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Steel and Composite Structures Volume 27, Number 6, June25 2018 , pages 761-775 DOI: https://doi.org/10.12989/.2018.27.6.761 |
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Assessment of non-polynomial shear deformation theories for thermo-mechanical analysis of laminated composite plates |
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Yadwinder S. Joshan, Neeraj Grover and B.N. Si
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| Abstract | ||
| In the present work, the recently developed non-polynomial shear deformation theories are assessed for thermo-mechanical response characteristics of laminated composite plates. The applicability and accuracy of these theories for static, buckling and free vibration responses were ascertained in the recent past by several authors. However, the assessment of these theories for thermo-mechanical analysis of the laminated composite structures is still to be ascertained. The response characteristics are investigated in linear and non-linear thermal gradient and also in the presence and absence of mechanical transverse loads. The laminated composite plates are modelled using recently developed six shear deformation theories involving different shear strain functions. The principle of virtual work is used to develop the governing system of equations. The Navier type closed form solution is adopted to yield the exact solution of the developed equation for simply supported cross ply laminated plates. The thermo-mechanical response characteristics due to these six different theories are obtained and compared with the existing results. | ||
| Key Words | ||
| thermo-mechanical analysis; shear deformation theory; Navier solution; laminated plate | ||
| Address | ||
| (1) Yadwinder S. Joshan, Neeraj Grover: Department of Mechanical Engineering, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India; (2) B.N. Si: Department of Aerospace Engineering, Indian Institute of Technology Kharagpur, 721302, West Bengal, India. | ||