Layered structures and composite laminates

(Refer to:
Pan, E., Yang, B., Cai, G. and Yuan, F. G. (2001): Stress analysis around holes in composite laminates using boundary element method. Engineering Analysis with Boundary Elements, 25: 31-40.
Yang, B., Pan, E., and Yuan, F. G. (2003): Three-dimensional stress analyses in composite laminates with an elastically pinned hole, International Journal of Solids and Structures, 40: 2017-2035)


(1) Hoop stress


Hoop stress along the hole in a multi-layered composite


(2) Deformation of the Hole Boundary


Deformation of the hole boundary in a four-layered (90/0) symmetric composite plate