Abstract:This paper describes the numerical simulation of nonlinear oval-type vibration in cylindrical water storage tanks. Oval-type vibration is a high-order vibration mode in the circumferential direction of the tank wall (axial wave number 1 ≥ m and circumferential wave number 2 ≥ n ). In our previous vibration experiment in which large excitation was applied to the base of a cylindrical water storage tank, the nonlinear behavior of oval-type vibration occurred. Under large excitation, nonlinear oval-type vibration… Show more
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