Geodesic
Theoretical and experimental determination of average elastic and strength properties of M-ribbed type folded cores
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 156 (2014) no. 4, pp. 60-86 Cet article a éte moissonné depuis la source Math-Net.Ru

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The approximate analytical solution for the direct problem of determining the average elastic and strength properties of M-ribbed type folded cores in transverse tension and compression as well as their shear properties in two mutually perpendicular planes is built. The resulting formulas except for the basic mechanical and geometrical governing parameters contain dimensionless coefficients, which are to be determined by solving the inverse problem on the basis of specially conducted experiments using A. Sachenkov's theoretical and experimental method. The developed technique is used to determine the characteristics of M-ribbed folded cores made of NOMEX polymer paper.
Keywords: multi-layered structures, folded structure, M-ribbing, elastic and strength characteristics, energy averaging, plate, buckling, critical load, approximate analytical solutions, specimen, test, shear
Mots-clés : core, structural formulae, transverse compression, identification. 
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     title = {Theoretical and experimental determination of average elastic and strength properties of {M-ribbed} type folded cores},
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V. N. Paimushin. Theoretical and experimental determination of average elastic and strength properties of M-ribbed type folded cores. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 156 (2014) no. 4, pp. 60-86. http://geodesic.mathdoc.fr/item/UZKU_2014_156_4_a6/

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