On a Doubly Nonlinear Parabolic Obstacle Problem Modelling Ice Sheet Dynamics
نویسندگان
چکیده
منابع مشابه
On a Doubly Nonlinear Parabolic Obstacle Problem Modelling Ice Sheet Dynamics
This paper deals with the weak formulation of a free moving boundary problem arising in theoretical glaciology Considering shallow ice sheet ow we present the mathematical analysis and the numerical resolution of the second order nonlinear degenerate parabolic equation modelling in the isothermal case the ice sheet non newtoniandynamics An obstacle problem is then deduced and analysed The exist...
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The Late Pliocene epoch is a potential analogue for future climate in a warming world. Here we reconstruct Plio-Pleistocene East Antarctic Ice Sheet (EAIS) variability using cosmogenic nuclide exposure ages and model simulations to better understand ice sheet behaviour under such warm conditions. New and previously published exposure ages indicate interior-thickening during the Pliocene. An ice...
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In this talk we consider a three-dimensional isothermal model for ice sheet dynamics in Glaciology. The model is derived from the Continuum Mechanics principles and well-known experimental results carried out in Glaciology. The final formulation of the model gives rise to a degenerate quasi-linear elliptic-parabolic equation for the ice-thickness function. Under appropriate initial and Dirichle...
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ژورنال
عنوان ژورنال: SIAM Journal on Applied Mathematics
سال: 2003
ISSN: 0036-1399,1095-712X
DOI: 10.1137/s0036139901385345