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Modified couple stress and thickness-stretching included formulation of a sandwich micro shell subjected to electro-magnetic load resting on elastic foundation |
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| Institution: | 1. School of Energy Engineering, Huanghuai University, Zhumadian, 463000, Henan, China;2. Henan Key Laboratory of Smart Lighting, Huanghuai University, Zhumadian, 463000, Henan, China;3. School of Culture and Communication, Zhumadian, 463000, Henan, China;4. Faculty of Mechanical Engineering, Department of Solid Mechanics, University of Kashan, Kashan, 87317-51167, Iran;5. Department of Engineering and Architecture, University of Parma, Parco Area delle Scienze 181/A, 43124, Parma, Italy |
| Abstract: | This paper studies electromagnetoelastic static investigation of a sandwich doubly curved microshell subjected to multi-field loading based on a new thickness stretching included refined higher order shear/normal deformable model. Modified-couple-stress-theory (MCST) is used for accounting small-scale-dependency. The numerical results are derived using an analytical method. The effect of small scale parameter in micro scale, initial electric and magnetic potentials and foundation parameters is studied on the electromagnetoelastic bending results. It is confirmed an enhancing in stiffness of small scale shell with an increase in micro length scale parameter. |
| Keywords: | Electromagnetoelastic bending analysis Curved shell Thickness stretching formulation Modified couple stress theory |
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