Search found 16 matches

by lfelipem
Fri Apr 10, 2026 6:09 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Thanks, Raquel.

I imagine it was a lot of work to switch my two servers to the Intel system, but honestly, it was the best choice.

Thanks—that’s a valuable tip.

All the best
by lfelipem
Wed Apr 08, 2026 11:32 am
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Dear all,

Thank you very much for your suggestions and for the time you devoted to helping me with this issue.

I would especially like to thank Ann for the very precise and decisive recommendation to install and use an Intel compiler instead of gfortran. In my experience, gfortran works well for ...
by lfelipem
Sun Mar 29, 2026 12:04 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Thank you, my friends,

Things are pretty hectic here, but I’m going to try to switch to ifort since I can get an academic license as a university professor.

I’ll reply to this thread as soon as I get a chance.

Best regards
by lfelipem
Fri Mar 27, 2026 8:24 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Hi Hernan,
Thank you very much for the clarification. I completely understand your point.
I was not trying to challenge your view regarding gfortran. What I meant is simply that I had been using gfortran successfully for runs without 4D-Var, where things were working normally for my application. I ...
by lfelipem
Fri Mar 27, 2026 6:56 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Good afternoon, Arango, thank you for your quick reply.

I use gfortran with ROMS without any problems. But I’m going to test ifort and see if it can solve the problem. I’m setting up my machine for that right now.

As for memory, I’ve been monitoring it with htop, and it doesn’t even come close to ...
by lfelipem
Fri Mar 27, 2026 6:10 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

Dear Ann,

Thank you very much for your response. I assume this problem is keeping me up at night. I’ve been at it every day for three months, testing everything. I’ve already debugged all the Fortran code to try to find the source of the problem. I’ve already checked that my files are correct—the ...
by lfelipem
Thu Mar 26, 2026 1:35 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Re: Experiment RBL4DVAR/RPCG weak-constraint configuration

This is the point where the model gets stuck and doesn't proceed, even though it continues to use the processors.

RPCG_LANCZOS - Conjugate Gradient Information:

Ndatum = 1563994

(001,019): Residual estimate, eps = 8.6973728E+01
(001,019): Reduction in gradient norm, Greduc y-space = 0.0000000E ...
by lfelipem
Thu Mar 26, 2026 1:33 pm
Forum: ROMS Adjoint
Topic: Experiment RBL4DVAR/RPCG weak-constraint configuration
Replies: 14
Views: 1646

Experiment RBL4DVAR/RPCG weak-constraint configuration

Dear ROMS developers,

I am facing a persistent problem while running a ROMS 4D-Var experiment, specifically using the RBL4DVAR/RPCG weak-constraint configuration, and I would appreciate any guidance to help identify the source of the issue.

The model compiles successfully, and the run also starts ...
by lfelipem
Thu May 29, 2025 2:22 pm
Forum: ROMS Problems
Topic: Problem with ROMS running.
Replies: 0
Views: 37268

Problem with ROMS running.

I'm running a simulation that technically runs on the COAWST versions without any problems, but the COAWST version has bugs in the biological module. I went back to the latest native version of ROMS, which compiles the biological module, and I noticed that when I run mpirun, it starts my files ...
by lfelipem
Sun May 04, 2025 12:14 am
Forum: ROMS Discussion
Topic: Current model time exceeds ending value for variable: Pair
Replies: 1
Views: 31061

Re: Current model time exceeds ending value for variable: Pair

Good evening my friends, I know: the post is old, but I want to reply here so, that future users with this problem know the solution.

This error occurs because your time reference for the initial data and the boundary, or forces, files are incompatible. When you generated the files, they were with ...
by lfelipem
Sun May 04, 2025 12:13 am
Forum: ROMS Problems
Topic: model time exceeds ending value for var
Replies: 5
Views: 39562

Re: model time exceeds ending value for var

Good evening my friends, I know: the post is old, but I want to reply here so, that future users with this problem know the solution.

This error occurs because your time reference for the initial data and the boundary, or forces, files are incompatible. When you generated the files, they were with ...
by lfelipem
Tue Sep 03, 2024 12:30 pm
Forum: ROMS Discussion
Topic: LONGWAVE_OUT
Replies: 7
Views: 25553

Re: LONGWAVE_OUT

Perfect, Wilkin.

Maybe I misspoke. But that's what I ended up doing to get the right values for the simulation.
by lfelipem
Mon Sep 02, 2024 12:54 pm
Forum: ROMS Discussion
Topic: LONGWAVE_OUT
Replies: 7
Views: 25553

Re: LONGWAVE_OUT

I recently had some problems with downward longwave radiation and downward shortwave radiation when creating the forcing fields for the ECMWF model, and I noticed that the times added up and the values gradually increased over time.

The solution was to make up the difference between one day and ...
by lfelipem
Tue Feb 03, 2015 4:38 pm
Forum: ROMS Results
Topic: compare model output SST with AVHRR
Replies: 1
Views: 33331

compare model output SST with AVHRR

I am using roms to simulate ocean currents at and want to compare model output like SST to AVHRR or other sensors and wanted to know if anyone could help me out with any matlab tools or web site links.
by lfelipem
Tue Feb 04, 2014 12:48 pm
Forum: ROMS Bugs
Topic: Error using fclose Invalid file identifier. nc_interface
Replies: 0
Views: 4955

Error using fclose Invalid file identifier. nc_interface

I'm running d_core2_fc command in matlab and I'm oseguinte problem:

Can anyone help me?

%%%

Error using fclose
Invalid file identifier. Use fopen to generate a valid file identifier.

Error in nc_interface (line 98)
fclose(fid);
by lfelipem
Mon Jan 27, 2014 12:46 pm
Forum: ROMS Installation
Topic: Error while compiling with gfortran COAWST
Replies: 2
Views: 7777

Error while compiling with gfortran COAWST

I'm compiling with gfortran COAWST model and the following error occurs :

/ usr/lib64/mpi/gcc/openmpi/bin/mpif90 - frepack - arrays - O3 - ffast -math -I/home/lfelipem/COAWST/Lib/MCT/include -I/home/lfelipem/COAWST/Lib/MCT / include . / Build / esmf_roms.o . / Build / get_sparse_matrix.o . / Build ...