A New Hybrid-Mixed Composite Laminated Curved Beam Element

In this study, we piesent a new efficient hybrid-mixed composite laminated curved beam element The present element, which is based on the Helhnger-Reissnet vatiational principle and the first-order shear deformation lamination theory, employs consistent stress parameters coriespondmg to cubic displa...

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Bibliographic Details
Published in:Journal of mechanical science and technology 2005-03, Vol.19 (3), p.811-819
Main Authors: LEE, Ho-Cheol, KIM, Jin-Gon
Format: Article
Language:English
Subjects:
Applied sciences
Condensing
Curved beams
Displacement
Equilibrium equations
Exact sciences and technology
Finite element method
Fundamental areas of phenomenology (including applications)
Mathematical models
Mechanical engineering. Machine design
Parameters
Physics
Polynomials
Shear deformation
Solid mechanics
Static elasticity (thermoelasticity...)
Stiffness matrix
Stresses
Structural and continuum mechanics
Studies
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Summary:In this study, we piesent a new efficient hybrid-mixed composite laminated curved beam element The present element, which is based on the Helhnger-Reissnet vatiational principle and the first-order shear deformation lamination theory, employs consistent stress parameters coriespondmg to cubic displacement polynomials with additional nodeless degrees in order to lesolve the numerical difficulties due to the spurious constraints The stress parameters are eliminated and the nodeless degrees are condensed out to obtain the (6X6) element stiffness matrix The present study also incorporates the straightforwaid prediction of interlaminar stresses from equilibrium equations Seveial numencal examples confirm the superioi behavior of the present composite laminated curved beam element
ISSN:1738-494X
1976-3824
DOI:10.1007/BF02916129