Hybrid stress finite element analysis of bending of a plate with a through flaw

1982 ◽  
Vol 18 (2) ◽  
pp. 259-271 ◽  
Author(s):  
H. C. Rhee ◽  
S. N. Atluri
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Element Analysis ◽  
Hybrid Stress Finite Element ◽  
Hybrid Stress

Finite-Element Analysis of Vibration and Flutter of Cantilever Anisotropic Plates

1974 ◽  
Vol 41 (4) ◽  
pp. 1075-1080 ◽  
Author(s):  
J. N. Rossettos ◽  
P. Tong
Keyword(s):  
Finite Element ◽  
Dynamic Pressure ◽  
Mode Shapes ◽  
Element Analysis ◽  
Anisotropic Plates ◽  
Simply Supported ◽  
Critical Dynamic ◽  
Hybrid Stress Finite Element ◽  
Modal Method ◽  
Hybrid Stress

The hybrid stress finite element method is used to study the effects of filament angle, θ, and orthotropicity parameter, EL/ET, on the vibration and flutter characteristics of cantilevered anisotropic plates. The results indicate a generally strong lack of monotonic dependence on θ. Also, the natural frequency in certain cases involving the first few modes, can become relatively insensitive to both θ and EL/ET for a range of θ beyond 70 deg. Values of critical dynamic pressure are obtained by a modal approach, in which the mode shapes are obtained by the hybrid stress method. Convergence of the modal method is rather rapid for the configurations analyzed, and a comparison of the method with an exact solution for the case of an isotropic simply supported plate shows that use of six modes gives excellent agreement.

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