GUIDED CIRCUMFERENTIAL WAVES IN HOLLOW CYLINDERS

Abstract

Abstract: The multi-modes and disperse characteristics of guided circumferential waves in hollow cylinders is investigated by theoretical analysis and numerical computation. The geometrical factor that can affect the guided circumferential waves is confirmed. The relationship of guided waves between different hollow cylinders and relevant plate is found. Finally, the results indicate that some given guided circumferential waves are fit for non-destructive testing(NDT) of longitudinal cracks in hollow cylinders.

Key words: fundamental vibration, proportional flow control valve, selection process, simulation model, Disperse, Guided circumferential waves, Hollow cylinders, NDT

CLC Number:

O348

He Cunfu;Li Longtao;Wu Bin. GUIDED CIRCUMFERENTIAL WAVES IN HOLLOW CYLINDERS[J]. , 2004, 40(8): 7-12.

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GUIDED CIRCUMFERENTIAL WAVES IN HOLLOW CYLINDERS

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