Vibration of laminated composite skew hypar shells using higher order theory

A Kumar, P Bhargava, A Chakrabarti - Thin-Walled Structures, 2013 - Elsevier
Thin-Walled Structures, 2013Elsevier
Free vibration analysis of laminated composite skew hypar shells are presented using a C0
finite element (FE) formulation based on higher order shear deformation theory (HSDT).
Effect of cross curvature is included in the formulation. The C0 finite element formulation has
been done quite efficiently to overcome the problem of C1 continuity associated with the
HSDT. The isoparametric FE used in the present model consists of nine nodes with seven
nodal unknowns per node. Since there are no results available in the literature based on …
Free vibration analysis of laminated composite skew hypar shells are presented using a C0 finite element (FE) formulation based on higher order shear deformation theory (HSDT). Effect of cross curvature is included in the formulation. The C0 finite element formulation has been done quite efficiently to overcome the problem of C1 continuity associated with the HSDT. The isoparametric FE used in the present model consists of nine nodes with seven nodal unknowns per node. Since there are no results available in the literature based on HSDT on the problem of free vibration of laminated composite skew hypar shells, present results are validated with the results available for laminated composite hypar shells without skew angle and with the results available for laminated composite skew plates. New results are presented by varying geometry, boundary conditions, ply orientations and skew angles.
Elsevier
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