Abstract
We describe a procedure of approximate analytical determination of fatigue damage parameters of rectangular plates. As an initial damage characteristic we apply the relative value of the plate potential-strain-energy variation due to availability of a Mode I crack, and, based on this value, we find relations for determination of the plate natural frequency variation, as well as parameters of distortion of monoharmonic oscillations in the modes of main resonance and superharmonic resonance of the 2nd order.
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Translated from Problemy Prochnosti, No. 6, pp. 5–16, November–December, 2004
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Matveev, V.V., Boginich, O.E. Vibrodiagnostic parameters of fatigue damage in rectangular plates. Part 1. A procedure of determination of damage parameters. Strength Mater 36, 549–557 (2004). https://doi.org/10.1007/s11223-005-0001-6
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DOI: https://doi.org/10.1007/s11223-005-0001-6