Stress Redistribution Analysis of Piezomagnetic Rotating Thick-Walled Cylinder with Temperature-and Moisture-Dependent Material Properties

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Saadatfar Mahdi

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Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS Year:2020 | Volume:6 | Issue:1 Page(s): 90-104

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Title

Stress Redistribution Analysis of Piezomagnetic Rotating Thick-Walled Cylinder with Temperature-and Moisture-Dependent Material Properties

Author(s)

Saadatfar Mahdi | Issue Writer Certificate

Keywords

Hollow cylinder

Piezomagnetic

Hygrothermal condition

Time-dependent analysis

Abstract

In this article, the problem of time-dependent stress redistribution of a Piezomagnetic rotating thick-walled cylinder under an axisymmetric hygro-thermo-magneto-electro-mechanical loading is analyzed analytically for the condition of plane strain. Using the constitutive equations, a differential equation is found in which there are creep strains. Primarily, eliminating creep strains, an analytical solution for the primitive electric and magnetic potential in addition to stresses is obtained. Then, creep strains are kept and creep stress rates are found by utilizing Norton’ s law and Prandtl-Reuss equations for steady-state hygrothermal boundary condition. Lastly, the history of stresses and radial displacement as well as magnetic and potential fields during the time is obtained using an iterative method. In the numerical examples, the effect of angular velocity, hygrothermal loading and thermal and moisture concentration dependency of elastic constants is investigated comprehensively.

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APA: Copy

Saadatfar, Mahdi. (2020). Stress Redistribution Analysis of Piezomagnetic Rotating Thick-Walled Cylinder with Temperature-and Moisture-Dependent Material Properties. JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS, 6(1), 90-104. SID. https://sid.ir/paper/353217/en

Vancouver: Copy

Saadatfar Mahdi. Stress Redistribution Analysis of Piezomagnetic Rotating Thick-Walled Cylinder with Temperature-and Moisture-Dependent Material Properties. JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS[Internet]. 2020;6(1):90-104. Available from: https://sid.ir/paper/353217/en

IEEE: Copy

Mahdi Saadatfar, “Stress Redistribution Analysis of Piezomagnetic Rotating Thick-Walled Cylinder with Temperature-and Moisture-Dependent Material Properties,” JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS, vol. 6, no. 1, pp. 90–104, 2020, [Online]. Available: https://sid.ir/paper/353217/en

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