Buckling and Dynamic Behaviour of Laminate Composite Plates using a Discrete Higher-Order Displacement Model

2009 ◽  
Author(s):  
J. Simoes Moita
Keyword(s):  
Dynamic Behaviour ◽  
Laminate Composite ◽  
Composite Plates ◽  
Higher Order ◽  
Displacement Model

Stress Analysis of Free-Edge Laminated Composite Plates by Two Bending Elements

2016 ◽  
Vol 13 (01) ◽  
pp. 1650008 ◽  
Author(s):  
M. Rezaiee-Pajand ◽  
F. Shahabian ◽  
F. H. Tavakoli
Keyword(s):  
Laminated Composite ◽  
Composite Plates ◽  
Free Edge ◽  
Higher Order ◽  
Coarse Mesh ◽  
Laminated Composite Plates ◽  
Triangular Elements ◽  
Displacement Model ◽  
Bending Plates ◽  
Interpolation Functions

Two higher order triangular elements will be formulated for inter-laminar stresses analysis in free edge of the laminated composite bending plates. The analysis is based on a displacement model and includes the higher order shear deformation. To demonstrate the validity and efficiency of the proposed method, the orthotropic laminated composite plates with arbitrary laminations and boundary conditions will be analyzed. In this paper, the effects of increasing the number of nodes and the degree of interpolation functions will be studied. It will be proven that by using particular higher order interpolation, more accurate stress resultants for plates can be predicted. Furthermore, a good rate of convergence will be found by utilizing only a very coarse mesh.

Dynamic Behaviour of Undamaged and Damaged Multilayered Composite Plates

2007 ◽  
Vol 347 ◽  
pp. 531-536 ◽  
Author(s):  
Marco Gherlone ◽  
Marco Di Sciuva
Keyword(s):  
Finite Element ◽  
Boundary Conditions ◽  
Dynamic Behaviour ◽  
Mixed Finite Element ◽  
Composite Plates ◽  
Higher Order ◽  
Mode Shapes ◽  
Vibration Frequencies ◽  
Numerical Examples ◽  
Multilayered Composite

The article deals with the application of a higher-order FEM approach to the analysis of the dynamic behaviour of undamaged and damaged multilayered composite plates. Some numerical examples show the accuracy of the developed plate mixed finite element, in terms of vibration frequencies and mode shapes, for different boundary conditions and with different damage geometries.

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