1 WBS 1 Design Analysis Status NCSX Analysis Meeting Dec 3, 2003

2 PFCs Analysis typeWho/howStatus Thermal analysis of limitersGoranson, spreadsheet calc.Needs doc. Thermal analysis of PFC liner, including radiation shields/ heat leak to vessel, connections to tubing, etc. Goranson, spreadsheet calc.Needs doc. Mechanical analysis of PFC liner HardwareGoranson, spreadsheet calc.Needs doc. Disruption loadsDahlgren, Brooks, SPARK and Nastran analyses Completed for CDR geometry, ok for PDR

3 Vacuum Vessel Analysis typeWho/howStatus Thermal-hydraulic analysis of vessel and cooling lines Goranson, spreadsheet calc. Dahlgren check Needs doc. Analysis of thermal insulation thickness, heat leak to coils Goranson, spreadsheet calc. Dahlgren check Needs doc. Disruption loadsBrooks, SPARK analysis Strickler check Model exists, needs update Eddy currents during startup, error fieldBrooksNeeds doc. Structural analysis of vessel gravity loads, during / after assemblyFreudenberg, Mechanica FEA Dahlgren check Needs doc. Disruption loads, vacuum loadsDahlgren, NASTRAN FEA, static (may do modal analysis) Freudenberg check – static calc Model done BucklingDahlgren, NASTRAN FEA, static Check? Model done Dynamic/seismicDahlgren, NASTRAN FEA Freudenberg check – static calc. Not needed for PDR Analysis of vessel supports, thermal and mechanical Freudenberg – FEA Goranson check via spreadsheet calc. Welding distortionanalysis TBD R&D results to confirm

4 Conventional Coils Analysis typeWho/howStatus Thermal-hydraulic analysis of TF, PF and External trim coils Dahlgren Fcool codeNot updated from CDR EM loadsHM Fan – ANSYS Strickler / Williamson - MAGFOR Complete Field error analysis from imperfections, leads, etc. Brooks – SPARKNeeds doc. Structural analysis of coils TF coils – incl wedging C. Jun / TBD PF coils C. Jun / TBD External Trim coils C. Jun / TBD

5 Modular Coils Analysis typeWho/howStatus Thermal analysis of mod coils LN2 hydraulic analysisDahlgren Goranson – spreadsheet calc Needs update from CDR Cooldown analysis, between shotsFreudenberg - ANSYS HM Fan check Needs doc. Cooldown analysis, RT to LN2Goranson – spreadsheet calc Dahlgren check Update from CDR EM loadsHM Fan – ANSYS FEA Strickler / Williamson - MAGFOR Complete 90% complete Eddy currents in mod coil structureBrooks – SPARK Strickler – Eddycuff to check Needs doc. Field error analysis from imperfections, leads, etc. Brooks – SPARK Strickler – Eddycuff to check Needs doc. Stress analysis of mod coils Global shell analysisHM Fan – ANSYS FEA S Chae – ABAQUS FEA – to check Model built Local winding analysisFreudenberg – Mechanica FEA Chae – ABAQUS FEA – to check Racetrack coils with clamps done, M2, M3 done Clamp analysis – detailed analysis of highly loaded clamps Freudenberg – Mechanica FEAMany clamps analyzed

6 Modular Coils Additional AnalysisWho/howStatus Check loading of Mechanica model against loading of ANSYS model Kevin does Mechanica model HM or Len does ANSYS model Geometric non-linear model of composite conductor to see if we can predict properties and non-linear stiffness behavior as well as internal thermal stresses during pulse Additional R&DWho/howStatus Mechanical fatigue test of composite conductor – S/N curve Irv Coupled thermal/mechanical fatigue test of composite conductor – S/N curve PPPL to wind and pot coil(s) ORNL – Tsai developing test stand New properties of composite conductor with 4-in-hand config. Irv

7 Modular Coil Structural Shell Model #1 Objective: Determine primary stress/deflection in a 120-deg model due to EM, thermal loads Evaluate stress in shell, tee, winding pack assuming full bonded interface Determine behavior of wing regions with/without joining to adjacent shell Calculate reaction force at flange bolt locations Status: Shell is fully meshed, tee and wing geom to be added Loads for s are available 326 volumes including shells and insulations

8 Modular Coil Structural Shell Model #2 Objective: Plate element approach, can be developed quickly Confirm primary stress/deflection results from Model #1 Evaluate shell thickness, port opening variations if needed Status: FE model being considered as ProE shell geometry is developed, however no one is working on the model directly. Method of applying ANSYS EM analysis results has been developed in case MAGFOR results are not available.

9 Support Structure Analysis typeWho/howStatus Thermal analysis of structure Cooldown from RT to LN2 Eddy currents in coil structureBrooks – SPARK / handNeeds doc. Stress analysis Global analysis Chang – TBD Local brackets / flange analysis Chang - TBD

10 Cryostat and Base Analysis typeWho/howStatus Thermal analysis of cryostat – heat leak, cooldown, etc. Gettlefinger Stress analysis of cryostat – internal pressure, temperature gradients, etc. Gettlefinger Thermal analysis of base – heat leak, cooldown, etc. Gettlefinger Stress analysis of baseKalish / TBD During assembly During cooldown to LN2 During operation Seismic analysis

11 Field period assembly Analysis typeWho/howStatus Fit1 – Do the coils slide over the vacuum vessel? Brooks / Brown - trajectory checked with Pro-E model Needs doc and check with tooling Fit2 – Can vessel be retracted for welding of field joint? (to accommodate distortion / shrinkage of weld) Cole – Pro-E models Line of sight studies to targetsCole – Pro-E models Fixture stress analysesTBD