Steel and Composite Structures

  • 제47권1호
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  • Pages.71-77
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  • 2023
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Elastic wave propagation analysis in sandwich nanoplate assuming size effects

  • Amir Behshad (Faculty of Technology and Mining, Yasouj University) ;
  • Maryam Shokravi (Department of Education, Mehrab High School) ;
  • Akbar Shafiei Alavijeh (Department of Civil Engineering, Jasb Branch, Islamic Azad University) ;
  • Hamed, Karami (Department of Civil Engineering, Jasb Branch, Islamic Azad University)
  • 투고 : 2021.01.03
  • 심사 : 2023.03.23
  • 발행 : 2023.04.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a study on the wave propagation of functionally graded material (FGM) sandwich nanoplates with soft core resting on a Winkler foundation. The structure is modelled by classical theory. Motion equations are derived by the assumption of nonlocal Eringen theory and energy method. Then, the equations are solved using an exact method for finding phase velocity responses. The effects of Winkler foundation, nonlocal parameters, thickness and mode number on the dispersion of elastic waves are shown. With the increase of spring constant, the speed of wave propagation increases and reaches a uniform state at a higher wave number.

키워드

참고문헌

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