Numerical Tokamak Project code comparison

Abstract

greatest intellectual challenges to our understanding of the physics of tokamak performance and needs the most advanced computational resources to progress. We are conducting detailed comparisons of kinetic and fluid numerical models of tokamak turbulence. These comparisons are stimulating the improvement of each and the development of hybrid models which embody aspects of both. The combination of emerging massively parallel processing hardware and algorithmic improvements will result in an estimated 10**2--10**6 performance increase. Development of information processing and visualization tools is accelerating our comparison of computational models to one another, to experimental data, and to analytical theory, providing a bootstrap effect in our understanding of the target physics. The measure of success is the degree to which the experimentally observed scaling of fluctuation-driven transport may be predicted numerically. The NTP is advancing the HPCC Initiative through its state-of-the-art computational work. We are pushing the capability of high performance computing through our efforts which are strongly leveraged by OFE support.

Cite this paper

@article{waltz1994numerical,
  title = {{Numerical Tokamak Project code comparison}},
  author = {Waltz, R. E. and Cohen, B. I. and Beer, M},
  journal = {OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)},
  year = {1994},
  doi = {10.2172/10195821}
}

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