Multi-physics modeling of non-isothermal compositional flow on adaptive grids

Benjamin Faigle*, Mohamed Ahmed Elfeel, Rainer Helmig, Beatrix Becker, Bernd Flemisch, Sebastian Geiger

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)


A multi-physics framework for compositional and non-isothermal two-phase flow in a porous medium is presented which adapts locally the model complexity depending on the physical state. It is based on a sequential (IMPET) solution scheme. As a second adaptive strategy, the simulation grid can be refined locally. This may lead to a mesh with hanging nodes, which is treated by a multi-point flux approximation (MPFA) for improved flux representation. The two adaptivity concepts are employed to simulate a combined subsurface CO2 injection and geothermal application in an existing reservoir, the Tensleep formation.

Original languageEnglish
Pages (from-to)16-34
Number of pages19
JournalComputer Methods in Applied Mechanics and Engineering
Publication statusPublished - 1 Aug 2015
Externally publishedYes


  • Adaptive grid
  • Compositional non-isothermal flow
  • Multi-physics
  • Multi-point flux approximation


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