A stress analysis method has been developed for a biaxially loaded fastener hole in a laminated plate of finite geometry. The method is based on a variational formulation involving complex variables. In this method, the equilibrium and compatibility equations are satisfied in the domain of the plate due to the employment of the complex stress potentials and all the boundary conditions are satisfied through a variational statement. Therefore, the requirement for finite width corrections in relatively large fastener hole cases is avoided. The method has been verified through comparison with finite element results.
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Brief Notes
1.
de Jong
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.2.
Hyer
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Klang
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Cooper
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,” Journal of Composite Materials
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.3.
Lekhnitskii, S. G., 1968, Anisotropic Plates, Gordon and Breach, New York.
4.
Mangalgiri
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Dattaguru
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, “A Large Orthotropic Plate with Misfit Pin under Arbitrarily Oriented Biaxial Loading
,” Composite Structures
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.5.
Oplinger, D. W., 1996, “Bolted Joints in Composite Structures: An Overview,” AGARD Conference Proceedings 590: Bolted/Bonded Joints in Polymeric Composites, NATO, France.
6.
Xiong
Y.
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, “An Analytical Method for Failure Prediction of Multi-Fastener Composite Joints
,” International Journal of Solids and Structures
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, pp. 4395
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.7.
Zhang
K. D.
Veng
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, “Stresses Around a Pin-Loaded Hole in Orthotropic Plates with Arbitrary Loading Direction
,” Composite Structures
, Vol. 3
, pp. 119
–142
.
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