Interlaminar stresses and displacements of each layer satisfying geo metrical boundary conditions are represented in series of Legendre poly nomials. The extended Galerkin procedure is used for each layer, and the final solutions are obtained by requiring the satisfaction of continuity conditions at each interface and the stress boundary conditions at exterior planes. A computer program has been prepared, and numerical results are presented and compared with existing data.
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References
1.
N.J. Pagano and R.B. Pipes, "Some Observations on the Interlaminar Strength of Composite Laminates," International J Mechanical Sciences, Vol. 15, (1973), p. 679.
2.
E.F. Rybicki , "Approximate Three-Dimensional Solutions for Symmetric Laminates under Inplane Loading," J Composite Materials , Vol 5, (1971), p. 354
3.
R.B. Pipe, "Interlaminar Stresses m Composite Laminates," Al ML-TR-72-18, May 1972
4.
R.B. Pipes and N.J. Pagano, "Interlaminar Stresses in Composite Laminates under Uniform Axial Extension ," J Composite Materials, Vol 4, (1970), p 538.
5.
P.W. Hsu and C.T. Herakovich , "A Perturbation Solution for Interlaminar Stresses in Composite Laminates," ASTM 4th Conference on Composite Materials Testing and Dcsign, Valley Forge, PA , May 1976.
6.
P.W. Hsu and C.T. Herakovich , "Edge Effects in Angle-Ply Composite Laminates ," J Composite Materials, Vol 11, (1977), p 422.
7.
A.S.D. Wang and F.W. Crossman, "Some New Results on I dge I flect in Symmetric Composite Laminates," J Composite Materials , Vol 11, (1977), p 92
8.
S. Tang, "A Boundary Layer Theory - Part I: Laminated Composites in Plane Stress ," J. Composite Materials, Vol. 9, (1975), p. 33.
9.
S. Tang and A. Levy, "A Boundary Layer Theory - Part II: Extension of Laminated Finite Strip ," J. Composite Materials, Vol. 9, (1975), p. 42.
10.
J.N. Dickson, "Computer Programs for the Determination of Equivalent Stiffness or Section Properties of Laminated Composite Plates, Beams, and Skin-Stringer Panels," SMN327, Lockheed-Georgia Co., February 28, 1974.
