Metric of Shock Severity

Yinzhong Yan, Qingming Li

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Shock response spectrum (SRS) is a widely accepted method for shock testing specification. However, SRS, as a supremum, is over-conservative and cannot fully describe the relative severity for various shock environments. This study introduces shock response matrix, from which shock severity infimum (SSI) can be extracted using singular value decomposition method. Based on SRS and SSI, dual spectra are introduced to determine the range of shock severity between its supremum and infimum. The evaluation of the relative severity of various shock signals is discussed and validated by finite element simulations.
Original languageEnglish
Article number20190694
JournalProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Issue number2239
Publication statusPublished - 29 Jul 2020


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