A COMSOL-GEMS interface for modeling coupled reactive-transport geochemical processes

被引：43

作者：

Azad, Vahid Jafari ^{[1
]}

Li, Chang ^{[1
]}

Verba, Circe ^{[2
]}

Ideker, Jason H. ^{[1
]}

Isgor, O. Burkan ^{[1
]}

机构：

[1] Oregon State Univ, Sch Civil & Construct Engn, Corvallis, OR 97331 USA

[2] US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA

来源：

COMPUTERS & GEOSCIENCES | 2016年 / 92卷

关键词：

Reactive-transport modeling; (Geo)chemical modeling; Porous media; Finite element method; Multiphysics; GEMS; THERMODYNAMIC PROPERTIES; FLOW; SIMULATION; FRAMEWORK; HYDRATION; POROSITY; PACKAGE; SYSTEMS; CO2;

D O I：

10.1016/j.cageo.2016.04.002

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

An interface was developed between COMSOL Multiphysics (TM) finite element analysis software and (geo) chemical modeling platform, GEMS, for the reactive-transport modeling of (geo)chemical processes in variably saturated porous media. The two standalone software packages are managed from the interface that uses a non-iterative operator splitting technique to couple the transport (COMSOL) and reaction (GEMS) processes. The interface allows modeling media with complex chemistry (e.g. cement) using GEMS thermodynamic database formats. Benchmark comparisons show that the developed interface can be used to predict a variety of reactive-transport processes accurately. The full functionality of the interface was demonstrated to model transport processes, governed by extended Nernst-Plank equation, in Class H Portland cement samples in high pressure and temperature autoclaves simulating systems that are used to store captured carbon dioxide (CO2) in geological reservoirs. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：79 / 89

页数：11

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