[MITgcm-support] [EXTERNAL] viscA4Dfile in adjoint

[Wang, Ou (US 329B)]

Hello,

You would specify 3D lateral and vertical biharmonic viscosity at each model grid and save them to viscA4Dfile/viscA4Zfile.

Best,
Ou Wang

From: MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of dong.jian at studium.uni-hamburg.de <dong.jian at studium.uni-hamburg.de>
Date: Monday, April 10, 2023 at 2:03 AM
To: mitgcm-support at mitgcm.org <mitgcm-support at mitgcm.org>
Subject: [EXTERNAL] [MITgcm-support] viscA4Dfile in adjoint
Hi, MITgcm users
I wanted to increase viscosity in an adjoint run by setting up
viscFacInAd in data.autodiff, and then I was asked to specify
viscA4Dfile/viscA4Zfile in data. Could any tell me how to have
viscA4Dfile?? below is the info written in the manual, but I do not
know how to generate it.

Best,
Dong




viscA4Dfile

PARM05

' '

filename for 3D specification of lateral biharmonic viscosity
(divergence part) (m4/s); requires #define ALLOW_3D_VISCA4 in
pkg/mom_common/MOM_COMMON_OPTIONS.h

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