Theories of Composite Plates and Numerical Methods Used on Bending and Buckling of Laminated Plates


(osama mohammed elmardi suleiman khayal) #1
## Theories of Composite Plates and Numerical Methods Used on Bending and Buckling of Laminated Plates

Osama Mohammed Elmardi Suleiman Khayal
Department of Mechanical Engineering,
Faculty of Engineering and Technology, Nile Valley University, Atbara – Sudan

ABSTRACT

A comprehensive literature review on different theories of laminated plates have been
reviewed and discussed thoroughly. It has been found that there are two main theories of
laminated plates which are known as linear and nonlinear theories. The two theories are
depending on the magnitude of deformation resulting from loading the given plates. The
difference between the two theories is that the deformations are small in the linear theory,
whereas they are finite or large in the nonlinear theory.

In comparisons between FEM and different numerical methods it has been found that
FEM can be considered of acceptable accuracy, and can also be applied to different
complicated geometries and shapes.

Keywords:

Theories of laminates, linear and nonlinear, numerical methods, finite element
method, small and large deformations.

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