Martin Almquist
Associate senior lecturer/Assistant Professor at Department of Information Technology; Division of Scientific Computing
- Telephone:
- +46 18 471 10 31
- Mobile phone:
- +46 70 287 87 55
- E-mail:
- martin.almquist@it.uu.se
- Visiting address:
- Hus 10, Lägerhyddsvägen 1
- Postal address:
- Box 337
751 05 UPPSALA
- Academic merits:
- Docent
More information is available to staff who log in.
Short presentation
My research focuses on efficient methods for partial differential equations describing wave propagagation.
Keywords
- earthquake modeling
- inverse problems
- partial differential equations
- wave propagation
Biography
I have taught the courses Scientific Computing for PDEs, Computer Programming I, Scientific Computing I, and Analysis of Numerical Methods.
Publications
Selection of publications
- Boundary-optimized summation-by-parts operators for finite difference approximations of second derivatives with variable coefficients (2023)
- Simulation of flexural-gravity wave propagation for elastic plates in shallow water using an energy-stable finite difference method with weakly enforced boundary and interface conditions (2023)
- Ultra and Very Long Period Seismic Signatures of Unsteady Eruptions Predicted From Conduit Flow Models (2022)
- Elastic wave propagation in anisotropic solids using energy-stable finite differences with weakly enforced boundary and interface conditions (2021)
- Non-stiff boundary and interface penalties for narrow-stencil finite difference approximations of the Laplacian on curvilinear multiblock grids (2020)
- Order-preserving interpolation for summation-by-parts operators at nonconforming grid interfaces (2019)
- Multilevel local time-stepping methods of Runge–Kutta-type for wave equations (2017)
- High-fidelity numerical solution of the time-dependent Dirac equation (2014)
- Optimal diagonal-norm SBP operators (2014)
Recent publications
- Adjoint-based inversion for stress and frictional parameters in earthquake modeling (2024)
- Incorporating Full Elastodynamic Effects and Dipping Fault Geometries in Community Code Verification Exercises for Simulations of Earthquake Sequences and Aseismic Slip (SEAS) (2023)
- Boundary-optimized summation-by-parts operators for finite difference approximations of second derivatives with variable coefficients (2023)
- Simulation of flexural-gravity wave propagation for elastic plates in shallow water using an energy-stable finite difference method with weakly enforced boundary and interface conditions (2023)
- Ultra and Very Long Period Seismic Signatures of Unsteady Eruptions Predicted From Conduit Flow Models (2022)
All publications
Articles
- Adjoint-based inversion for stress and frictional parameters in earthquake modeling (2024)
- Incorporating Full Elastodynamic Effects and Dipping Fault Geometries in Community Code Verification Exercises for Simulations of Earthquake Sequences and Aseismic Slip (SEAS) (2023)
- Boundary-optimized summation-by-parts operators for finite difference approximations of second derivatives with variable coefficients (2023)
- Simulation of flexural-gravity wave propagation for elastic plates in shallow water using an energy-stable finite difference method with weakly enforced boundary and interface conditions (2023)
- Ultra and Very Long Period Seismic Signatures of Unsteady Eruptions Predicted From Conduit Flow Models (2022)
- Elastic wave propagation in anisotropic solids using energy-stable finite differences with weakly enforced boundary and interface conditions (2021)
- Non-stiff boundary and interface penalties for narrow-stencil finite difference approximations of the Laplacian on curvilinear multiblock grids (2020)
- Order-preserving interpolation for summation-by-parts operators at nonconforming grid interfaces (2019)
- Poroelastic effects destabilize mildly rate-strengthening friction to generate stable slow slip pulses (2019)
- Tsunami Wavefield Reconstruction and Forecasting Using the Ensemble Kalman Filter (2019)
- Boundary optimized diagonal-norm SBP operators (2018)
- Multilevel local time-stepping methods of Runge–Kutta-type for wave equations (2017)
- A high-order accurate embedded boundary method for first order hyperbolic equations (2017)
- Realization of adiabatic Aharonov–Bohm scattering with neutrons (2015)
- Atmospheric sound propagation over large-scale irregular terrain (2014)
- High-fidelity numerical solution of the time-dependent Dirac equation (2014)
- Optimal diagonal-norm SBP operators (2014)
- A solution to the stability issues with block norm summation by parts operators (2013)
- Approximating moving point sources in hyperbolic partial differential equations
Books
Conferences
- Unsteady simulations of rotor stator interactions using SBP-SAT schemes (2015)
- Stable and accurate simulation of phenomena in relativistic quantum mechanics (2013)
- Stable and accurate wave simulations in complex geometries and discontinuous media (2013)
Reports
