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Open AccessDissertationDOI

Theorie und numerische Modellierung nichtisothermer Mehrphasenprozesse in NAPL-kontaminierten porösen Medien

Holger Class
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TLDR
In this paper, the Physikalischen Fragestellungen als well as mathematisch-numerische Modellbildung der nichtisothermen Mehrphasen-and Mehrkomponentenprozesse in porosen Medien aufbereitet.
Abstract
In dieser Arbeit werden die physikalischen Fragestellungen als auch die mathematisch-numerische Modellbildung der nichtisothermen Mehrphasen- und Mehrkomponentenprozesse in porosen Medien aufbereitet. NN

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Journal ArticleDOI

Variationally consistent discretization schemes and numerical algorithms for contact problems

Barbara Wohlmuth
- 01 May 2011 - 
TL;DR: The starting point is to weakly incorporate the constraint into the setting and to reformulate the inequality in the displacement in terms of a saddle-point problem, and to establish optimal low-order a priori convergence rates for the discretization error in the primal and dual variables.
Journal ArticleDOI

Numerical simulation of non-isothermal multiphase multicomponent processes in porous media.: 1. An efficient solution technique

TL;DR: In this paper, the authors developed a multidimensional numerical simulator to model non-isothermal multiphase multicomponent flow and transport processes in the subsurface, where they considered the transfer of mass and energy between the phases in addition to the flow processes such as advection and diffusion.
Book ChapterDOI

Numerical Simulation of Multiphase Flow in Fractured Porous Media

TL;DR: A finite volume method for two-phase flow in fractured porous media is described and results for the parallel multigrid solution of a gas-water air sparging problem are presented.
Book ChapterDOI

Multiphase Processes in Porous Media

TL;DR: Models for multiphase flow in porous media are widespread today and can be found in many places in science and engineering and research in this area has been very successful with a versatile result.
DissertationDOI

Optimization methods for multiphase systems in the subsurface : application to methane migration in coal mining areas

TL;DR: In this article, a simulation-optimization model is tailored to the study of better methane-extraction strategies from an abandoned coal mine in the Ruhrgebiet, Germany.