Abstract

The behavior of shock vibration for a medium caliber gun barrel was experimentally investigated and then, numerical modal analysis, a signal processing technique as well shock response analysis were carried out en route to the detailed analyses. This approach was initiated by identifying mode frequencies from the numerical model and thus the frequencies were clarified using the periodogram together with the spectrogram based on the time frequency analysis. A shock response analysis was employed to draw more physical interpretations regarding the barrel behaviors due to firing shock. In this paper, therefore, the overall process of shock vibration analysis was demonstrated for analyzing the shock behavior of the gun barrel.

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