Linear and Geometrically Non-Linear Analysis of Composite Beams under Transverse Loading
The flexural analysis of fiber-reinforced composite beams based on a higher-order shear deformation theory is studied. The geometric non-linearity is incorporated in the formulation by considering the von Karman strains. The finite element method is used to solve the non-linear governing equations by direct iteration. Unlike conventional beam models, the present beam model accounts for y direction strains. It is observed that the solution obtained from the two approaches differ slightly in the case of cross-ply laminates, but there exists a considerable difference in the case of angle-ply laminates. The influence of boundary conditions, beam geometries, and ply orientations on the deflections and stresses of laminated beams is shown both in tabular and graphical form.
K. Chandrashekhara and K. M. Bangera, "Linear and Geometrically Non-Linear Analysis of Composite Beams under Transverse Loading," Composites Science and Technology, Elsevier, Jan 1993.
The definitive version is available at http://dx.doi.org/10.1016/0266-3538(93)90003-Y
Mechanical and Aerospace Engineering
Keywords and Phrases
Laminated Beam; Bending Analysis; Geometric Non-Linearity; Higher-Order Theory; Finite Element Model
Article - Journal
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