Simulating Subsurface Flow and Transport on Ultrascale Computers using PFLOTRAN

We describe PFLOTRAN, a recently developed code for modeling multi-phase, multicomponent subsurface flow and reactive transport using massively parallel computers. PFLOTRAN is built on top of PETSc, the Portable, Extensible Toolkit for Scientific Computation. Leveraging PETSc has allowed us to devel...

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Bibliographic Details
Main Authors: Mills, Richard T., Lu, Chuan, Hammond, Glenn, Lichtner, Peter
Format: Conference Proceeding
Language:English
Subjects:
COMPUTERIZED SIMULATION
ENVIRONMENTAL SCIENCES
ENVIRONMENTAL TRANSPORT
FLOW MODELS
GROUND WATER
LIQUID FLOW
MATHEMATICS AND COMPUTING
MULTIPHASE FLOW
P CODES
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Summary:We describe PFLOTRAN, a recently developed code for modeling multi-phase, multicomponent subsurface flow and reactive transport using massively parallel computers. PFLOTRAN is built on top of PETSc, the Portable, Extensible Toolkit for Scientific Computation. Leveraging PETSc has allowed us to develop--with a relatively modest investment in development effort--a code that exhibits excellent performance on the largest-scale supercomputers. Very significant enhancements to the code are planned during our SciDAC-2 project. Here we describe the current state of the code, present an example of its use on Jaguar, the Cray XT3/4 system at Oak Ridge National Laboratory consisting of 11706 dual-core Opteron processor nodes, and briefly outline our future plans for the code.
ISSN:1742-6588
1742-6596