Argonne National Laboratory

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Multi-scale model of arterial blood flow.

Inside the skull

February 14th, 2012 Updated: February 14th, 2012

Modeling the elements of blood flow in the brain could help neurosurgeons to predict when and where an aneurysm might rupture – and when to operate.

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An optimized sequence of parameter values in nuclear simulations. (Image courtesy of Stefan Wild.)

Pounding out atomic nuclei

March 7th, 2011 Updated: November 30th, 2011

Thousands of tiny systems called atomic nuclei – specific combinations of protons and neutrons – prove extremely difficult to study but have big implications for nuclear stockpile stewardship. To describe all of the nuclei and the reactions between them, a nationwide collaboration is devising powerful algorithms that run on high-performance computers.

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This animation shows early-time pressure distribution for simulation of coolant flow in a 217-pin wire-wrapped nuclear reactor fuel subassembly, computed on 32,768 processors of the Argonne Leadership Computing Facility's Blue Gene/P. The program used nearly 1 billion data points distributed through the simulated subassembly to calculate properties like pressure and temperature over time. Please click the image to run the animation in a new window.     This animation shows early-time pressure distribution for simulation of coolant flow in a 217-pin wire-wrapped nuclear reactor fuel subassembly, computed on 32,768 processors of the Argonne Leadership Computing Facility's Blue Gene/P. The program used nearly 1 billion data points distributed through the simulated subassembly to calculate properties like pressure and temperature over time.

Nuclear predictive

September 20th, 2010 Updated: November 30th, 2011

Argonne National Laboratory applies mathematics and computation to engineer the next generation of nuclear reactors.

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Putting catalysts on track

March 1st, 2010 Updated: March 16th, 2011

Computation and experimentation combine to improve and speed design of useful compounds.

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