Behavior of laminated shell composite with imperfect contact between the layers

Guinovart Sanjuán, David; Rizzoni, Raffaella; Rodríguez Ramos, Reinaldo; Guinovart Díaz, Raúl; Bravo Castillero, Julián; Alfonso Rodríguez, Ransés; Lebon, Frederic; Dumont, Serge; Sevostianov, Igor; Sabina, Federico J.

doi:10.1016/j.compstruct.2017.05.058

The paper focuses on the calculation of the effective elastic properties of a laminated composite shell with imperfect contact between the layers. To achieve this goal, first the two-scale asymptotic homogenization method (AHM) is applied to derive the solutions for the local problems and to obtain the effective elastic properties of a two-layer spherical shell with imperfect contact between the layers. The results are compared with the numerical solution obtained by finite elements method (FEM). The limit case of a laminate shell composite with perfect contact at the interface is recovered. Second, the elastic properties of a spherical heterogeneous structure with isotropic periodic microstructure and imperfect contact is analyzed with the spherical assemblage model (SAM). The homogenized equilibrium equation for a spherical composite is solved using AHM and the results are compared with the exact analytical solution obtained with SAM.

Titolo:	Behavior of laminated shell composite with imperfect contact between the layers
Autori:	Guinovart Sanjuán, David (Primo) (Corresponding) RIZZONI, Raffaella (Secondo) Rodríguez Ramos, Reinaldo Guinovart Díaz, Raúl Bravo Castillero, Julián Alfonso Rodríguez, Ransés LEBON, FREDERIC Dumont, Serge Sevostianov, Igor Sabina, Federico J. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2017
Rivista:	COMPOSITE STRUCTURES
Handle:	http://hdl.handle.net/11392/2371788
Appare nelle tipologie:	03.1 Articolo su rivista

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http://hdl.handle.net/11392/2371788

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