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Adaptive time-stepping #134

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navidcy opened this issue Dec 25, 2019 · 2 comments
Open

Adaptive time-stepping #134

navidcy opened this issue Dec 25, 2019 · 2 comments
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@glwagner
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@navidcy
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navidcy commented Dec 25, 2019

It would be very nice if we could do that. How feasible is it?
Or course it would, in practice, only work with the explicit one time-steppers (ForwardEuler, AB3 and RK4)
@glwagner
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We can implement it with every stepper, though as you allude to changing the time step in ETDRK4 would require recomputing coefficients. I suppose what we need is to design a flexible abstraction that works for many types of problems.

@dkarrasch
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Have you considered OrdinaryDiffEq.jl for time-stepping? They have many solvers with adaptivity, and some with GPU-compatibility, though I haven't kept myself up-to-date recently.

@JamieJQuinn JamieJQuinn mentioned this issue Sep 8, 2021
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@navidcy @glwagner @dkarrasch