tetrahedral mesh generation - robustness test

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Tetrahedral mesh generation Robustness test Schlumberger public 1

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Page 1: Tetrahedral mesh generation - robustness test

Schlumberger public 1

Tetrahedral mesh generation

Robustness test

Page 2: 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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Page 3: Tetrahedral mesh generation - robustness test

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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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Page 9: Tetrahedral mesh generation - robustness test

9Tetrahedral mesh containing fractures, faults and horizons

Behind the scene – Tetrahedral Mesh Generation

[Upper layer hidden (transparent)]

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