Structure-Acoustic Coupling Analysis of Vibration and Underwater Acoustic Radiation of a Ring-Stiffened Conical Shell

Figure 3

Modal shape of the ring-stiffened conical shell in vacuum. (a) The 1st order. (b) The 2nd order. (c) The 3rd order. (d) The 4th order. (e) The 5th order. (f) The 6th order. (g) The 7th order. (h) The 8th order.

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(b)

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(e)

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(h)