The objective of this paper is to determine the effect of several critical stitching parameters ont he structural performance of a composite laminate. The stitching parameters investigated include stitch diameter, material, and density. To investigate the effect of these parameters, a composite plate was modeled as an orthotropic laminate supported at discrete locations by an elastic foundation. The locations of support are those strands of fiber that traverse through the thickness of the laminate, with the stiffness of the foundation proportional to the stiffness of the fiber threads. Solutions are obtained by using the equilibrium method for finding critical buckling loads. Results are given for a veriety of stitching thread diameter, material, and density.
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