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Structural Engineering and Mechanics Volume 16, Number 6, December 2003 , pages 655-674 DOI: https://doi.org/10.12989/sem.2003.16.6.655 |
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Natural vibration analysis of coaxial shells coupled with fluid |
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Myung Jo Jhung, Young Hwan Choi and Kyeong Hoon Jeong
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| Abstract | ||
| Investigated in this study are the natural vibration characteristics of the coaxial cylindrical shells coupled with a fluid. Theoretical method is developed to find the natural frequencies of the shell using the finite Fourier series expansion, and their results are compared with those of finite element method to verify the validation of the method developed. The effect of the fluid-filled annulus and the boundary conditions on the modal characteristics of the coaxial shells is investigated using a finite element modeling. | ||
| Key Words | ||
| cylindrical shell; modal characteristic; fluid-filled annulus; Fourier series; finite element method. | ||
| Address | ||
| Myung Jo Jhung and Young Hwan Choi Korea Institute of Nuclear Safety, 19 Guseong-dong, Yuseong-gu, Daejeon 305-338, Korea Kyeong Hoon Jeong Korea Atomic Energy Research Institute, 150 Dukjin-dong, Yuseong-gu, Daejeon 305-353, Korea | ||