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Structural Engineering and Mechanics Volume 51, Number 6, September25 2014 , pages 939-953 DOI: https://doi.org/10.12989/sem.2014.51.6.939 |
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Displacements and stresses in pressurized thick FGM cylinders with exponentially varying properties based on FSDT |
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Mehdi Ghannad and Hamed Gharooni
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| Abstract | ||
| Using the infinitesimal theory of elasticity and analytical formulation based on the first-order shear deformation theory (FSDT) is presented for axisymmetric thick-walled cylinders made of functionally graded materials under internal and/or external uniform pressure. The material is assumed to be isotropic heterogeneous with constant Poisson\'s ratio and radially exponentially varying elastic modulus. At first, general governing equations of the FGM thick cylinders are derived by assumptions of the FSDT. Then the obtained equations are solved under the generalized clamped-clamped conditions. The results are compared with the findings of both FSDT and finite element method (FEM). | ||
| Key Words | ||
| thick cylinders; shear deformation theory; exponential; FGM; FSDT; FEM | ||
| Address | ||
| Mehdi Ghannad and Hamed Gharooni : Department of Mechanical Engineering, Shahrood University of Technology, Shahrood, Iran | ||