Abstract
The finite element method is used to determine the stress and strain state of a shell structure supported with lodgment-type elements under the effect of characteristic loads of different types. The lifetime of a structure experiencing irregular loads, which operates in the multicycle fatigue area, is assessed applying the linear hypothesis of accumulation of fatigue damage. An alternative approach to determination of the lifetime of a structure is proposed. This approach involves nonstandard experiments with specimens of materials and nonlinear summation of damage.
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Original Russian Text © I.G. Emel’yanov, V.I. Mironov, A.V. Kuznetsov, 2007, published in Problemy Mashinostroeniya i Nadezhnosti Mashin, 2007, No. 5, pp. 57–65.
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Emel’yanov, I.G., Mironov, V.I. & Kuznetsov, A.V. Determining the stress state and the lifetime of a shell structure. J. Mach. Manuf. Reliab. 36, 443–449 (2007). https://doi.org/10.3103/S105261880705010X
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DOI: https://doi.org/10.3103/S105261880705010X