Squeeze-Film Damper
The Squeeze-Film Damper node is added automatically when you set Foundation properties to Squeeze-Film Damper in the parent Journal Bearing, or Radial Roller Bearing node. In this node, you specify the damper dimensions and lubricant properties to compute the equivalent damping coefficient based on a short bearing length approximation.
Damper Properties
Select Bulk viscosityFrom material or User defined. If User defined, enter the value of the Bulk viscosity, μ. Enter the values of Clearance, C, Journal Radius, R, and Journal length, L. Clear the checkbox Include tilting (selected by default) to exclude the effect of the tilting of the journal in the damper.
Centering spring
Centering springs are used in squeeze-film dampers to allow them to support static loads. Enter the values of Spring constant, kcs, and Damping constant, ccs, for the centering spring.
Location in User Interface
This node is automatically added when Foundation Properties is set to Squeeze-Film Damper in the parent bearing node. It cannot be added or removed manually.