Sensitivity of Simulations of Double Detonation Type Ia Supernova to Integration Methodology
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866913263760965632 |
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| author | Zingale, Michael Chen, Zhi Rasmussen, Melissa Polin, Abigail Katz, Max Clark, Alexander Smith Johnson, Eric T. |
| author_facet | Zingale, Michael Chen, Zhi Rasmussen, Melissa Polin, Abigail Katz, Max Clark, Alexander Smith Johnson, Eric T. |
| contents | We study the coupling of hydrodynamics and reactions in simulations of the double detonation model for Type Ia supernovae. When assessing the convergence of simulations, the focus is usually on spatial resolution; however, the method of coupling the physics together as well as the tolerances used in integrating a reaction network also play an important role. In this paper, we explore how the choices made in both coupling and integrating the reaction portion of a simulation (operator / Strang splitting vs.\ the simplified spectral deferred corrections method we introduced previously) influences the accuracy, efficiency, and the nucleosynthesis of simulations of double detonations. We find no need to limit reaction rates or reduce the simulation timestep to the reaction timescale. The entire simulation methodology used here is GPU-accelerated and made freely available as part of the Castro simulation code. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_01802 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Sensitivity of Simulations of Double Detonation Type Ia Supernova to Integration Methodology Zingale, Michael Chen, Zhi Rasmussen, Melissa Polin, Abigail Katz, Max Clark, Alexander Smith Johnson, Eric T. High Energy Astrophysical Phenomena Solar and Stellar Astrophysics We study the coupling of hydrodynamics and reactions in simulations of the double detonation model for Type Ia supernovae. When assessing the convergence of simulations, the focus is usually on spatial resolution; however, the method of coupling the physics together as well as the tolerances used in integrating a reaction network also play an important role. In this paper, we explore how the choices made in both coupling and integrating the reaction portion of a simulation (operator / Strang splitting vs.\ the simplified spectral deferred corrections method we introduced previously) influences the accuracy, efficiency, and the nucleosynthesis of simulations of double detonations. We find no need to limit reaction rates or reduce the simulation timestep to the reaction timescale. The entire simulation methodology used here is GPU-accelerated and made freely available as part of the Castro simulation code. |
| title | Sensitivity of Simulations of Double Detonation Type Ia Supernova to Integration Methodology |
| topic | High Energy Astrophysical Phenomena Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2309.01802 |