Static and dynamic nonlinear stability analyses of hybrid sandwich composite beams under variable in-plane loads

Post-buckling and dynamic nonlinear stability analyses of a sandwich functionally graded material (FGM) composite beam subject to in-plane compressive static and periodic loading are conducted by implementing a higher-order shear deformation with von Karman kinematics. The dynamic instability region...

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Bibliographic Details
Published inJournal of mechanical science and technology Vol. 35; no. 9; pp. 3895 - 3908
Main Authors Lal, Achchhe, Markad, Kanif
Format Journal Article
LanguageEnglish
Published Seoul Korean Society of Mechanical Engineers 01.09.2021
Springer Nature B.V
대한기계학회
Subjects
Composite beams
Composite materials
Control
Dynamic stability
Dynamical Systems
Engineering
Functionally gradient materials
Industrial and Production Engineering
Kinematics
Laminates
Mechanical Engineering
Multilayers
Original Article
Postbuckling
Shape memory
Shear deformation
Stability analysis
Vibration
기계공학
VIL
SMPC
FGM
SMP
FEM
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Summary:Post-buckling and dynamic nonlinear stability analyses of a sandwich functionally graded material (FGM) composite beam subject to in-plane compressive static and periodic loading are conducted by implementing a higher-order shear deformation with von Karman kinematics. The dynamic instability region is evaluated using the Mathieu-Hill-type equation in Bolotin’s method. Comparisons of the layered composite beam, FGM sandwich composite beam, shape memory polymer (SMP) composite beam, and SMP-FGM sandwich composite beam with variable in-plane loads ( N x 1 , N x 2 , N x 3 ) are depicted for the first time in the current work. The unstable region of N x 3 is lower compared with those of N x 1 and N x 2 .
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ISSN:1738-494X
1976-3824
DOI:10.1007/s12206-021-0803-x