Vibration Analysis of Annular disc by using suitable conditions

The vibration analysis of a circular or annular plate has been a topic of practical interest and attracted much attention. This interest naturally comes from the similarity with industrial application such as compact and computer disks, train wheels, circular saws, etc. Most of this interest, however, has been concentrated on the free vibration. Many researchers have studied the vibration of annular discs over a long period of time. Dynamic characteristics of annular disc are of considerable importance in many designs. Circular plates with cutouts are extensively used in mechanical structures. Vibration analysis of this kind of structure is the foundation for structural parameter identification, damage detection and vibration control. However, for engineering applications, many machine elements or structural components can be modeled as a circular plate with central holes, i.e., the annular plate, and has led to a rapid development of analytical or experimental methods, such as the energy approach, the mode subtraction approach, etc.Experimental by FFT and FEA by ANSYS has been carried out for Natural Frequency and then compared the results for different specified cases.