AMRA: An adaptive mesh refinement hydrodynamic code for astrophysics. Implementation details and test cases of a newly developed hydrodynamics code, AMRA, are presented. The numerical scheme exploits the adaptive mesh refinement technique coupled to modern high-resolution schemes which are suitable for relativistic and non-relativistic flows. Various physical processes are incorporated using the operator splitting approach, and include self-gravity, nuclear burning, physical viscosity, implicit and explicit schemes for conductive transport, simplified photoionization, and radiative losses from an optically thin plasma. Several aspects related to the accuracy and stability of the scheme are discussed in the context of hydrodynamic and astrophysical flows.
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References in zbMATH (referenced in 4 articles , 1 standard article )
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- Plewa, T.; Müller, E.: AMRA: An adaptive mesh refinement hydrodynamic code for astrophysics (2001)