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Published in:
2011 | OriginalPaper | Chapter
First-Order Shear Analysis of Sandwich Beams
Authors : L. A. Carlsson, G. A. Kardomateas
Published in: Structural and Failure Mechanics of Sandwich Composites
Publisher: Springer Netherlands
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In this chapter the first-order, two-dimensional shear deformation theory analysis presented in Chapter 3 is specialized to beams. First a general analysis of sandwich beams is developed which is subsequently applied to a threepoint flexure loaded sandwich beam. Simplified beam analysis is developed by reducing the 3 × 3 plate stiffness matrices [
A
], [
B
], [
C
] and [
D
] to single stiffnesses
A
,
B
,
C
and
D
, and explicit expressions valid for symmetric beams with thin face sheets are derived. In the final section, three-point flexure testing of sandwich beams and analysis to determine the bending and shear stiffnesses from measured compliance data are outlined.