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Computation 2016, 4(1), 1; doi:10.3390/computation4010001

Reduced Numerical Model for Methane Hydrate Formation under Conditions of Variable Salinity. Time-Stepping Variants and Sensitivity

1
Department of Mathematics, Oregon State University, Corvallis, OR 97331, USA
2
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA
3
CAGE (Centre for Arctic Gas Hydrate, Environment and Climate), Department of Geology, UiT The Arctic University of Norway, Tromso, Norway
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Qinjun Kang and Li Chen
Received: 28 November 2015 / Revised: 16 December 2015 / Accepted: 18 December 2015 / Published: 24 December 2015
(This article belongs to the Special Issue Advances in Modeling Flow and Transport in Porous Media)
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Abstract

In this paper, we consider a reduced computational model of methane hydrate formation in variable salinity conditions, and give details on the discretization and phase equilibria implementation. We describe three time-stepping variants: Implicit, Semi-implicit, and Sequential, and we compare the accuracy and efficiency of these variants depending on the spatial and temporal discretization parameters. We also study the sensitivity of the model to the simulation parameters and in particular to the reduced phase equilibria model. View Full-Text
Keywords: methane hydrate; multiphase multicomponent flow and transport; reduced computational model; time-stepping; phase equilibria methane hydrate; multiphase multicomponent flow and transport; reduced computational model; time-stepping; phase equilibria
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Peszynska, M.; Medina, F.P.; Hong, W.-L.; Torres, M.E. Reduced Numerical Model for Methane Hydrate Formation under Conditions of Variable Salinity. Time-Stepping Variants and Sensitivity. Computation 2016, 4, 1.

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