Multi-physics modeling of non-isothermal compositional flow on adaptive grids

被引：13

作者：

Faigle, Benjamin ^{[1
]}

Elfeel, Mohamed Ahmed ^{[2
]}

Helmig, Rainer ^{[1
]}

Becker, Beatrix ^{[1
]}

Flemisch, Bernd ^{[1
]}

Geiger, Sebastian ^{[2
]}

机构：

[1] Univ Stuttgart, IWS, Dept Hydromech & Modelling Hydrosyst, Stuttgart, Germany

[2] Heriot Watt Univ, Inst Petr Engn, Edinburgh, Midlothian, Scotland

来源：

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2015年 / 292卷

关键词：

IMPET; Compositional non-isothermal flow; Multi-physics; Adaptive grid; Multi-point flux approximation; MESH REFINEMENT; CO2; SEQUESTRATION; ENERGY-PRODUCTION; FINITE-ELEMENT; 2-PHASE FLOW; SIMULATION; IMPLEMENTATION; DISCRETIZATION; INTERFACE; TRANSPORT;

D O I：

10.1016/j.cma.2014.11.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A multi-physics framework for compositional and non-isothermal two-phase flow in a porous medium is presented which adapts locally the model complexity depending on the physical state. It is based on a sequential (IMPET) solution scheme. As a second adaptive strategy, the simulation grid can be refined locally. This may lead to a mesh with hanging nodes, which is treated by a multi-point flux approximation (MPFA) for improved flux representation. The two adaptivity concepts are employed to simulate a combined subsurface CO2 injection and geothermal application in an existing reservoir, the Tensleep formation. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：16 / 34

页数：19

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