Articles | Volume 13, issue 5
Geosci. Model Dev., 13, 2245–2258, 2020
Geosci. Model Dev., 13, 2245–2258, 2020

Development and technical paper 13 May 2020

Development and technical paper | 13 May 2020

A full Stokes subgrid scheme in two dimensions for simulation of grounding line migration in ice sheets using Elmer/ICE (v8.3)

Gong Cheng et al.

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Cited articles

Brondex, J., Gagliardini, O., Gillet-Chaulet, F., and Durand, G.: Sensitivity of grounding line dynamics to the choice of the friction law, J. Glaciol., 63, 854–866, 2017. a
Chen, Q., Gunzburger, M., and Perego, M.: Well-posedness results for a nonlinear Stokes problem arising in glaciology, SIAM J. Math. Anal., 45, 2710–2733, 2013. a
Cheng, G. and Lötstedt, P.: Parameter sensitivity analysis of dynamic ice sheet models – numerical computations, The Cryosphere, 14, 673–691,, 2020. a
Cheng, G., Lötstedt, P., and von Sydow, L.: Accurate and stable time stepping in ice sheet modeling, J. Comput. Phys., 329, 29–47, 2017. a
Chouly, F., Fabre, M., Hild, P., Mlika, R., Pousin, J., and Renard, Y.: An overview of recent results on Nitsche’s method for contact problems, in: Geometrically unfitted finite element methods and applications, Springer, 93–141, 2017a. a, b, c
Short summary
A full Stokes subgrid scheme in two dimensions for the grounding line migration problem is presented in the open-source finite-element framework Elmer/ICE. This method can achieve comparable results to previous research using a more than 20 times larger mesh size, which can be used to improve the efficiency in marine ice sheet simulations.