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Elastic–plastic stress analysis of rotating functionally graded discs
Abstract In this study, elastic–plastic stress analysis of Functionally Graded (FG) discs subjected to constant angular velocity is investigated. Yielding behavior of the disc material is considered to be non-work hardening case. Elasticity modulus, density and yield strength of the disc vary radially according to a power law function. To see the distribution of the plastic region, different angular velocities are taken into consideration for such an analysis. Radial and tangential stress components are obtained for the angular velocities and gradient parameters. It is seen that the results obtained from analytical and numerical (ANSYS®) solutions are in good agreement.
Highlights Yielding region expands along the outer surface with the increasing angular velocity. The radial and tangential stresses decrease with increasing power law index. As the power index decrease, the yielding angular velocity also decrease. Load carrying capacity can be increased more with changing power index.
Elastic–plastic stress analysis of rotating functionally graded discs
Abstract In this study, elastic–plastic stress analysis of Functionally Graded (FG) discs subjected to constant angular velocity is investigated. Yielding behavior of the disc material is considered to be non-work hardening case. Elasticity modulus, density and yield strength of the disc vary radially according to a power law function. To see the distribution of the plastic region, different angular velocities are taken into consideration for such an analysis. Radial and tangential stress components are obtained for the angular velocities and gradient parameters. It is seen that the results obtained from analytical and numerical (ANSYS®) solutions are in good agreement.
Highlights Yielding region expands along the outer surface with the increasing angular velocity. The radial and tangential stresses decrease with increasing power law index. As the power index decrease, the yielding angular velocity also decrease. Load carrying capacity can be increased more with changing power index.
Elastic–plastic stress analysis of rotating functionally graded discs
Çallıoğlu, Hasan (Autor:in) / Sayer, Metin (Autor:in) / Demir, Ersin (Autor:in)
Thin-Walled Structures ; 94 ; 38-44
16.03.2015
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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