Research Activities within CSD

Mathematical and Numerical Modelling of Process-Structure Interaction in Fractured Geothermal Systems (MaPSI)

MaPSI has as its main objective to provide mathematical models and simulation technology required to assess subsurface process-structure interaction in the context of hydraulic and thermal stimulation in development and production of high-temperature geothermal resources.

Fracture propagation caused by thermal gradients in a setting of thermo-poromechanics

Simulation of governing processes in superheated and supercritical geothermal systems: mathematical models, numerical methods and field data (SiGS)

The SiGS project goal is to extend the understanding of superheated and supercritical geothermal resources and their response to engineering operations by combining tailored mathematical and numerical modeling with field observations.

$Fluid injection in fractured medium$

FracFlow

The FracFlow project has the main objective to develop a fundamental understanding for multiphase flow in fractured porous media using interdisciplinary research.

Maximum von Mises stress (left) and stress distribution (right) under drying of a soil.

Fracturing of porous media in the presence of multiphase flows

This project will take a first-principles approach to develop a modeling and simulation tool for fracture mechanics in deformable porous media, that accounts for both fluid pressure and capillary effects as dominant driving forces.

Mathematical framework for handling complex geometries

In this project, the focus is on further closing between theoretical developments and efficient computational tools for real-world problems, with a concrete aim at reducing the model and discretization complexity of complex fault and fracture networks.

Microseismic imaging using rock physics-based full-waveform inversion

The main goal of the project is to develop accurate methodology for microseismic imaging based on full-waveform inversion. We focus on the development of scattering based approaches.

Simulation tool for fully dynamic Biot equations

In this project the aim is to develop an advanced, energy-preserving numerical model and simulation tool for the fully dynamic Biot equations. The prediction of seismic waves will be the main focus.

3d seismicity plot with production- and injection well

Interpretation of fluid-induced seismicity patterns

Microseismicity is a known by-product when extracting and injecting fluids into the subsurface. While most of these earthquakes are too small to be felt, their characteristics contain important information about the subsurface stress field and fracture systems.

A decision tree for linear solvers in poromechanics

Simulation technology for injection-related fault and fracture reactivation and induced seismicity

The project aims to develop simulation technology for injection-induced fault reactivation, accounting for interaction between rock and fluid mechanics.

Solvers for mixed dimensional flow and mechanics on the fracture-matrix interface

The goal of the project is to develop mathematical model and solution approaches to rupture dynamics including advanced friction laws in the presence of fluids.

Exploring the subsurface using a generalization of Dix’ classic time-to-depth mapping method

The project’s primary goal is to develop new tools in compressional waves domain for exploring the subsurface by means of a generalization of Dix’ classic time-to-depth mapping method, where velocity estimation constitutes an inherent part.

Gradient flow modelling of multi-phase flow in deformable porous media (GradFlowPoro)

The goal of the project is the study of a thermodynamically consistent mathematical model for multi-phase poromechanics.

Network Inpainting via Optimal Transport (NIOT)

The NIOT project goal is to develop new mathematical and numerical tools for the reconstruction of networks from corrupted images. Its ultimate goal is to apply these tools in the reconstruction of blood vessel networks from MRI scans.