Adaptive (error-controlled) timestep for the MetSim erosion model (on by default) - #86

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dvida wants to merge 17 commits into

metsim-adaptive-dt

Commits on Jul 21, 2026

Add opt-in adaptive (error-controlled) timestep to the MetSim erosion model

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064dc24

Commits on Jul 22, 2026

Improve adaptive-dt GUI: relocate checkbox, add rtol input

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aaef671
Adjust adaptive-dt GUI layout; fix Qt6-scoped enums; expand rtol tooltip

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289666c
Fix adaptive-step luminosity: use drag-only deceleration, not net dv

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8b58cdf
Harden GUI against degenerate simulations (no more core dump)

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8b3d3cb
Adaptive stepper review fixes: warm-start, going-up consistency, floor diagnostic

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0619a75
Add embedded Dormand-Prince RK45 adaptive stepper (~3-4x faster)

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22d868a
Document adaptive-stepper functions (wmpl-style docstrings) + cleanup

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560413a
Decouple grain-release cadence from dt via erosion_release_length

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21b4ab8
Make adaptive timestep the default (adaptive_dt=True, rtol=1e-4)

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86ac493
Keep adaptive rtol default at 1e-5

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267cf47
Make grain-release cadence tunable + velocity-scaled (bounds fast-meteor cost)

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75dd796

Commits on Jul 23, 2026

Normalize GUI.ui Qt6 enum scoping back to Qt5 form for PyQt5 loadUi

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a1f6054
Raise default grain-release length 50 m -> 200 m

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2c475e1
Read adaptive/grain params straight from const (drop duplicated defaults)

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932f8b7
Style: match codebase conventions in new adaptive-stepper code

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a053a41
Merge remote-tracking branch 'origin/master' into metsim-adaptive-dt
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6339edb