of parametric plane meshing is also highlighted. Zero and first order surface approximations are commented, and parametric mesh generation techniques are compared. In the context of the DOD CREATE-MG project, different CAD kernels and meshers communicate through application programming interfaces (API) as plugins. The parametric mesher is coupled to the CAD through the Capstone API’s and is independent of a particular CAD kernel. Numerous examples illustrate the method ’s capabilities.
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