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C. Adam:
"Moderately large flexural vibrations of sandwich plates with thick layers";
PAMM - Proceedings in Applied Mathematics and Mechanics, 3 (2003), 96 - 97.

In this paper moderately large amplitude vibrations of a polygonally
shaped composite plate with thick layers are analyzed. Three
homogeneous and isotropic layers with a common Poisson's ratio are
perfectly bonded, and their arbitrary thickness and material
properties are symmetrically disposed about the middle plane.
Mindlin-Reissner kinematic assumptions are implemented layerwise, and
as such model both the global and local response. Geometric nonlinear
effects arising from longitudinally constrained supports are taken
into account by Berger's approximation of nonlinear
strain-displacement relations. The shear stress continuity across the
interfaces is prescribed according to Hooke's law, and subsequently,
a correspondence of this higher order problem to the simpler case of
a homogenized shear-deformable nonlinear plate with effective
stiffness and hard hinged boundary conditions is found.

http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC04403277

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