Analysis on Vibration Characteristics of Air Film Damping with Open Boundaries

Table 1

Properties of plates.

Property	Symbol	Value[Unit]
Plate length	2L	300[mm]
Plate width/Air film width	2D	100[mm]
Plate thickness	H	7.5[mm]
Air film length	2l	- - - -
Air film thickness	h	- - - -
Density		4500[kg/m^3]
Young’s modulus	E	1.110^11[Pa]
Absolute viscosity		1.8110^−5[Pa.S]