Presentation Details
Computational homogenization and model order reduction of pressure diffusion in fractured rock
Wednesday, 11 Oct 2017; 16:40 - 17:00 in room 7.02
In Session:
MS16-2: Reduced Order Models for Multiscale and Multiphysics Problems (Show complete Mini Symposium)
Wednesday, 11 Oct 2017; 16:00 - 18:00 in room 7.02
Show complete Session
1st and presenting Author
Ralf Jänicke
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
2nd Author
Fredrik Larsson
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
3rd Author
Kenneth Runesson
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
Department of Industrial and Materials Science
Chalmers University of Technology
Gothenburg, Sweden
Micro Abstract:
Pressure diffusion in fracture networks is the dominating physical process that causes attenuation of elastic waves traveling trough fluid-saturated rock. We simulate this process in a multi-scale approach where pressure diffusion occurs on the sub-scale and the related seismic attenuation is observed on the macro-scale. We introduce a computational homogenization scheme and develop a NTFA-type model order reduction technique which allows to derive the macroscopic properties of fractured rock.