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September 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 Williams
September 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 Levy
September 12, 2011
People

Titan Summit Shares OLCF and User Expectations

The Titan Summit workshop held August 15–17, 2011, covered the evolution to the next level of high-performance computational resources, enabling more groundbreaking research in climate, energy creation and storage, biology, chemistry, astrophysics, and materials.
OLCF Staff Writer
September 12, 2011