Data-Driven POD-Galerkin Reduced Order Model for Turbulent Flows
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2019
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| Acceso en línea: | |
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| _version_ | 1866909940533166080 |
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| author | Hijazi, Saddam Stabile, Giovanni Mola, Andrea Rozza, Gianluigi |
| author_facet | Hijazi, Saddam Stabile, Giovanni Mola, Andrea Rozza, Gianluigi |
| contents | In this work we present a Reduced Order Model which is specifically designed to deal with turbulent flows in a finite volume setting. The method used to build the reduced order model is based on the idea of merging/combining projection-based techniques with data-driven reduction strategies. In particular, the work presents a mixed strategy that exploits a data-driven reduction method to approximate the eddy viscosity solution manifold and a classical POD-Galerkin projection approach for the velocity and the pressure fields, respectively. The newly proposed reduced order model has been validated on benchmark test cases in both steady and unsteady settings with Reynolds up to Re=O(10^5). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1907_09909 |
| institution | arXiv |
| publishDate | 2019 |
| record_format | arxiv |
| spellingShingle | Data-Driven POD-Galerkin Reduced Order Model for Turbulent Flows Hijazi, Saddam Stabile, Giovanni Mola, Andrea Rozza, Gianluigi Numerical Analysis Computational Engineering, Finance, and Science 78M34, 97N40, 35Q35 In this work we present a Reduced Order Model which is specifically designed to deal with turbulent flows in a finite volume setting. The method used to build the reduced order model is based on the idea of merging/combining projection-based techniques with data-driven reduction strategies. In particular, the work presents a mixed strategy that exploits a data-driven reduction method to approximate the eddy viscosity solution manifold and a classical POD-Galerkin projection approach for the velocity and the pressure fields, respectively. The newly proposed reduced order model has been validated on benchmark test cases in both steady and unsteady settings with Reynolds up to Re=O(10^5). |
| title | Data-Driven POD-Galerkin Reduced Order Model for Turbulent Flows |
| topic | Numerical Analysis Computational Engineering, Finance, and Science 78M34, 97N40, 35Q35 |
| url | https://arxiv.org/abs/1907.09909 |