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@frankfeifan frankfeifan commented Oct 27, 2025

This PR aims to correct the current GEOS effective stress calculation such that it is consistent with Terzaghi definition. Detailed explanations on the issue and this change can be seen in the file attached.
THMEffStress_GEOS.pdf

  • Correct the effective and total stress calculation as well as dTotalStress_dTemperature in PorousSolid for the thermal case
  • Check porosity update
  • Add an integrated test to verify the implementation
  • Revise the THM tutorial benchmark problem accordingly
  • Move plasticStrain field to constitutive model

@frankfeifan frankfeifan marked this pull request as ready for review October 27, 2025 03:07
@frankfeifan frankfeifan added flag: requires rebaseline Requires rebaseline branch in integratedTests ci: run integrated tests Allows to run the integrated tests in GEOS CI labels Oct 27, 2025
@frankfeifan frankfeifan self-assigned this Oct 27, 2025
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