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:: Volume 18, Number 1 (Spring & Summer 2016, Vol. 18, No. 1 2016) ::
JoAE 2016, 18(1): 1-11 Back to browse issues page
Free Vibration Analysis of Longitudinally Stiffened Cylindrical Shells with Different Types of Boundary Conditions Using Analytical and Experimental Methods
Abstract:   (635 Views)

In this research, the free vibration analysis of cylindrical shells with longitudinal stiffeners, i.e. stringer with two methods of analytical and experimental for different boundary condition is investigated. Ritz method is applied in analytical solution while stiffeners treated as discrete elements. Also, in experimental method the modal testing is performed. Different types of simply supported, different types of clamped and also free boundary conditions are considered. Some analytical results for natural frequencies are compared with other’s experimental and analytical results, and hence with experimental results of this research, which showed good agreement. Furthermore, variations of natural frequencies, fundamental frequency and natural mode shapes for different types of boundary conditions are considered.

Keywords: Cylindrical Shell, Longitudinal Stiffener, Free Vibration, Natural Frequency, Experimental Work
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Free Vibration Analysis of Longitudinally Stiffened Cylindrical Shells with Different Types of Boundary Conditions Using Analytical and Experimental Methods. JoAE. 2016; 18 (1) :1-11
URL: http://joae.ir/article-1-60-en.html
Volume 18, Number 1 (Spring & Summer 2016, Vol. 18, No. 1 2016) Back to browse issues page
نشریه علمی - پژوهشی مهندسی هوانوردی Journal of Aeronautical Engineering
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