Topological Invariants in the Pore Morphology Method
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866912553972531200 |
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| author | Alonso-Marroquin, Fernando |
| author_facet | Alonso-Marroquin, Fernando |
| contents | This study introduces a pore morphology algorithm that emphasizes the central role of topology in multiphase flow through porous media. Analysis of drainage in lattice-based pore networks identifies two key quantities, the percolation threshold and residual saturation, as topological invariants. These descriptors, which are based solely on connectivity rather than geometric details, capture the essential structure of the network. The percolation threshold is interpreted as a topological phase transition, marking the transition from global connectivity of the defending fluid to isolated clusters of trapped fluid. The universality of scaling exponents across different lattice geometries reveals the existence of topological universality classes, where systems with equivalent connectivity display identical critical behavior. This topological framework underscores the robustness of the identified invariants and provides a general basis for upscaling pore-scale processes in complex media. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_19100 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Topological Invariants in the Pore Morphology Method Alonso-Marroquin, Fernando Statistical Mechanics This study introduces a pore morphology algorithm that emphasizes the central role of topology in multiphase flow through porous media. Analysis of drainage in lattice-based pore networks identifies two key quantities, the percolation threshold and residual saturation, as topological invariants. These descriptors, which are based solely on connectivity rather than geometric details, capture the essential structure of the network. The percolation threshold is interpreted as a topological phase transition, marking the transition from global connectivity of the defending fluid to isolated clusters of trapped fluid. The universality of scaling exponents across different lattice geometries reveals the existence of topological universality classes, where systems with equivalent connectivity display identical critical behavior. This topological framework underscores the robustness of the identified invariants and provides a general basis for upscaling pore-scale processes in complex media. |
| title | Topological Invariants in the Pore Morphology Method |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2502.19100 |