FREE VIBRATION OF AN ANNULAR PLATE WITH PERIODIC RADIAL CRACKS

The study of the dynamic behaviour of annular plates with periodic radial cracks is important, as several machine components, such as flywheels, clutch plates, etc., with cracks can be considered as annular plates for the purpose of analysis. In this note, an experimentale investigation on the effects of the number and length of periodic radial cracks on the natural frequencies of an annular plate is reported. The inner edge of the plate is clamped, while the outer edge is kept free