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Communication Dans Un Congrès Année : 2001

Viscoelastic formulation for modelling of plate tectonics

Résumé

The Earth’s tectonic plates are strong, viscoelastic shells which make up the outermost part of a thermally convecting, predominantly viscous layer. In order to build a more realistic simulation of the planet’s evolution, the complete viscoelastic convection system must be included. A particle-in-cell finite element method is demonstrated which can simulate very large deformation viscoelasticity. This is applied to a plate-deformation problem. Numerical accuracy is demonstrated relative to analytic benchmarks, and the characteristics of the method are discussed.
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hal-01009106 , version 1 (19-05-2023)

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Louis Moresi, Frédéric Dufour, Hans Mühlhaus. Viscoelastic formulation for modelling of plate tectonics. Bifurcation and Localisation Theory in Geomechanics, 2001, Perth, Australia. ⟨10.1201/9781003210931-46⟩. ⟨hal-01009106⟩

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