- Unit:
- SINTEF Digital
- Department:
- Mathematics and Cybernetics
- Office:
- Oslo
Knut-Andreas Lie is chief scientist and research manager for the Computational Geosciences group, widely renowned for its development of open-source simulators (MRST and OPM). He has more than 20 years experience as research mangager, is Professor II at NTNU, a SIAM Fellow, and elected member of the Norwegian Academy of Technological Sciences. He also leads SINTEF Digital's prioritized research area "Mathematics in Technology".
Education
Master's degree in industrial mathematics, Norwegian Institute of Technology, 1993
PhD in industrial and applied mathematics, Norwegian University of Science and Technology, 1998
Competence and research areas
- Numerical methods for flow in porous media: gridding and discretization, linear and nonlinear solvers, solution strategies, upscaling and multiscale methods, flow diagnostics, data-driven methods, streamline methods, etc.
- Open-source software for flow in porous media.
- Reservoir simulation and simulation of CO2 storage
- Numerical methods for nonlinear PDEs, including high-resolution methods (Godunov, TVD, ENO, WENO, etc), front tracking, and operator-splitting methods
- Research management
Highlighted publications
- Advanced Modeling with the MATLAB Reservoir Simulation Toolbox
- An Introduction to Reservoir Simulation Using MATLAB/GNU Octave: User Guide for the MATLAB Reservoir Simulation Toolbox (MRST)
- The application of flow diagnostics for reservoir management
- A multiscale restriction-smoothed basis method for high contrast porous media represented on unstructured grids
Projects
Expertise
Other publications
- Building an open-source community for subsurface flow simulation
- Open-source simulation technology for flow and transport in porous media
- GAWPS: A MRST-based module for wellbore profiling and graphical analysis of flow units
- Numerical Comparison Between ES-MDA and Gradient-Based Optimization for History Matching of Reduced Reservoir Models
- High-Resolution Compositional Reservoir Simulation with Dynamic Coarsening and Local Timestepping for Unstructured Grids
- Using State Functions and MRST’s AD-OO Framework to Implement Simulators for Chemical EOR
- Unstructured PEBI Grids Conforming to Lower-Dimensional Objects
- Implicit Discontinuous Galerkin Methods for Transport Equations in Porous Media
- Multiscale Pressure Solvers for Stratigraphic and Polytopal Grids
- The use of flow diagnostics to rank model ensembles