SC12 Home > SC12 Schedule > SC12 Presentation - High Performance Computing in Simulating Carbon Dioxide Geologic Sequestration

SCHEDULE: NOV 10-16, 2012

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High Performance Computing in Simulating Carbon Dioxide Geologic Sequestration

SESSION: Doctoral Showcase - Early Research Showcase

EVENT TYPE: Doctoral Showcase

TIME: 3:30PM - 5:00PM

SESSION CHAIR: Wojtek James Goscinski

Presenter(s):Eduardo Sanchez


Traditionally, in studying CCUS, numerical codes that simulate water-rock interaction and reactive transport sequentially solve an elemental mass balance equation for each control volume that represents a discretized lithology containing charged aqueous solute species. However, this formulation is not well suited for execution on many-core distributed clusters. Here, we present the theory and implementation of a numerical scheme whereby all solute concentrations in all control volumes are solved simultaneously by constructing a large block-banded sparse matrix of dimension Na times Nx, where Nx is the number of control volumes and Na is the number species for which their diffusion, advection, and reaction processes are of interest. These are very large matrices that fulfill the requirements needed in order to be factored with SuperLU_DIST from Lawrence Berkeley National Laboratory (LBNL). Performance metrics are considered on the ~10K core XSEDE cluster which is located at the San Diego Supercomputer Center (SDSC).

Chair/Presenter Details:

Wojtek James Goscinski (Chair) - Monash University

Eduardo Sanchez - San Diego State University

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