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Physics

New Geometric Model Improves Predictions of Fluid Flow in Rock
2 months ago

New Geometric Model Improves Predictions of Fluid Flow in Rock

By  •  2 months ago  •  Featured, Science

Deep beneath the Earth’s surface, oil and groundwater percolate through gaps in rock and other geologic material. Hidden from sight, these critical resources pose a significant challenge for scientists seeking …
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OLCF Staff Elected to APS Division of Computational Physics Executive Committee
2 months ago

OLCF Staff Elected to APS Division of Computational Physics Executive Committee

By  •  2 months ago  •  People

This month, the American Physical Society (APS) Division of Computational Physics (DCOMP) elected two Oak Ridge Leadership Computing Facility (OLCF) staff members to its executive committee. The National Center for …
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Award Finalists Demonstrate Improved QCD Code for Supercomputing
5 months ago

Award Finalists Demonstrate Improved QCD Code for Supercomputing

By  •  5 months ago  •  Featured, Science

This article is part of a series covering the finalists for the 2018 Gordon Bell Prize that used the Summit supercomputer. The prize winner will be announced at SC18 in November …
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Summit Speeds Calculations in the Search for Exotic Particles
6 months ago

Summit Speeds Calculations in the Search for Exotic Particles

By  •  6 months ago  •  Technology

In pursuit of numerical predictions for exotic particles, researchers are simulating atom-building quark and gluon particles over 70 times faster on Summit, the world’s most powerful scientific supercomputer, than on …
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With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem
10 months ago

With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem

By  •  10 months ago  •  Science

Using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF), a team of researchers has calculated a fundamental property of protons and neutrons, known as the nucleon axial …
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Particle Interactions Calculated on Titan Support the Search for New Physics Discoveries
1 year ago

Particle Interactions Calculated on Titan Support the Search for New Physics Discoveries

By  •  1 year ago  •  Science

Nuclear physicists are using the nation’s most powerful supercomputer, Titan, at the Oak Ridge Leadership Computing Facility (OLCF) to study particle interactions important to energy production in the Sun and …
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Decades-Long Physics Mystery Elucidated with Titan
1 year ago

Decades-Long Physics Mystery Elucidated with Titan

By  •  1 year ago  •  Science

The same fusion reactions that power the sun also occur inside a tokamak, a device that uses magnetic fields to confine and control plasmas of 100-plus million degrees. Under extreme …
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OLCF Brings Petascale Computing to 2017 APS March Meeting
2 years ago

OLCF Brings Petascale Computing to 2017 APS March Meeting

By  •  2 years ago  •  People

For staff at the Oak Ridge Leadership Computing Facility (OLCF), attending computing conferences and meetings is valuable, but sharing at scientific meetings where computing resources can have a direct impact …
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Titan Takes on the Big One
3 years ago

Titan Takes on the Big One

By  •  3 years ago  •  Science

A team led by Thomas Jordan of the Southern California Earthquake Center, headquartered at the University of Southern California in Los Angeles, is using the Titan supercomputer to develop physics-based earthquake simulations to better understand earthquake systems, including the potential seismic hazards from known faults and the impact of strong ground motions on urban areas.
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Titan Helps Unpuzzle Decades-Old Plutonium Perplexities
3 years ago

Titan Helps Unpuzzle Decades-Old Plutonium Perplexities

By  •  3 years ago  •  Science

A team of condensed matter theorists at Rutgers University used nearly 10 million Titan core hours to calculate the electronic and magnetic structure of plutonium using a combination of density functional theory calculations and the leading-edge dynamical mean field theory technique.
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Supernova Summer School Along the Road to Exascale
4 years ago

Supernova Summer School Along the Road to Exascale

By  •  4 years ago  •  People

Oak Ridge National Laboratory’s (ORNL’s) Bronson Messer shared his knowledge on this subject during the 2014 International Summer School on AstroComputing (ISSAC), held at the University of California’s High-Performance AstroComputing Center (UC-HiPACC) in San Diego, from July 21 to August 1.
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UT students experience supercomputing on Titan
5 years ago

UT students experience supercomputing on Titan

By  •  5 years ago  •  People

A group of graduate students from the University of Tennessee has the unique opportunity to perform research on Oak Ridge National Laboratory’s Titan.
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