지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.2
- 수록면
- 32 - 39 (8page)
이용수
초록· 키워드
오류제보하기
Energy flow analysis (EFA) models that account for significant shear deformation and the rotatory inertia effects in out-of-plane motion are essential for performing reliable EFA of practical composite structures, such as large ships or offshore platforms. The power coefficients for transmitted and reflected waves caused by incident waves at arbitrary angles in the incident Mindlin plate were derived by analyzing the displacement fields of semi-infinite Mindlin plates and an infinite Timoshenko beam. This enables the determination of the power transmission and reflection coefficients for diffuse fields, which are crucial for calculating the frequency-averaged vibrational power transfer relationship among coupled finite structures. The power transfer relationship, derived from the undamped wave solutions of the Mindlin plate and the Timoshenko beam, showed through numerical examples that the stiffening Timoshenko beam effectively insulates the Mindlin plate from out-of-plane vibrational power. Numerical analysis showed that the stiffening beam effectively blocks the vibrational power transmission of out-of-plane waves in the incident Mindlin plate. In addition, the power transmission and reflection tendencies of these waves vary with the cross-sectional size of the stiffening Timoshenko beam. This approach aims to enhance the reliability of vibrational analysis for stiffened plate structures.
목차
ABSTRACT
1. Introduction
2. Mindlin Plate Theory and Timoshenko Beam Theory
3. Wave Transmission Analysis of Semi-Infinite Co-planar Mindlin Plates Stiffened with a Timoshenko Beam
4. Numerical Examples
5. Conclusions
References
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