Carnegie Mellon University: Sebastian Vargas

[sebvar87]

Provided geometry. Will include report soon. Geometry SV.zip

[svargas10]

SV JPL Multiphysics.pdf Project report PDF.

[watkinrt]

Contributors

Sebastian Vargas

Design

Requirements check

Note: requirements were independently checked and may differ from the provided report.

Mass

• Full system mass: 4.174 kg
• Bracket only (excluding mounting pads): 0.914 kg

  Fundamental Frequency

• ✅ Min frequency: 200.8 Hz (ref > 200 Hz)

  Minimum pointing deviation

• ✅ Pointing X: 0.00013337884512850434 deg (ref < 0.001 deg)
• ✅ Pointing Y: 2.2645612542640414e-05 deg (ref < 0.001 deg)

  Max stress

• ✅ LaunchX: 131.5 (ref < 661.6 MPa)
• ✅ LaunchY: 161.8 (ref < 661.6 MPa)
• ✅ LaunchZ: 180.0 (ref < 661.6 MPa)
• ✅ BulkSoak: 318.7 (ref < 661.6 MPa)
• ✅ ThermoElastic: 133.4 (ref < 661.6 MPa)

  Bolt slip

• LaunchX
  • ✅ Instrument bolt shear forces EID 1059584: 515.7 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059585: 515.8 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059586: 563.1 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059587: 571.6 N (ref < 1000 N)
  • ✅ Base bolt shear forces EID 1059588: 952.5 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059589: 943.3 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059590: 572.8 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059591: 571.9 N (ref < 1500 N)
• LaunchY
  • ✅ Instrument bolt shear forces EID 1059584: 110.6 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059585: 111.0 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059586: 929.1 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059587: 929.2 N (ref < 1000 N)
  • ✅ Base bolt shear forces EID 1059588: 591.7 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059589: 598.6 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059590: 860.7 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059591: 867.5 N (ref < 1500 N)
• LaunchZ
  • ✅ Instrument bolt shear forces EID 1059584: 287.2 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059585: 289.3 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059586: 989.0 N (ref < 1000 N)
  • ✅ Instrument bolt shear forces EID 1059587: 987.9 N (ref < 1000 N)
  • ✅ Base bolt shear forces EID 1059588: 116.7 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059589: 102.9 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059590: 934.1 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059591: 933.3 N (ref < 1500 N)
• BulkSoak
  • ❌ Instrument bolt shear forces EID 1059584: 1812.1 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059585: 1783.6 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059586: 2225.4 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059587: 2256.9 N (ref < 1000 N)
  • ✅ Base bolt shear forces EID 1059588: 652.3 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059589: 688.4 N (ref < 1500 N)
  • ❌ Base bolt shear forces EID 1059590: 2282.3 N (ref < 1500 N)
  • ❌ Base bolt shear forces EID 1059591: 2298.5 N (ref < 1500 N)
• ThermoElastic
  • ❌ Instrument bolt shear forces EID 1059584: 1094.8 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059585: 1093.1 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059586: 1273.7 N (ref < 1000 N)
  • ❌ Instrument bolt shear forces EID 1059587: 1272.3 N (ref < 1000 N)
  • ✅ Base bolt shear forces EID 1059588: 290.7 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059589: 290.0 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059590: 179.3 N (ref < 1500 N)
  • ✅ Base bolt shear forces EID 1059591: 181.3 N (ref < 1500 N)

    Buckling load factor

• ✅ Launch X: 22.04 (ref > 2)
• ✅ Launch Y: 16.58 (ref > 2)
  • ✅ Launch Z: 19.61 (ref > 2)

    Heat loss through base interface

  • ✅ Heat flux: 0.24 W (ref < 4 W)