High Performance Computing in GGStrengths, Challenges, Future Directions

High Performance Computing in GGStrengths, Challenges, Future Directions

• Processing/inverting increasingly large datasets for -imaging crustal & mantle structure (Dunn, Moore, Wolfe)-locating/characterizing acoustic sources (Frazer, Duennebier ) -analyzing global altimetry/topography (Wessel)

• Processing/inverting increasingly large datasets for -imaging crustal & mantle structure (Dunn, Moore, Wolfe)-locating/characterizing acoustic sources (Frazer, Duennebier ) -analyzing global altimetry/topography (Wessel)

• Simulating dynamical processes in expanding volumes, at finer resolution, & with stronger heterogeneity:-dynamics of mantle & lithosphere (Ito, Conrad-probably)-crustal deformation & faulting (Martel)-watershed processes & contaminant transport (El-Kadi)

• Simulating dynamical processes in expanding volumes, at finer resolution, & with stronger heterogeneity:-dynamics of mantle & lithosphere (Ito, Conrad-probably)-crustal deformation & faulting (Martel)-watershed processes & contaminant transport (El-Kadi)

Crustal structure beneath mid-ocean ridges: Dunn & Conley Crustal structure beneath mid-ocean ridges: Dunn & Conley

Finding seamounts with global satellite altimetry data: Wessel & KimFinding seamounts with global satellite altimetry data: Wessel & Kim

Mechanics of fissures on Big IslandMartel & Langley, Kaven Mechanics of fissures on Big IslandMartel & Langley, Kaven

Dynamics of Mantle & LithosphereIto & Bianco, Mittelstaedt Dynamics of Mantle & LithosphereIto & Bianco, Mittelstaedt

60million tracers of composition,3 million elements,60million tracers of composition,3 million elements,

adequate thermodynamic model of melting adequate thermodynamic model of melting Visco-elastic/elastic-plastic rheology.Visco-elastic/elastic-plastic rheology.

30-40 million timesteps for 1.3 Myr30-40 million timesteps for 1.3 Myr

Dynamics of Mantle & LithosphereIto & Bianco, Mittelstaedt Dynamics of Mantle & LithosphereIto & Bianco, Mittelstaedt

60million tracers of composition,3 million elements,60million tracers of composition,3 million elements,

adequate thermodynamic model of meltingadequate thermodynamic model of melting

Visco-elastic/elastic-plastic rheology.Visco-elastic/elastic-plastic rheology.

30-40 million timesteps for 1.3 Myr30-40 million timesteps for 1.3 Myr

Watershed processes & contaminant transport El-Kadi & Cutler, Corley, Hughes, Lamptoc, Perrault, Rotzoll, Whittier

Watershed processes & contaminant transport El-Kadi & Cutler, Corley, Hughes, Lamptoc, Perrault, Rotzoll, Whittier

Manoa Food Area Manoa Food Area Hydrology Problems Involve:-Strong heterogeneity

-Non-linearity of coupled equations (e.g., contamination by petroleum products)

-Extreme conditions (rainfall events, topography, etc)

-Large range of scales (point-measurements to watershed)

-Numerical solutions with fine (<meter) spatial & time resolution

Hydrology Problems Involve:-Strong heterogeneity

-Non-linearity of coupled equations (e.g., contamination by petroleum products)

-Extreme conditions (rainfall events, topography, etc)

-Large range of scales (point-measurements to watershed)

-Numerical solutions with fine (<meter) spatial & time resolution

Oahu water sources Oahu water sources

Community Code Development in Geodynamics

SOEST is a “member institution” of:

Community Code Development in Geodynamics

SOEST is a “member institution” of:

Seismic WavePropagation

Lithosphere dynamics

Core dynamics & geodynamo

Mantle Convection

Use of Resources of the Maui High Performance Computer Center (MHPCC) Use of Resources of the Maui High Performance Computer Center (MHPCC)

UH High Performance Computing Student Engagement Grants ($10-20K)

GG AwardeesE. Nosal 2004 (Frazer)T. Fedenczuk 2006 (Fryer)T. Bianco 2006 (Ito)S.-S. Kim 2007 (Wessel)

AKUA: 32-nodes, 64 Xeon 2.2-2.8 GHz processors, ~100 GB RAM,4.5 TB disk space, Gigabit-interconnect

AKUA: 32-nodes, 64 Xeon 2.2-2.8 GHz processors, ~100 GB RAM,4.5 TB disk space, Gigabit-interconnect

Purchased with cost-match SOEST & NSF OCE-0136793 ($109K)

Purchased with cost-match SOEST & NSF OCE-0136793 ($109K)

Maintenance, upgrades, consulting, software installation:

Maintenance, upgrades, consulting, software installation:

GT High-Performance Computing Facilities GT High-Performance Computing Facilities