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Mathematical and numerical analysis of a stratigraphic model

Véronique Gervais; Roland Masson — 2004

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique

In this paper, we consider a multi-lithology diffusion model used in stratigraphic modelling to simulate large scale transport processes of sediments described as a mixture of $L$ lithologies. This model is a simplified one for which the surficial fluxes are proportional to the slope of the topography and to a lithology fraction with unitary diffusion coefficients. The main unknowns of the system are the sediment thickness $h$ , the $L$ surface concentrations $c_{i}^{s}$ in lithology $i$ of the sediments at the top...

Mathematical and numerical analysis of a stratigraphic model

Véronique Gervais; Roland Masson — 2010

ESAIM: Mathematical Modelling and Numerical Analysis

In this paper, we consider a multi-lithology diffusion model used in stratigraphic modelling to simulate large scale transport processes of sediments described as a mixture of lithologies. This model is a simplified one for which the surficial fluxes are proportional to the slope of the topography and to a lithology fraction with unitary diffusion coefficients. The main unknowns of the system are the sediment thickness , the surface concentrations $c_{i}^{s}$ in lithology of the sediments at the top...

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