scholarly journals Vibration Characteristics of CFRP Laminated Composite Circular Cylindrical Shells Laminated in Different Structures

2007 ◽  
Vol 73 (725) ◽  
pp. 107-113
Author(s):  
Katsutoshi OKAZAKI ◽  
Junji TANI ◽  
Jinhao QIU ◽  
Kazuo KOSUGOU ◽  
Mikio SUGANO
Keyword(s):  
Cylindrical Shells ◽  
Laminated Composite ◽  
Vibration Characteristics ◽  
Circular Cylindrical Shells

scholarly journals Vibration Characteristics of Ring-Stiffened Functionally Graded Circular Cylindrical Shells

2012 ◽  
Vol 2012 ◽  
pp. 1-13 ◽  
Author(s):  
Muhmmad Nawaz Naeem ◽  
Shazia Kanwal ◽  
Abdul Ghafar Shah ◽  
Shahid Hussain Arshad ◽  
Tahir Mahmood
Keyword(s):  
Circular Cylindrical Shell ◽  
Cylindrical Shells ◽  
Vibration Characteristics ◽  
Functionally Graded ◽  
Lagrangian Function ◽  
Dynamical Equations ◽  
Graded Materials ◽  
Present Technique ◽  
Circular Cylindrical Shells ◽  
Stiffened Cylindrical Shells

The vibration characteristics of ring stiffened cylindrical shells are analyzed. These shells are assumed to be structured from functionally graded materials (FGM) and are stiffened with isotropic rings. The problem is formulated by coupling the expressions for strain and kinetic energies of a circular cylindrical shell with those for rings. The Lagrangian function is framed by taking difference of strain and kinetic energies. The Rayleigh-Ritz approach is employed to obtain shell dynamical equations. The axial model dependence is approximated by characteristic beam functions that satisfy the boundary conditions. The validity and efficiency of the present technique are verified by comparisons of present results with the previous ones determined by other researchers.

Free-vibration Characteristics of Laminated Angle-ply Non-circular Cylindrical Shells

2003 ◽  
Vol 54 (4) ◽  
pp. 429-442 ◽  
Author(s):  
M. Ganapathi ◽  
B. P. Patel ◽  
S. S. Gupta ◽  
K. N. Khatri ◽  
C. T. Sambandam ◽  
...  
Keyword(s):  
Free Vibration ◽  
Cylindrical Shells ◽  
Vibration Characteristics ◽  
Circular Cylindrical Shells
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