Conference-Goers Examine Energy Challenges via Petascale Computing

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Conference-Goers Examine Energy Challenges via Petascale Computing

More than 100 participants from government, industry, and academia attended the 2011 Computational Sciences and Engineering conference to discuss strategies for optimizing high- performance computing resources used in advanced modeling and simulation of grand challenges in energy.

OLCF Staff WriterOctober 31, 2011

Science

The Problem with Cellulosic Ethanol

Simulation provides a close-up look at the molecule that complicates next-generation biofuels Leadership-class molecular dynamics simulation of the plant components lignin and cellulose. This 3.3 million-atom simulation was performed on 30,000 cores of the Jaguar XT5 supercomputer and investigated lignin precipitation on cellulose fibrils, a process that poses a significant…

Leo WilliamsSeptember 12, 2011

Science

Simulating Turbulent Combustion Speeds Design of Power and Propulsion Devices

Supercomputers help optimize engines, turbines, and other technologies for clean energy High-fidelity large eddy simulation (LES) of direct-injection processes in internal-combustion engines provides an essential component for development of high-efficiency, low-emissions vehicles. Here LES reveals how fuel from a state-of-the-art injector mixes with air inside an engine cylinder. Image credit:…

Dawn LevySeptember 12, 2011

Science

Boeing Uses Jaguar to Validate Aircraft Modeling Applications

For years, academia has looked to simulation to solve some of science’s most complex problems. Recently, industry has taken notice—America’s most powerful machines are now helping its most powerful companies. Take Jaguar and Boeing, for example.

Scott JonesAugust 19, 2011

Science

Supercomputers and Airplanes Help Model Hurricane Structure and Intensity

A research team led by Jon Reisner of Los Alamos National Laboratory is employing the Oak Ridge Leadership Computing Facility’s Jaguar supercomputer to use data from lightning detectors and even wind instruments mounted on planes flown into the eye of a hurricane to improve atmospheric models.

OLCF Staff WriterAugust 19, 2011

People

ORNL Animations Garner Peer Praise and Prizes

Three animations created by ORNL computer visualization specialists Dave Pugmire and Mike Matheson won big at the SciDAC Electronic Visualization Night, held on July 12 in Denver, Colorado.

OLCF Staff WriterAugust 3, 2011

Science

Special Report Highlights Research at America’s Leadership Computing Facilities

A special report highlights the accomplishments of researchers running large, complex, and often unprecedented simulations on Department of Energy Office of Science supercomputers.

Dawn LevyAugust 3, 2011

Science

Breakthrough Fusion Simulations Shed Light on Plasma Confinement

Using Jaguar, a research team led by William Tang of DOE’s Princeton Plasma Physics Laboratory is developing a clearer picture of plasma confinement properties in an experimental device that will pave the way to future commercial fusion power plants.

OLCF Staff WriterAugust 3, 2011

Science

Supercomputers Aid in Understanding the Basic Building Blocks of Nature

A team of scientists has been awarded a total of 80 million processor hours at the OLCF and the ALCF for QCD research to help develop a unified theory of how the four fundamental forces of nature interact.

OLCF Staff WriterJuly 19, 2011

Technology

As Supercomputers Approach Exascale, Experts Wrestle with Big Data

In this interview, Galen Shipman, who heads OLCF’s Technology Integration group, discusses the challenges of managing big data.

Dawn LevyJuly 16, 2011

Science

It Takes Three to Tango

The nucleus of an atom, like most everything else, is more complicated than we first thought. Just how much more complicated is the subject of a Petascale Early Science project led by ORNL’s David Dean.

Leo WilliamsJuly 10, 2011

Technology

Jaguar Users Receive HPC Innovation Excellence Awards

Mike Henderson, CEO of BMI Corporation and Smart Truck, was announced as one of nine winners of the HPC Innovation Excellence Awards, given to organizations achieving an important, quantifiable achievement with the help of high-performance computing.

OLCF Staff WriterJune 29, 2011

Science

Researchers Pinpoint How Copper Folds Protein into Precursors of Parkinson’s Plaques

Calculations on the Jaguar supercomputer reveal metal binding likely to misfold alpha-synuclein Alpha-synuclein, a protein that misfolds in Parkinson's disease, is shown in its free state (top) and bound to copper (bottom). Copper binding, detailed in the boxed area, accelerates the protein's misfolding. Image credit: Frisco Rose, Miroslav Hodak, and…

OLCF Staff WriterJune 14, 2011

Science

Chemistry and Materials Simulations Speed Clean Energy Production and Storage

Chemistry and materials science simulations made possible through Robert Harrison’s INCITE project have generated 70 scientific publications since 2008.

Dawn LevyMay 13, 2011

Technology

Venerable Early Jaguar System Retires

Once the second most powerful supercomputer in the world, the Cray XT4 Jaguar was decommissioned March 8.

Leo WilliamsApril 5, 2011

Science

Jaguar Users Benefiting from ALCC Computing Hours for Energy-Mission Research

Through the ASCR Leadership Computing Challenge (ALCC), allocations were awarded to five projects with an emphasis on high-risk, high-impact research related to DOE’s energy mission. They are already providing insight into important efforts such as advancing the clean-energy agenda and understanding the Earth’s climate.

OLCF Staff WriterApril 5, 2011

Science

BMI Uses Jaguar to Overhaul Long-Haul Trucks

BMI Corporation is combining their aerospace and race care design expertise with the power of the OLCF’s Jaguar supercomputer to create a new, long haul “SmartTruck” that will increase fuel efficiency and reduce carbon emissions.

OLCF Staff WriterMarch 2, 2011

Technology

OLCF, Partners Release eSiMon Dashboard Simulation Tool

The Electronic Simulation Monitoring (eSiMon) Dashboard version 1.0 was recently released to the public, allowing scientists to monitor and analyze their simulations in real-time.

Scott JonesMarch 1, 2011

Science

Another High-Definition Plasma

A team led by University of Iowa astrophysicist Gregory Howes is using ORNL’s Jaguar supercomputer to explore astrophysical plasma.

OLCF Staff WriterFebruary 15, 2011

Science

Whole-Genome Sequencing Simulated on Supercomputers

Using Jaguar, a research team led by Aleksei Aksimentiev, assistant professor in the physics department at the University of Illinois–Urbana-Champaign, began a project to create machines for personal genome sequencing that will be more accessible to hospitals.

OLCF Staff WriterFebruary 14, 2011

Jaguar