Josefin Ahlkrona
Josefin Ahlkrona
Department of Mathematics, Stockholm University
Verifierad e-postadress på math.su.se - Startsida
TitelCiteras avÅr
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
222016
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
172016
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
152013
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
152013
Implementing higher order dynamics into the ice sheet model SICOPOLIS
J Ahlkrona
82011
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
72017
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
72013
Stabilized equal low-order finite elements in ice sheet modeling–accuracy and robustness
C Helanow, J Ahlkrona
Computational Geosciences 22 (4), 951-974, 2018
22018
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
12017
Computational Ice Sheet Dynamics: Error control and efficiency
J Ahlkrona
Acta Universitatis Upsaliensis, 2016
12016
A Numerical Study of the Validity of Shallow Ice Approximations
J Ahlkrona, N Kirchner, P Lötstedt
Dept. of Information Technology, Uppsala University, 2012
12012
Ice Sheet Modeling
L von Sydow
Uppsala University, Sweden, 2019
2019
How much are the greenland and antarctic ice sheets melting?
J Ahlkrona
XRDS: Crossroads, The ACM Magazine for Students 25 (1), 42-47, 2018
2018
Equal-Order Stabilized Finite Element Approximation of the p-Stokes Equations on Anisotropic Cartesian Meshes
J Ahlkrona, M Braack
Computational Methods in Applied Mathematics, 2018
2018
Towards a Highly Efficient Meshfree Simulation of Non-Newtonian Free Surface Ice Flow: Application to the Haut Glacier d'Arolla
V Shcherbakov, J Ahlkrona
AGU Fall Meeting Abstracts, 2016
2016
The ISCAL method and the Grounding Line-Combining the Stokes equations with the Shallow Ice Approximation and Shelfy Stream Approximation
J Ahlkrona
Technical Report 2016-006, 1-13, 2016
2016
Dynamically coupling the full Stokes equations and the SIA-the ISCAL method
J Ahlkrona, P Lötstedt, T Zwinger
EGU General Assembly Conference Abstracts 18, 2016
2016
Ice Sheet Modelling-Dynamically Coupling the Non-linear Stokes Equations with the Shallow Ice Approximation
J Ahlkrona, P Lötstedt, E Gowan, N Kirchner, T Zwinger
BOOK OF ABSTRACTS, 139, 2015
2015
Fast Full Stokes (FFS)-Dynamic Coupling of the SIA and full Stokes Equations
J Ahlkrona, P Lötstedt, T Zwinger, N Kirchner
AGU Fall Meeting Abstracts, 2013
2013
Analysis of boundary conditions in numerical simulations of geological CO2 storage
F Fagerlund, J Ahlkrona, H Holmgren, K Nielsen, Z Yang, A Niemi, ...
Copernicus Publications, 2011
2011
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Artiklar 1–20