Micromechanics of Cracked Laminates under Uniaxial Load: A Comparison between Approaches

Table 1

Comparison of boundary conditions of the four models analyzed in the present article.

Boundary conditions governing shear lag model [12]
(i) Traction free crack surfaces
(ii) Interlaminar shear stress symmetry condition
Boundary conditions governing variational model [14]
(i) Symmetry
(ii) Traction continuity
	(iii) Traction-free end
(iv) Traction-free crack surfaces
	Boundary conditions governing McCartney model [18]
(i) Perfect interlaminar bonding
	(ii) Stress-free external surface of outer plies
(iii) Symmetry about -axis
(iv) Symmetry about -axis
	(v) Stress-free crack surface
(vi) Bridging outer plies
	Boundary conditions governing SDM model [25]
(i) Symmetry about midplane
(ii) Displacement condition at right face
(iii) Fixture at left face