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A load of 12kg is applied at center of plate fixed at the corners as shown in figure, it shows fundamental frequency of 500Hz , if the load is doubled then what will be the fundamental frequency? fig.

A load of 12kg is applied at center of plate fixed at the corners as shown in figure, it shows fundamental frequency of 500Hz, if the load is doubled then what will be the fundamental frequency?
fig.

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1 Answers

Abhishek Kumar
askIITians Faculty 255 Points
7 years ago
Any vertex and the centre of hexagon acts as fixed end. So,
Fundamental frequency = V/2L
V = \sqrt{T/\mu }
T along one line (Centre to vertex) is 1/6th of the weight of the load.

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