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Structural Engineering and Mechanics Volume 72, Number 4, November25 2019 , pages 433-441 DOI: https://doi.org/10.12989/sem.2019.72.4.433 |
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Nonlinear static analysis of laminated composite beams under hygro-thermal effect |
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Şeref D. Akbaş
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| Abstract | ||
| In this paper, geometrically nonlinear static analysis of laminated composite beams is investigated under hygrothermal effect. In the solution of problem, the finite element method is used within the first shear beam theory. Total Lagrangian approach is used nonlinear kinematic model. The geometrically nonlinear formulations are developed for the laminated beams with hygro-thermal effects. In the nonlinear solution of the problem, the Newton-Raphson method is used with incremental displacement. In order to verify of obtained formulations, a comparison study is performed. The effects of the fiber orientation angles, the stacking sequence of laminates, temperature rising and moisture changes on the nonlinear static displacements and configurations of the composite laminated beam are investigated in the numerical results. | ||
| Key Words | ||
| hygro-thermal effect, nonlinear analysis, laminated composite beams, total lagragian, finite element method | ||
| Address | ||
| Bursa Technical University | ||