Opened 6 years ago

Last modified 4 years ago

#5473 new defect

AST_BatchPlant test case fails

Reported by: Francesco Casella Owned by: Martin Sjölund
Priority: blocker Milestone: 2.0.0
Component: Third-Party Libraries Version:
Keywords: Cc:

Description

The Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater model fails because of numerical issues.

Deeper analysis reveals that the model is quite ill-conditioned. I opened PR #2925 on the MSL repo with a fix to address this issue.

Once accepted into the MSL master branch, this should then be patched onto MSL 3.2.3/maintenance, and used to update the version of MSL we ship with OMC.

Change History (3)

comment:1 by Francesco Casella, 5 years ago

Milestone: 1.14.02.0.0

I guess this will eventually be fixed in 2.0.0

comment:2 by Francesco Casella, 5 years ago

Still broken, need to investigate

comment:3 by Francesco Casella, 4 years ago

PR #2925 was eventually merged in 4.0.0, but it required a number of changes in the library that were not easy to port back to 3.2.3 maintenance. We should try to see if some simple fixes (e.g. using a simpler fluid model) can improve the situation.

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