Identifying the elastic moduli of composite plates by using high-order theories. 2. Theoretical-experimental approach |
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| Authors: | B. Diveyev I. Butiter N. Shcherbina |
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| Affiliation: | (1) National University “Lvov Polytechnical Equipment”, Lvov, Ukraine;(2) Pidstryhach Institute of Applied Problems of Mechanics and Mathematics, National Academy of Sciences of Ukraine, Lvov, Ukraine |
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| Abstract: | The identification of elastic properties of laminated composite plates from measured eigenfrequencies has been performed. The elastic moduli of the laminates were determined by using a multilevel modeling and a two-step identification procedure. At the first step, based on a genetic algorithm, the Young’s and shear moduli were found, but at the second one, by minimizing an error function, the values of transverse moduli were refined. __________ Translated from Mekhanika Kompozitnykh Materialov, Vol. 44, No. 2, pp. 207–216, March–April, 2008. |
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| Keywords: | composite materials laminated plates elastic constants identification |
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