Abstract
This paper presents an automatic approach to generate unstructured tetrahedral meshes in the context of composite or heterogeneous geometry. Using B-Rep concepts and specific adaptations of advancing front mesh generation algorithms, this approach guarantees, in a simple and natural way, mesh continuity and conformity across the interior boundaries of a composite domain. This method presents a great potential in various fields of application such as finite element simulations (in the case of heterogeneous materials and assemblies for example), animation and visualization (medical imaging for example). After a description of the approach and its context, the paper presents a potential application in the specific domain of topology optimization.
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