Peng ZUO, Xianjie SHI. Vibration characteristics of a functionally graded material conical shell-annular plate combined tructure under a temperature field[J]. Journal of Harbin Engineering University, 2024, 45(4): 709-716.
DOI:
Peng ZUO, Xianjie SHI. Vibration characteristics of a functionally graded material conical shell-annular plate combined tructure under a temperature field[J]. Journal of Harbin Engineering University, 2024, 45(4): 709-716. DOI: 10.11990/jheu.202205046.
Vibration characteristics of a functionally graded material conical shell-annular plate combined tructure under a temperature field
the vibration characteristics of a functionally graded material conical shell-annular plate combined tructure under a temperature field are analyzed on the basis of the first-order shear deformation theory and Rayleigh-Ritz method. The displacement variables of the combined structure are represented using the spectro-geometric method
and a vibration analysis model considering temperature-related material parameters is established. The boundary conditions are simulated by introducing artificial boundary springs. In the numerical examples
the accuracy of the vibration analysis model is verified by comparing it with literature solutions and finite element solutions. The effects of parameters such as size
material
temperature and connection position on the vibration characteristics of the combined structure are then analyzed. The results show that the fundamental frequency of the combined structure increases with the increase in thickness and decreases with the increase in power law index
semiapex angle
and temperature field parameters. It also presents a nonsingle variation trend as the inner diameter and connection position of the annular plate change.
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references
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