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NSTX outer TF leg analysis (with radius rods and VV added)

NSTX outer TF leg analysis (with radius rods and VV added). Totally 24 radius rods added (12 upper and 12 lower). *Full 360 º model and VV added. *Al blocks connected to umbrella structure *totally 24 radius rods added: 12 upper and 12 lower. *cases with symm and asym PF curr are studied

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NSTX outer TF leg analysis (with radius rods and VV added)

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  1. NSTX outer TF leg analysis (with radius rods and VV added) Totally 24 radius rods added (12 upper and 12 lower) *Full 360º model and VV added. *Al blocks connected to umbrella structure *totally 24 radius rods added: 12 upper and 12 lower. *cases with symm and asym PF curr are studied *welded ring: 2.8”x2.8” rect solid Radius rod: 2”x2” rect solid Radius rod supt: 2”x2” rect solid Radius rods supt struct Symm: Asym:

  2. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Asym PF curr: coil theta displacement (mm) Symm PF curr: coil theta displacement (mm) In previous result, max uy is ~4mm. Now max uy is 7.8mm. It seems 2”x2” radius rods not strong enough and umbrella structure deform more. I am increasing the thickness of radius rods to 3”x3” 16mm

  3. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Max 775MPa (112.4ksi) At the biggest arch Asym PF curr: VV stress (Pa) Symm PF curr: VV stress (Pa) Max 719MPa (104.3ksi) At the biggest arch

  4. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Asym PF curr: standard arch stress (150MPa, 21.8ksi) Symm PF curr: standard arch stress (300MPa, 43.5ksi)

  5. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Asym PF curr: Al. block area stress (487MPa, 70.6ksi) Symm PF curr: Al. block area stress (519MPa, 75.3ksi)

  6. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Asym PF curr: Port area stress (404MPa, 58.6ksi) Symm PF curr: Port area stress (411MPa, 59.6ksi)

  7. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Max 177MPa (25.7ksi) At the connection between coil and ring Asym PF curr: coil stress (Pa) Symm PF curr: coil stress (Pa) Max 166MPa (24.1ksi) At the connection between coil and ring

  8. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Max 185MPa (26.8ksi) At the connection between coil and ring Asym PF curr: ring stress (Pa) Symm PF curr: ring stress (Pa) Max 203MPa (29.4ksi) At the connection between coil and ring

  9. 1. welded ring (2.8x2.8” rect solid), radius rods (2”x2”), radius rods supt struct (2”x2”) Symm PF curr: radius rod load (N) Max: 44.5KN (10 klbs) Min: 18.4KN (4.1 klbs) Asym PF curr: radius rod load (N) Max: 49.2KN (11.1klbs) Min: 10.7KN (2.4klbs)

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