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physics.comp-ph2021
Increasing stable time-step sizes of the free-surface problem arising in ice-sheet simulations
André Löfgren, Josefin Ahlkrona, Christian Helanow
Numerical models for predicting future ice-mass loss of the Antarctic and Greenland ice sheet requires accurately representing their dynamics. Unfortunately, ice-sheet models suffe…
physics.comp-ph2019★ 1 cited
Effects of numerical implementations of the impenetrability condition on non-linear Stokes flow: applications to ice dynamics
Christian Helanow
The basal sliding of glaciers and ice sheets can constitute a large part of the total observed ice velocity, in particular in dynamically active areas. It is therefore important to…
physics.comp-ph2017★ 21 cited
Galerkin Least-Squares Stabilization in Ice Sheet Modeling - Accuracy, Robustness, and Comparison to other Techniques
Christian Helanow, Josefin Ahlkrona
We investigate the accuracy and robustness of one of the most common methods used in glaciology for the discretization of the -Stokes equations: equal order finite el…