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Extending the validity of squeezed-film damper models with elongations of surface dimensions
2005
Journal of Micromechanics and Microengineering
Border flow effects in squeezed-film dampers having a gap separation comparable with the surface dimensions are studied with 2D and 3D FEM simulations and with analytic models derived from the linearized Reynolds equation for small squeeze-numbers. Surface elongations are extracted with 2D FEM simulations for 1D squeezed-film dampers for variable surface topologies for both linear and torsional modes of motion. To model 2D squeezed-film dampers, these elongations are used directly in the
doi:10.1088/0960-1317/15/9/003
fatcat:2zdqxnhy2nbz5k2dauitttad3y