Magneto-electro vibration analysis of a moderately thick double-curved sandwich panel with porous core and GPLRC using FSDT

سال انتشار: 1404
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 13

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شناسه ملی سند علمی:

JR_JCAM-56-3_009

تاریخ نمایه سازی: 8 تیر 1404

چکیده مقاله:

In the present study, the magneto-electro vibration analysis of a moderately thick double-curved sandwich panel with porous core and graphene platelets reinforced composite (GPLRC) based on the nonlocal strain gradient theory (NSGT) is investigated. The displacement field of a moderately thick double-curved sandwich panel is considered as the first-order shear deformation theory (FSDT). The equations of motion are derived using Hamilton's principle and these equations are solved by Navier's method. The effect of various parameters, including magnetic and electric fields, aspect ratio, core-to-face thickness ratio, volume fraction of GPLs, different porosity distributions, various GPLs distributions, and curvature radius on the dimensionless natural frequencies of a moderately thick doubly-curved sandwich panel is examined. In this research, the sandwich structures become consist of two thin face sheets with high strength and a thick, soft, and flexible core with low density, because the scientists follow to enhance the strength to weight in the sandwich structures that these structures are used in various industries. In this article, the doubly-curved sandwich panel includes cylindrical, spherical, and elliptical shapes. The main finding of this research is that the dimensionless natural frequency reaches its maximum value at .

کلیدواژه ها:

Magneto-electro vibration ، Moderately thick double-curved sandwich panel ، Porous core ، GPLs ، Nonlocal strain gradient theory and First-order shear deformation theory

نویسندگان

Mohammad Ali Mohammadimehr

Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran, Postcode:۸۷۳۱۷-۵۳۱۵۳

Abbas Loghman

Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran, Postcode:۸۷۳۱۷-۵۳۱۵۳

Saeed Amir

Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran, Postcode:۸۷۳۱۷-۵۳۱۵۳

Mehdi Mohammadimehr

Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran, Postcode:۸۷۳۱۷-۵۳۱۵۳

Ehsan Arshid

Faculty of Engineering, Mahallat Institute of Higher Education, Mahallat, Iran

Ömer Civalek

China Medical University Hospital, China Medical University, Taichung, Taiwan

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