PPPL-3359 is available in <a href="PPPL-3359.pdf">pdf</a> or 
<a href="PPPL-3359.ps">postscript</a> formats.
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<b>PIES Applications to NCSX</b>

<p>D. Monticello, S. Hirshman, and A. Reiman</p>

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<b>Date of PPPL Report:</b> October 14, 1999</p>

<b>Conference Paper:</b> Presented at the 12th International Stellarator Workshop (Madison, Wisconsin, September 27 - October 1, 1999).</p>

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The purpose of the research presented here is two fold. We present preliminary results for the assessment of flux surface quality for a candidate configuration for the National Compact Stellarator Experiment (NCSX) experiment. We also present preliminary results of the assessment of our 3-D MHD tools, PIES and VMEC.

We first illustrate the flux surface quality in C82 by showing PIES results for several snapshots in the evolution of the plasma from 0% beta to 3.5% beta. C82 is a quasi-axisymmetric candidate configuration for the NCSX experiment. Next, as part of our effort to qualify the PIES code for current carrying stellarators, we present results for a W7-AS experimental shot. Lastly, we show evidence from the PIES code that the equilibrium produced by VMEC violate the Hamada condition.

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