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Title of Journal: J Mech Sci Technol

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Abbravation: Journal of Mechanical Science and Technology

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Korean Society of Mechanical Engineers

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1976-3824

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Multidisciplinary optimization of a stiffened shel

Authors: Mahdi Maghsoudi Mehrabani Ali Asghar Jafari Mohammad Azadi
Publish Date: 2012/04/27
Volume: 26, Issue: 2, Pages: 517-530
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Abstract

Vibration analysis of simply supported rotating crossply laminated stiffened cylindrical shell is performed using an energy approach which includes variational and averaging method The stiffeners include rings and stringers The equations are obtained by RayleighRitz method and Sander’s relations To validate the present method the results are compared to the results available in other literatures A good adoption is observed in different type of results including isotropic shells rotating laminated shells stiffened isotropic shells and stiffened laminated shells Then the optimization of parameters due to shell and stiffeners is conducted by genetic algorithm GA method under weight and frequency constraints Stiffener shape material properties and dimensions are also optimizedMohammad Azadi received his BS in Mechanical Engineering from Shiraz University Iran in 2006 He then earned his MS from KN Toosi University of Technology in 2008 He is currently a PhD candidate at Sharif University of Technology His research interests include NVH Composites FGMs FEM automotive engineering especially engines and vehicle structure TBC and fatigue HCF LCF and TMF

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