Browsing by Author "Al-Mashhadani, Haithem"
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Item NUMERICAL ANALYSIS OF FIXED-ENDED MULTILAYER AND FGM ELASTIC TUBES UNDER THERMAL AND MECHANICAL LOADS(2022-02-15) Al-Mashhadani, Haithem; Akış, TolgaA numerical procedure is presented in this study in order to determine the elastic behavior of multilayer and FGM cylindrical thick-walled tubes with fixed ends under thermal and mechanical loads. In the first part of the study, using the symbolic computation software MATHEMATICA, the expressions of temperature distribution, stress components and radial displacement are derived for single layer tubes with different loading and boundary conditions. Then, using the numerical solution option of MATHEMATICA, the stress response of the fixed-ended multilayer tubes under thermal and mechanical loads are obtained by the simultaneous solution of a series of nonlinear equations. The validity of the numerical procedure is checked by comparing the solutions of several multilayer and FGM tube problems given in different studies with the solutions obtained by the proposed method. For multilayer tubes, almost identical results are obtained, while for FGM tubes, closer results are obtained when the numbers of the layers are increased. The proposed method is easy to be implemented and can be used especially for axisymmetric FGM tube, shaft, and disk problems where the analytical solutions cannot be obtained.