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Fixes MPAS-Ocean Richardson number calculation #5946

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vanroekel
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@vanroekel vanroekel commented Sep 21, 2023

This changes the calculation of the gradient and bulk richardson numbers to utilize the normal and tangential velocities to avoid the factor of two issue and also fixes a number of places where the loop was over maxLevelCell and should have been to maxLevelEdgeTop.

Testing is documented in -- E3SM-Ocean-Discussion#66

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vanroekel and others added 6 commits September 21, 2023 16:22
This changes the calculation of the gradient and bulk richardson numbers
to utilize the normal and tangential velocities to avoid the factor of
two issue and also fixes a number of places where the loop was over
maxLevelCell and should have been to maxLevelEdgeTop
@mark-petersen
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Three ocean PRs were merged locally and pass the nightly test suite, as described in #5945 (comment).

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I carefully reviewed the code and the simulation results. This is a straightforward substitution, from delU2=normalVelocity**2 to delU2=normalVelocity**2 + tangentialVelocity**2. I agree with these changes.

@rljacob rljacob added this to the v3.0alpha05 milestone Oct 12, 2023
jonbob added a commit that referenced this pull request Oct 24, 2023
… next (PR #5946)

Fixes MPAS-Ocean Richardson number calculation

This changes the calculation of the gradient and bulk richardson numbers
to utilize the normal and tangential velocities to avoid the factor of
two issue and also fixes a number of places where the loop was over
maxLevelCell and should have been to maxLevelEdgeTop.

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@jonbob
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jonbob commented Oct 24, 2023

merged to next

jonbob added a commit that referenced this pull request Oct 25, 2023
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jonbob commented Oct 25, 2023

Re-merged to next after fix for threading issues

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jonbob commented Oct 26, 2023

@philipwjones -- if you get a chance, could you please check the acc update I made in the last commit?

@jonbob jonbob merged commit 510fca6 into E3SM-Project:master Oct 26, 2023
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jonbob commented Oct 26, 2023

merged to master

xylar added a commit to xylar/compass that referenced this pull request Dec 3, 2023
This merge updates the E3SM-Project submodule from [894b5b2](https://github.com/E3SM-Project/E3SM/tree/894b5b2) to [5d5f15c](https://github.com/E3SM-Project/E3SM/tree/5d5f15c).

This update includes the following MPAS-Ocean and MPAS-Frameworks PRs (check mark indicates bit-for-bit with previous PR in the list):
- [ ]  (ocn) E3SM-Project/E3SM#5945
- [ ]  (ocn) E3SM-Project/E3SM#5946
- [ ]  (ocn) E3SM-Project/E3SM#5947
- [ ]  (ocn) E3SM-Project/E3SM#5999
- [ ]  (ocn) E3SM-Project/E3SM#6037
- [ ]  (ocn) E3SM-Project/E3SM#5989
- [ ]  (ocn) E3SM-Project/E3SM#6035
- [ ]  (ocn) E3SM-Project/E3SM#6077
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4 participants