A simplified method for calculating interlaminar stresses is accom plished by smearing two or more laminas as a quasi-homogeneous lamina. Numerical examples show the accuracy and the limitations of the smearing technique.
Get full access to this article
View all access options for this article.
References
1.
S.G. Lekhnitsky, "Theory of Elasticity of An Anisotropic Elastic Body," Holden-Day (1963).
2.
N.J. Pagano , "On the Calculation of Interlaminar Normal Stresses in Composite Laminates," J. Composite Materials, Vol. 8 (1974), p. 65.
3.
R.B. Pipes and N.J. Pagano, "Interlaminar Stresses in Composite Laminates - An Approximate Elasticity Solution," J. Appl. Mechanics, Vol. 41 (1974), p. 668.
4.
S. Tang and A. Levy, "A Boundary Layer Theory - Part II: Extension of Laminated Finite Strip ," J. Composite Materials, Vol. 9 (1975), p. 42.
5.
P.W. Hsu, "Interlaminar Stresses in Composite Laminates — A Perturbation Analysis," Ph.D. Thesis, VPI and SU (1976).
6.
R.B. Pipes and N.J. Pagano, "Interlaminar Stresses in Composites Under Uniform Axial Extension ," J. Composite Materials, Vol. 4 (1970), p. 538.
7.
N.J. Pagano and R.B. Pipes, "The Influence of Stacking Sequence on Laminate Strength," J. Composite Materials, Vol. 5 (1971), p. 55.
8.
A.S.D. Wang and F.W. Crossman, "Some New Results on Edge Effects in Symmetric Composite Laminates," J. Composite Materials , Vol. 11 (1977), p. 92.
9.
A.S.D. Wang and F.W. Crossman, "Edge Effects on Thermally Induced Stresses in Composite Laminates," J. Composite Materials , Vol. 11 (1977), p. 300.
10.
F.W. Crossman and A.S.D. Wang, "Stress Field Induced by Transient Moisture Sorption in Finite-Width Composite Laminates," J. Composite Materials, Vol. 12 (1978 ), p. 2.
11.
I.S. Sokolnikoff , "Mathematical Theory of Elasticity," McGraw Hill (1956), p. 89.
12.
R.M. Jones , "Mechanics of Composite Materials," Scripta (1975).
13.
R.M. Barker , J.R. Dana and C.W. Pryor, "Stress Concentrations Near Holes in Laminates ," J. Eng. Mech., ASCE, June (1974), p. 477.
14.
E.F. Rybicki and D.W. Schmueser, "Three-dimensional Finite-Element Stress Analysis of Laminated Plates Containing a Circular Hole," AFML-TR-76-92 (1976).
