ENHANCE-4_Jerome_freesurface

Summary

Action	ENHANCE-4_Jerome_freesurface
PI(S)	Jérôme Chanut
Digest	Improve split-explicit free surface: Tracer conservation issues (all time splitting options do not ensure global and local tracer conservation) Missing correction terms in the barotropic equations relative to internal pressure gradients. This would reduce mode splitting error, hence improve stability Work on the stability of barotropic time stepping (based on INRIA's work) to possibly remove time filtering of barotropic variables. This would limit the temporal dissipation and greatly ease online coupling of nested domains at barotropic level (with AGRIF).
Dependencies	New time stepping implementation
Target	started
Trac Ticket	#1959
SVN branch	branches/2017/dev_r8624_ENHANCE4_FREESURFACE/
Previewer(s)	Gurvan Madec
Reviewer(s)	TBD
Status	In progress: an implementation exists
Link	ExtractUrl(.)?

Abstract

This section should be completed before starting to develop the code, in order to find agreement on the method beforehand.

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Once the PI has completed this section, he should send a mail to the previewer(s) asking them to preview the work within two weeks.

Preview

Since the preview step must be completed before the PI starts the coding, the previewer(s) answers are expected to be completed within the two weeks after the PI has sent his request.
For each question, an iterative process should take place between PI and previewer(s) in order to reach a "YES" answer for each of the following questions.

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Once all "YES" have been reached, the PI can start the development into his development branch.

Tests

Once the development is done, the PI should complete this section below and ask the reviewers to start their review in the lower section.

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Review

A successful review is needed to schedule the merge of this development into the future NEMO release during next Merge Party (usually in November).

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Once review is successful, the development must be scheduled for merge during next Merge Party Meeting.