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Draft: [T/TRM] add Test for temperature dependent density

joergbuchwald requested to merge joergbuchwald/ogs:TRM_T_dependent_density into master

This tests the temperature dependent density.

Just for the illustration:

p_taskdecovalex

This is a comparison of a diagonal section of the pressure through the expected*vtu (10th timestep. IAPWS model and the original linear model are very close together. Whereas with the bug still in place see !4394 for the fix a pressure peak occurs at the interface. The latter was created with only clay as IAPWS water because when IAPWS is used for all material groups this would not even converge with the bug still in place.

  1. Feature description was added to the changelog
  2. Tests covering your feature were added?
  3. Any new feature or behavior change was documented?
Edited by Dmitry Yu. Naumov

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