Welcome to the
SciDAC-3 Center for Edge Physics Simulation
(Project PI: Choong-Seock Chang, PPPL)



The EPSI SciDAC Partnership will develop advanced fusion simulation codes based upon first-principles physical models to provide insight into edge plasma physics in magnetic fusion devices. Collaborations with the SciDAC Institutes will ensure reliable and efficient solution of validated models on extreme-scale, high-performance computers. For more information on the center click here.



This figure shows an electrostatic potential perturbation
from a petascale simulation of full-function gyrokinetic
ion temperature gradient turbulence in realistic global
DIII-D geometry. The magnetic separatrix surface
is highlighted in the edge region.


YouTube Video



The movie shows electrostatic turbulence across the separatrix at the outside midplane. Tearing off of the pedestal turbulence by a sheared poloidal flow and subsequent blob formation can be seen. (Watch in HD for best results)


This movie explains the physics of the self-generated bootstrap current in the narrow H-mode edge pedestal in tokamak plasmas, especially the important role of trapped particles (published in Physics of Plasmas, 2016).
(Visualization by T. Neuroth, F. Sauer, J. Xie and K.-L. Ma, UC Davis, CA)



News

  • 2nd 2014 EPSI all-hands meeting The summer all-hands meeting will take place August 14-15 at the MIT in Cambridge, MA. Click here for more information.
    Posted Apr 21, 2014, 11:30 AM by Robert Hager
  • 1st 2014 EPSI all-hands meeting The first EPSI all-hands meeting in 2014 will take place in Oak Ridge, TN, on January 9 and 10.
    Posted Nov 20, 2013, 11:30 AM by Robert Hager
  • 2nd EPSI all-hands meeting 2013 The second EPSI all-hands meeting in 2013 will take place in Berkeley, CA, on August 14 and 15.
    Posted Jun 19, 2013, 8:37 AM by Robert Hager
  • EPSI all-hands meeting, January 2013 The slides of the presentations given at our recent all-hands meeting in Austin are now online. To view them you have to sign in using the link at the ...
    Posted Jan 28, 2013, 8:36 AM by Robert Hager
  • SciDAC-3 Center for Edge Physics Simulation is online!
    Posted Dec 14, 2012, 6:34 AM by Robert Hager
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