About OLCF –
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
- Close
OLCF Resources –
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems –
- - Data & Visualization Resources –
- Close
R&D Activities –
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
- Close
Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
- Close
For Users –
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
    User Assistance Center
    
    Submit a Support Ticket
    
    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
- - System User Guides –
  - Software –
- - Training –
- Close
OLCF Media –
- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
- Close

About OLCF –
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
- Close
OLCF Resources –
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems –
- - Data & Visualization Resources –
- Close
R&D Activities –
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
- Close
Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
- Close
For Users –
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
    User Assistance Center
    
    Submit a Support Ticket
    
    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
- - System User Guides –
  - Software –
- - Training –
- Close
OLCF Media –
- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
- Close

Materials

Titan Speeds Inquiry into Engine Alloys That Can Take the Heat

By Rachel Harken • 1 month ago • Science

Simulations performed on the Cray XK7 Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF) filled in a knowledge gap about high-temperature–capable alloys and inspired engineers to successfully develop …
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1 year ago

Putting the Pedal to the Metal in the Hunt for Alloys

By Rachel Harken • 1 year ago • Science

High-temperature alloys, often used in power plants and automobile engines, are valued in engineering because they can withstand temperatures that are a high fraction of their melting point. Operating power …
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2 years ago

Researchers Flip Script for Li-Ion Electrolytes to Simulate Better Batteries

By Rachel Harken • 2 years ago • Science

Ever since Italian physicist Alessandro Volta invented the first battery out of a stack of copper and zinc disks separated by moistened cardboard, scientists have been searching for better battery …
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Simulation Shuffles Protons and Electrons

By Leo Williams • 5 years ago • Science

Titan is allowing scientists to simulate proton-coupled electron transfer at a level that was previously impossible.
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5 years ago

Superconductor Simulation Tops 15 Petaflops on Titan

By Leo Williams • 5 years ago • Science

Researchers simulating high-temperature superconductors has topped 15 petaflops on ORNL’s Titan supercomputer. More importantly, they did it with an algorithm that substantially overcomes two major roadblocks to realistic superconductor modeling.
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5 years ago

High-Risk, High-Reward Simulations

By OLCF Staff Writer • 5 years ago • Science

The OLCF delivered more than 374 million supercomputer core hours to 17 projects through the Department of Energy’s ALCC program—76 million hours more than expected.
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Titan’s New Build Attracts Magnetic Systems Research Impossible Until Now

By OLCF Staff Writer • 5 years ago • Science

ORNL researcher is simulating the magnetic direction and strength—known as the “magnetic moment”— of nickel atoms on one of the world’s most powerful supercomputers for science research, Titan.
Read More