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2022 | OriginalPaper | Buchkapitel

The Shock Response Spectrum Study Based on Gunfire Signal

verfasst von : Yixuan Li, Jijun Liu, Kaixiang Li

Erschienen in: Proceedings of the 5th China Aeronautical Science and Technology Conference

Verlag: Springer Singapore

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Abstract

Some gunfire environment can be depicted as a repeated shock or transient vibration environment, which is generally described by one impulse signal. In recent years, the Shock Response Spectrum (SRS) is widely used because it not only describes the shock excitation signal, but also the structural dynamic characteristics. In this paper, based on one finite element model of a certain aircraft loaded with aerial guns, different gunfire responses were analysed and classified. For the unsteady gunfire environment, the frequency domain of it can be depicted by the SRS. Two conversion methods from the time domain response to the frequency domain SRS, which were the Digital Filtering Method and the Motion Differential Equation Method, were introduced in detail. The SRS obtained by two methods were basically the same, which meant the two methods were verified mutually. At last, the standard spectrum of the SRS was obtained. All of the work provides a universal analysis method for the SRS study in engineering filed.

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Literatur
1.
Zurück zum Zitat Laboratory environment test methods for military material-Part 20: Gunfire vibration test, GJB 150.20A (2009) Laboratory environment test methods for military material-Part 20: Gunfire vibration test, GJB 150.20A (2009)
2.
Zurück zum Zitat Laboratory environment test methods for military material-Part 18: Shock test, GJB 150.18A (2009) Laboratory environment test methods for military material-Part 18: Shock test, GJB 150.18A (2009)
3.
Zurück zum Zitat Chang, R., Hongxia, P.: Study of shock response spectrum based on shocking signal. Artillery Launching Control 9, 21–24 (2010) Chang, R., Hongxia, P.: Study of shock response spectrum based on shocking signal. Artillery Launching Control 9, 21–24 (2010)
4.
Zurück zum Zitat Mechanical Vibration and Shock-Signal Processing-Part 4: Shock response spectrum analysis, National Standard GB/T29716.4 (2018) Mechanical Vibration and Shock-Signal Processing-Part 4: Shock response spectrum analysis, National Standard GB/T29716.4 (2018)
5.
Zurück zum Zitat Rao, S.S.: Mechanical Vibration. 4th ed. Beijing: Tsinghua University Press, China (2008) Rao, S.S.: Mechanical Vibration. 4th ed. Beijing: Tsinghua University Press, China (2008)
Metadaten
Titel
The Shock Response Spectrum Study Based on Gunfire Signal
verfasst von
Yixuan Li
Jijun Liu
Kaixiang Li
Copyright-Jahr
2022
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-16-7423-5_77

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