23 March 2023 1 6K Report

It is well known that the frequency dispersion curve of a pipe depends on the wall thickness and the diameter of the pipe. Whether there is a situation where the diameter and thickness of pipes are different but the frequency dispersion curve is identical (for example, the first type of pipe has a small diameter and a small thickness, and the second type of pipe has a large diameter and a large thickness). When is the frequency dispersion curve the same and the ratio of thickness to diameter the same?

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