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AMReX-Astro / Emu

Emu is a neutrino quantum kinetics simulation code based on the particle in cell method and parallelized for CPU or GPU supercomputing architectures.
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Implement error-based adaptive timestepping #58

Open dwillcox opened 3 years ago

dwillcox commented 3 years ago

Adapt the timestep to the current error estimate, perhaps taking a min of the adaptive timestep and the timestep determined from the neutrino potential as in #57

We could use, e.g. RK45 or Richardson extrapolation.