PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces
<p>Sealed geological models are commonly used as an input to process simulations, for example, in hydrogeological or geomechanical studies. Creating these meshes often requires tedious manual work, and it is therefore difficult to adjust a once-created model. In this work, we propose a flexibl...
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2023-06-01
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| Series: | Geoscientific Model Development |
| Online Access: | https://gmd.copernicus.org/articles/16/3565/2023/gmd-16-3565-2023.pdf |
| _version_ | 1797793849463013376 |
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| author | M. Moulaeifard S. Bernard F. Wellmann |
| author_facet | M. Moulaeifard S. Bernard F. Wellmann |
| author_sort | M. Moulaeifard |
| collection | DOAJ |
| description | <p>Sealed geological models are commonly used as an input to process
simulations, for example, in hydrogeological or geomechanical studies.
Creating these meshes often requires tedious manual work, and it is
therefore difficult to adjust a once-created model. In this work, we
propose a flexible framework to create and interact with geological models
using explicit surface representations. The essence of the work lies in the
determination of the control mesh and the definition of semi-sharp-crease
values, which, in combination, enable the representation of complex
structural settings with a low number of control points. We achieve this
flexibility through the adaptation of recent algorithms from the field of
computer graphics to the specific requirements of geological modeling,
specifically the representation of non-manifold topologies and sharp
features. We combine the method with a particle swarm optimization (PSO)
approach to enable the automatic optimization of vertex position and crease
sharpness values. The result of this work is implemented in an open-source
software (PySubdiv) for reconstructing geological structures while resulting
in a model which is (1) sealed/watertight, (2) controllable with a control
mesh and (3) topologically similar to the input geological structure. Also,
the reconstructed model may include a lower number of vertices compared to
the input geological structure, which results in reducing the cost of
modeling and simulation. In addition to enabling a manual adjustment of
sealed geological models, the algorithm also provides a method for the
integration of explicit surface representations in inverse frameworks and
the consideration of uncertainties.</p> |
| first_indexed | 2024-03-13T02:54:12Z |
| format | Article |
| id | doaj.art-20663cf02f504caf88e931a83c749a37 |
| institution | Directory Open Access Journal |
| issn | 1991-959X 1991-9603 |
| language | English |
| last_indexed | 2024-03-13T02:54:12Z |
| publishDate | 2023-06-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Geoscientific Model Development |
| spelling | doaj.art-20663cf02f504caf88e931a83c749a372023-06-28T07:11:06ZengCopernicus PublicationsGeoscientific Model Development1991-959X1991-96032023-06-01163565357910.5194/gmd-16-3565-2023PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfacesM. MoulaeifardS. BernardF. Wellmann<p>Sealed geological models are commonly used as an input to process simulations, for example, in hydrogeological or geomechanical studies. Creating these meshes often requires tedious manual work, and it is therefore difficult to adjust a once-created model. In this work, we propose a flexible framework to create and interact with geological models using explicit surface representations. The essence of the work lies in the determination of the control mesh and the definition of semi-sharp-crease values, which, in combination, enable the representation of complex structural settings with a low number of control points. We achieve this flexibility through the adaptation of recent algorithms from the field of computer graphics to the specific requirements of geological modeling, specifically the representation of non-manifold topologies and sharp features. We combine the method with a particle swarm optimization (PSO) approach to enable the automatic optimization of vertex position and crease sharpness values. The result of this work is implemented in an open-source software (PySubdiv) for reconstructing geological structures while resulting in a model which is (1) sealed/watertight, (2) controllable with a control mesh and (3) topologically similar to the input geological structure. Also, the reconstructed model may include a lower number of vertices compared to the input geological structure, which results in reducing the cost of modeling and simulation. In addition to enabling a manual adjustment of sealed geological models, the algorithm also provides a method for the integration of explicit surface representations in inverse frameworks and the consideration of uncertainties.</p>https://gmd.copernicus.org/articles/16/3565/2023/gmd-16-3565-2023.pdf |
| spellingShingle | M. Moulaeifard S. Bernard F. Wellmann PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces Geoscientific Model Development |
| title | PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces |
| title_full | PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces |
| title_fullStr | PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces |
| title_full_unstemmed | PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces |
| title_short | PySubdiv 1.0: open-source geological modeling and reconstruction by non-manifold subdivision surfaces |
| title_sort | pysubdiv 1 0 open source geological modeling and reconstruction by non manifold subdivision surfaces |
| url | https://gmd.copernicus.org/articles/16/3565/2023/gmd-16-3565-2023.pdf |
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