tetrahedral mesh generation - robustness test
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Schlumberger public 1
Tetrahedral mesh generation
Robustness test
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Behind the scene – Tetrahedral Mesh Generation
• Maybe the only volume representation that can: Be used as a support for dynamic computations/processings Capture the full complexity of a geological model Be easily locally/globally adapted to a given problem
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Behind the scene – Tetrahedral Mesh Generation
Fine grained control of mesh anisotropy and heterogeneity
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532 random fractures, 3 faults
Behind the scene – Tetrahedral Mesh Generation
Unstructured mesh generation robustness test
Input data
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Behind the scene – Tetrahedral Mesh Generation
Random angles, random intersections
No preprocessing of input data
Input data
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Unstructured mesh construction
~300kelements
Behind the scene – Tetrahedral Mesh Generation
A large majority of elements have a nice shape/aspect ratio
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Behind the scene – Tetrahedral Mesh Generation
Unstructured mesh construction
All fractures are represented by triangular facets in the mesh
[Solid slice through the mesh]
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Behind the scene – Tetrahedral Mesh Generation
Unstructured mesh construction
Integrating fauted horizon surfaces into the mesh
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9Tetrahedral mesh containing fractures, faults and horizons
Behind the scene – Tetrahedral Mesh Generation
[Upper layer hidden (transparent)]
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