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SSA convergence based on change of norm #469

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Hallberg-NOAA merged 1 commit into
NOAA-GFDL:dev/gfdlfrom
alex-huth:IS_converge_crit
Oct 11, 2023
Merged

SSA convergence based on change of norm #469
Hallberg-NOAA merged 1 commit into
NOAA-GFDL:dev/gfdlfrom
alex-huth:IS_converge_crit

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Added an option NONLIN_SOLVE_ERR_MODE=3 to check for convergence of the ice shelf SSA solution by testing the change of norm, i.e. 2*abs(|u_{t}|-|u_{t-1}|) / (|u_{t}|+|u_{t-1}|)

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codecov Bot commented Aug 24, 2023

Codecov Report

Merging #469 (ffbd5fb) into dev/gfdl (41609c2) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

❗ Current head ffbd5fb differs from pull request most recent head a1313aa. Consider uploading reports for the commit a1313aa to get more accurate results

@@             Coverage Diff              @@
##           dev/gfdl     #469      +/-   ##
============================================
- Coverage     37.81%   37.80%   -0.02%     
============================================
  Files           270      270              
  Lines         78381    78403      +22     
  Branches      14515    14521       +6     
============================================
- Hits          29639    29638       -1     
- Misses        43339    43361      +22     
- Partials       5403     5404       +1     
Files Coverage Δ
src/ice_shelf/MOM_ice_shelf_dynamics.F90 0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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Added an option NONLIN_SOLVE_ERR_MODE=3 to check for convergence of the ice shelf SSA solution by testing the change of norm, i.e. 2*abs(|u_{t}|-|u_{t-1}|) / (|u_{t}|+|u_{t-1}|)
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I have examined these changes, and they look correct to me.

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This PR has passed pipeline testing at https://gitlab.gfdl.noaa.gov/ogrp/MOM6/-/pipelines/20897.

@Hallberg-NOAA Hallberg-NOAA merged commit 2ac48a6 into NOAA-GFDL:dev/gfdl Oct 11, 2023
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