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Title: Assessment of a Hybrid Continuous/Discontinuous Galerkin Finite Element Code for Geothermal Reservoir Simulations

Abstract

FALCON (“Fracturing And Liquid CONvection”) is a hybrid continuous / discontinuous Galerkin finite element geothermal reservoir simulation code based on the MOOSE (“Multiphysics Object-Oriented Simulation Environment”) framework being developed and used for multiphysics applications. In the present work, a suite of verification and validation (“V&V”) test problems for FALCON was defined to meet the design requirements, and solved to the interests of enhanced geothermal system (“EGS”) design. Furthermore, the intent for this test problem suite is to provide baseline comparison data that demonstrates the performance of the FALCON solution methods. The simulation problems vary in complexity from singly mechanical or thermo process, to coupled thermo-hydro-mechanical processes in geological porous media. Numerical results obtained by FALCON agreed well with either the available analytical solution or experimental data, indicating the verified and validated implementation of these capabilities in FALCON. Some form of solution verification has been attempted to identify sensitivities in the solution methods, where possible, and suggest best practices when using the FALCON code.

Authors:
ORCiD logo [1];  [1];  [1]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States). Dept. of Energy Resource Recovery and Sustainabilty
Publication Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1357542
Report Number(s):
INL/JOU-15-37249
Journal ID: ISSN 0723-2632; PII: 951
Grant/Contract Number:  
AC07-05ID14517
Resource Type:
Accepted Manuscript
Journal Name:
Rock Mechanics and Rock Engineering
Additional Journal Information:
Journal Volume: 50; Journal Issue: 3; Journal ID: ISSN 0723-2632
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY; 97 MATHEMATICS AND COMPUTING; enhanced geothermal system; finite element; discontinuous Galerkin; automatic differentiation

Citation Formats

Xia, Yidong, Podgorney, Robert, and Huang, Hai. Assessment of a Hybrid Continuous/Discontinuous Galerkin Finite Element Code for Geothermal Reservoir Simulations. United States: N. p., 2016. Web. doi:10.1007/s00603-016-0951-y.
Xia, Yidong, Podgorney, Robert, & Huang, Hai. Assessment of a Hybrid Continuous/Discontinuous Galerkin Finite Element Code for Geothermal Reservoir Simulations. United States. doi:10.1007/s00603-016-0951-y.
Xia, Yidong, Podgorney, Robert, and Huang, Hai. Thu . "Assessment of a Hybrid Continuous/Discontinuous Galerkin Finite Element Code for Geothermal Reservoir Simulations". United States. doi:10.1007/s00603-016-0951-y. https://www.osti.gov/servlets/purl/1357542.
@article{osti_1357542,
title = {Assessment of a Hybrid Continuous/Discontinuous Galerkin Finite Element Code for Geothermal Reservoir Simulations},
author = {Xia, Yidong and Podgorney, Robert and Huang, Hai},
abstractNote = {FALCON (“Fracturing And Liquid CONvection”) is a hybrid continuous / discontinuous Galerkin finite element geothermal reservoir simulation code based on the MOOSE (“Multiphysics Object-Oriented Simulation Environment”) framework being developed and used for multiphysics applications. In the present work, a suite of verification and validation (“V&V”) test problems for FALCON was defined to meet the design requirements, and solved to the interests of enhanced geothermal system (“EGS”) design. Furthermore, the intent for this test problem suite is to provide baseline comparison data that demonstrates the performance of the FALCON solution methods. The simulation problems vary in complexity from singly mechanical or thermo process, to coupled thermo-hydro-mechanical processes in geological porous media. Numerical results obtained by FALCON agreed well with either the available analytical solution or experimental data, indicating the verified and validated implementation of these capabilities in FALCON. Some form of solution verification has been attempted to identify sensitivities in the solution methods, where possible, and suggest best practices when using the FALCON code.},
doi = {10.1007/s00603-016-0951-y},
journal = {Rock Mechanics and Rock Engineering},
number = 3,
volume = 50,
place = {United States},
year = {2016},
month = {3}
}

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