Estimating nonlinearities in twophase flow in porous media.

Jaffré, Jérôme; Chavent, Guy; Zhang, Jianfeng

Jaffré, Jérôme; Chavent, Guy; Zhang, Jianfeng (2009), Estimating nonlinearities in twophase flow in porous media.. https://basepub.dauphine.fr/handle/123456789/875

Type

Document de travail / Working paper

External document link

http://hal.inria.fr/inria-00374754/en/

Date

2009

Publisher

INRIA

Series title

Rapport de recherche

Series number

6892

Published in

Paris Rocquencourt

Metadata

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Author(s)

Jaffré, Jérôme
Chavent, Guy
Zhang, Jianfeng

Abstract (EN)

In order to analyze numerically inverse problems several techniques based on linear and nonlinear stability analysis are presented. These techniques are illustrated on the problem of estimating mobilities and capillary pressure in one-dimensional two-phase displacements in porous media that are performed in laboratories. This is an example of the problem of estimating nonlinear coefficients in a system of nonlinear partial differential equations.

Subjects / Keywords

estimation of nonlinear coefficients; inverse problem; flow in porous media