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Researchers led by CS Chang of the Princeton Plasma Physics Laboratory (PPPL) have been awarded major supercomputer time to address key issues for ITER. The award, from the DOE's INCITE* program, renews the third and final year of the team's supercomputer allocation for the current round.

The third-year allotment consists of 1.5 million node hours on the Theta supercomputer at the Argonne Leadership Computing Facility, and 0.97 million node hours on Summit, the world's most powerful supercomputer, at the Oak Ridge Leadership Computing Facility. Since every computer node has thousands of processing cores, or data processors, a single node hour equals thousands of core hours.

The INCITE announcement of the renewal called the studies "time-urgent for the successful planning of ITER operation" and ones that require "an intensive, concentrated computing effort using extreme-scale supercomputers."

The multi-year project studies three high-priority ITER edge-plasma challenges: gauging the heat-load that will strike the material surrounding the plasma in ITER; understanding the physics behind the transition from low-to-high ITER plasmas; and, studying turbulence at the edge of ITER plasmas that could damage the interior of the fusion facility.

Read the full article at .

*Innovative and Novel Computational Impact on Theory and Experiment ()