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attachment:refcav1.png attachment:refcav1-zoom.png attachment:refcav1-zoom2.png

We have done some analysis of the Reference Cavity using COMSOL. We got the design parameters for the reference cavity from ???

Basic Model Parameters

  • T = 273 + 38 K (reference cavity can is kept at 38 C)

  • Spacer and mirrors made of Corning Fused Silica (7940) - in reality its probably 7980?
  • Uses: Structural Mechanics module, Heat Transfer module, & Materials Library

Vertical Sensitivity

  1. Constrain the grooves on the bottom in all 3 DOF.
  2. Add a load force on the spacer. F/V = -9.81 * 2200 (comsol likes a force/volume)

Deformation of the cylinder shows the actual shape. Color indicates displacement along the cavity axis. attachment:refcav1.png attachment:refcav1-zoom.png attachment:refcav1-zoom2.png

Reference_Cavity/FEA (last edited 2012-01-03 23:02:45 by localhost)