Effects of the Non-Homogeneity and Elastic Medium on the Critical Torsional Load of the Orthotropic Cylindrical Shell
A.H. Sofiyeva, A. Denizb, M. Avcara, P. Ã–zyigita and M.H. Omurtag c
aDepartment of Civil Engineering, Suleyman Demirel University, Isparta, Turkey
bDepartment of Mathematics, Usak University, Usak, Turkey
cDepartment of Civil Engineering, Istanbul Technical University, Istanbul, Turkey
Received: April 26, 2012
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In this study, the torsional stability problem of non-homogeneous orthotropic composite cylindrical shells in the elastic medium, using the Galerkin method was investigated. The Winkler model is used to describe the reaction of the elastic medium on the cylindrical shell. Mixed boundary conditions are considered. The effects of variations of shell parameters, non-homogeneity, orthotropy and foundation stiffness on the critical torsional load are examined.

DOI: 10.12693/APhysPolA.123.728
PACS numbers: 61.43.Bn, 62.20.mq