Large-scale three-dimensional geothermal reservoir simulation on small computer systems

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The performance of TOUGH2, Lawrence Berkeley Laboratory`s general purpose simulator for mass and heat flow and transport enhanced with the addition of a set of preconditioned conjugate gradient solvers, was tested on three PCs (486-33, 486-66, Pentium-90), a MacIntosh Quadra 800, and a workstation IBM RISC 6000. A two-phase, single porosity, 3-D geothermal reservoir model with 1,411 irregular grid blocks, with production from and injection into the reservoir was used as the test model. The code modifications to TOUGH2 and its setup in each machine environment are described. Computational work per time step and CPU time requirements are reported for ... continued below

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4 p.

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Antunez, E.; Moridis, G. & Pruess, K. May 1, 1995.

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Description

The performance of TOUGH2, Lawrence Berkeley Laboratory`s general purpose simulator for mass and heat flow and transport enhanced with the addition of a set of preconditioned conjugate gradient solvers, was tested on three PCs (486-33, 486-66, Pentium-90), a MacIntosh Quadra 800, and a workstation IBM RISC 6000. A two-phase, single porosity, 3-D geothermal reservoir model with 1,411 irregular grid blocks, with production from and injection into the reservoir was used as the test model. The code modifications to TOUGH2 and its setup in each machine environment are described. Computational work per time step and CPU time requirements are reported for each of the machines used. It is concluded that the current PCs provide the best price/performance platform for running large-scale geothermal field simulations that just a few years ago could only be executed on mainframe computers and high-end workstations.

Physical Description

4 p.

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OSTI as DE95012382

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  • World geothermal congress: worldwide utilization of geothermal energy, Florence (Italy), 18-31 May 1995

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  • Other: DE95012382
  • Report No.: LBL--36873
  • Report No.: CONF-950514--13
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 69425
  • Archival Resource Key: ark:/67531/metadc706436

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  • May 1, 1995

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 5, 2016, 10:15 a.m.

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Antunez, E.; Moridis, G. & Pruess, K. Large-scale three-dimensional geothermal reservoir simulation on small computer systems, article, May 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc706436/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.