Document detail
ID
oai:arXiv.org:2412.00758
Topic
Astrophysics - Astrophysics of Gal... Astrophysics - Instrumentation and... Astrophysics - Solar and Stellar A... Computer Science - Machine Learnin...Author
Vermariën, Gijs Viti, Serena Ravichandran, Rahul Bisbas, Thomas G.Category
sciences: astrophysics
Year
2024
listing date
12/4/2024
Keywords
regions models dataset astrophysicsAbstract
We present a novel dataset of simulations of the photodissociation region (PDR) in the Orion Bar and provide benchmarks of emulators for the dataset.
Numerical models of PDRs are computationally expensive since the modeling of these changing regions requires resolving the thermal balance and chemical composition along a line-of-sight into an interstellar cloud.
This often makes it a bottleneck for 3D simulations of these regions.
In this work, we provide a dataset of 8192 models with different initial conditions simulated with 3D-PDR.
We then benchmark different architectures, focusing on Augmented Neural Ordinary Differential Equation (ANODE) based models (Code be found at https://github.com/uclchem/neuralpdr).
Obtaining fast and robust emulators that can be included as preconditioners of classical codes or full emulators into 3D simulations of PDRs.
;Comment: Accepted to NeurIPS Machine Learning and the Physical Sciences Workshop 2024
Vermariën, Gijs,Viti, Serena,Ravichandran, Rahul,Bisbas, Thomas G., 2024, 3D-PDR Orion dataset and NeuralPDR: Neural Differential Equations for Photodissociation Regions
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