Shear Modulus of Elasticity for Thin-Walled Trapezoidal Corrugated Cores of Seven-Layer Sandwich Plates
Abstract
The subject of the paper are two thin-walled trapezoidal corrugated cores of seven-layer sandwich plates. Transverse shear modules of these cores are analytically determined and numerically - FEM studied. Results of both methods are compared for an example plate.Keywords:
sandwich plates, corrugated cores, elastic shear modulusReferences
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2. Bartolozzi G., Baldanzini N., Pierini M., Equivalent properties for corrugated cores of sandwich structures: A general analytical method, Composite Structures, 108, 736–746, 2014.
3. Carlsson L.A., Nordstrand T., Westerlind B., On the elastic stiffnesses of corrugated core sandwich, Journal of Sandwich Structures and Materials, 3, 4, 253–267, 2001.
4. Cheng Q.H., Lee H.P., Lu C., A numerical analysis approach for evaluating elastic constants of sandwich structures with various core, Composite Structures, 74, 226–236, 2006.
5. Isaksson P., Krusper A. and Gradin P.A., Shear correction factor for corrugated core structures, Composite Structures, 80, 123–130, 2007.
6. Kazemahvazi S., Zenkert D., Corrugated all-composite sandwich structures, Part 1: Modeling, Composites Science and Technology, 69, 7–8, 913–919, 2009.
7. Libove C., Hubka R.E., Elastic constants for corrugated-core. Sandwich plates, Technical Note 2289, NACA, Washington 1951.
8. Magnucka-Blandzi E., Magnucki K., Transverse shear modulus of elasticity for thin-walled corrugated cores of sandwich beams. Theoretical study. Journal of Theoretical and Applied Mechanics, 52 ,4, 971–980, 2014.
9. Magnucka-Blandzi E., Magnucki K., Wittenbek L., Mathematical modelling of shearing effect for sandwich beams with sinusoidal corrugated cores, Applied Mathematical Modelling, 39, 9, 2015.
10. Magnucki K., Jasion P., Kruś M., Kuligowski P., Wittenbeck L., Strength and buckling of sandwich beams with corrugated core, Journal of Theoretical and Applied Mechanics, 51, 1, 15–24, 2013.
11. Peng LX., Liew K.M., Kitipornchai S., Analysis of stiffened corrugated plates based on the FSDT via the mesh-free method, International Journal of Mechanical Sciences, 49, 3, 364–378, 2007.
12. Timoshenko S., Goodier J.N., Theory of elasticity, McGraw-Hill Book Comp. New York, Toronto, London, 1951.
