| Dynamically coupling the non-linear Stokes equations with the shallow ice approximation in glaciology: Description and first applications of the ISCAL method J Ahlkrona, P Lötstedt, N Kirchner, T Zwinger Journal of Computational Physics 308, 1-19, 2016 | 34 | 2016 |
| Shallow ice approximation, second order shallow ice approximation, and full Stokes models: A discussion of their roles in palaeo-ice sheet modelling and development N Kirchner, J Ahlkrona, EJ Gowan, P Lötstedt, JM Lea, R Noormets, ... Quaternary Science Reviews 147, 136-147, 2016 | 27 | 2016 |
| Stabilized equal low-order finite elements in ice sheet modeling–accuracy and robustness C Helanow, J Ahlkrona Computational Geosciences 22, 951-974, 2018 | 21 | 2018 |
| Accuracy of the zeroth-and second-order shallow-ice approximation–numerical and theoretical results J Ahlkrona, N Kirchner, P Lötstedt Geoscientific Model Development 6 (6), 2135-2152, 2013 | 17 | 2013 |
| A numerical study of scaling relations for non-newtonian thin-film flows with applications in ice sheet modelling Ahlkrona, N Josefin Kirchner, P Lötstedt Quarterly Journal Of Mechanics And Applied Mathematics, 2013 | 17 | 2013 |
| A meshfree approach to non-Newtonian free surface ice flow: Application to the Haut Glacier d'Arolla J Ahlkrona, V Shcherbakov Journal of Computational Physics 330, 633-649, 2017 | 16 | 2017 |
| Increasing stable time-step sizes of the free-surface problem arising in ice-sheet simulations A Löfgren, J Ahlkrona, C Helanow Journal of Computational Physics: X 16, 100114, 2022 | 9 | 2022 |
| Implementing higher order dynamics into the ice sheet model SICOPOLIS J Ahlkrona | 9 | 2011 |
| Accuracy of the zeroth-and second-order shallow ice approximation–numerical and theoretical results, Geosci. Model Dev., 6, 2135–2152, doi: 10.5194 J Ahlkrona, N Kirchner, P Lötstedt gmd-6-2135-2013, 2013 | 7 | 2013 |
| A cut finite element method for non-Newtonian free surface flows in 2D-application to glacier modelling J Ahlkrona, D Elfverson Journal of Computational Physics: X 11, 100090, 2021 | 4 | 2021 |
| Computational Ice Sheet Dynamics: Error control and efficiency J Ahlkrona Acta Universitatis Upsaliensis, 2016 | 3 | 2016 |
| Increasing numerical stability of mountain valley glacier simulations: implementation and testing of free-surface stabilization in Elmer/Ice A Löfgren, T Zwinger, P Råback, C Helanow, J Ahlkrona EGUsphere 2023, 1-22, 2023 | 2 | 2023 |
| Equal-Order Stabilized Finite Element Approximation of the p-Stokes Equations on Anisotropic Cartesian Meshes J Ahlkrona, M Braack Computational Methods in Applied Mathematics 20 (1), 1-25, 2020 | 2 | 2020 |
| Galerkin Least-Squares Stabilization in Ice Sheet Modeling-Accuracy, Robustness, and Comparison to other Techniques C Helanow, J Ahlkrona arXiv preprint arXiv:1702.08369, 2017 | 1 | 2017 |
| The ISCAL method and the grounding line: Combining the Stokes equations with the Shallow Ice Approximation and Shelfy Stream Approximation J Ahlkrona | 1 | 2016 |
| A numerical study of the validity of Shallow Ice Approximations J Ahlkrona, N Kirchner, P Lötstedt | 1 | 2012 |
| A potential energy conserving finite element method for turbulent variable density flow: application to glacier-fjord circulation L Lundgren, C Helanow, J Wiskandt, IM Koszalka, J Ahlkrona arXiv preprint arXiv:2409.00972, 2024 | | 2024 |
| Increasing numerical stability of mountain valley glacier simulations: implementation and testing of free-surface stabilization in Elmer/Ice A Löfgren, T Zwinger, P Råback, C Helanow, J Ahlkrona The Cryosphere 18 (8), 3453-3470, 2024 | | 2024 |
| Well-posedness of the Stokes problem under modified pressure Dirichlet boundary conditions I Tominec, J Ahlkrona, M Braack arXiv preprint arXiv:2407.15971, 2024 | | 2024 |
| Weak form Shallow Ice Approximation models with an improved I Tominec, J Ahlkrona | | 2024 |
Per Lötstedtprofessor in numerical analysis, Uppsala UniversityDirección de correo verificada de it.uu.se
