Ticket #28 (closed defect: fixed)

Opened 14 months ago

Last modified 13 months ago

Entropies different in SolveOneNonlinearEquation.Inverse_s

Reported by: otter Owned by: hubertus
Priority: low Milestone: MSL3.0
Component: Media Version: 3.0RC1
Severity: Keywords:
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Description

The test model

Media.Examples.SolveOneNonlinearEquation.Inverse_sh_TX

computes s1 and s2 via different equations (one of them the inverse). However s1 is equal to s2. There is an offset. This seem to indicate, that somehow a different integration constant is used. This seems to be a bug.

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Change History

Changed 13 months ago by hubertus

  • status changed from new to closed
  • resolution set to fixed

Problem seems to actually be in Dymola and was fixed via a workaround.
Problem: function specificEntropy in MixtureGasNasa could be inlined in MSL v 2.2.1, but not in 3.0RC1. That somehow lead to errors when using the inversion in OneNonLinearEquation. Why is unclear. Fixed (in Dymola) by reverting to the inlineable old form of the function.

Add/Change #28 (Entropies different in SolveOneNonlinearEquation.Inverse_s)

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