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Structural Analysis of the NCSX Vacuum Vessel

Fred Dahlgren, Art Brooks, Paul Goranson, Mike Cole, Peter Titus

Fusion Science and Technology / Volume 47 / Number 4 / Pages 926-930

May 2005

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The NCSX vacuum vessel has a rather unique shape being very closely coupled topologically to the three-fold stellerator symmetry of the plasma it contains. This shape does not permit the use of the common forms of pressure vessel analysis and necessitates the reliance on finite element analysis. The current paper describes the NCSX vacuum vessel stress analysis including external pressure, thermal, and electro-magnetic loading from internal plasma disruptions and bakeout temperatures of up to 400 degrees centigrade. Buckling and dynamic loading conditions are also considered.

 
 
 
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