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Vibration characteristics analysis of composite double-layer spherical shell and annular plate coupled structure
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Dong-yan SHI1, Ying ZHANG1, 2, Dong-ze HE1
Journal of Vibration Engineering | 2024, 37(2) : 258 - 266
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Journal of Vibration Engineering | 2024, 37(2): 258-266
Vibration characteristics analysis of composite double-layer spherical shell and annular plate coupled structure
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Dong-yan SHI1, Ying ZHANG1, 2, Dong-ze HE1
Affiliations
  • 1College of Mechanical and Electrical Engineering,Harbin Engineering University,Harbin 150001,China
  • 2College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Published: 2024-02-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.02.008
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In this paper，the analytical model of the vibration characteristics for the composite double-layer spherical shell and annular plate coupled structure under different boundary conditions is constructed using the spectral geometry method based on the first-order shear deformation theory，and the boundary conditions of the coupled structure are simulated by the artificial virtual spring technique. The coupling relationship between the sub-structures is simulated by arranging the coupling spring simulator according to the connection relationship. The Hamiltonian principle is applied to derive the characteristic equations of the composite double-layer spherical shell and annular plate coupled structure，and the inherent characteristics and steady-state response of the coupled structure are solved. The results obtained are compared with the results of finite element method to verify the correctness of the calculations. The effects of geometric parameters，material parameters on the vibration response of the composite double-layer spherical shell and annular plate coupled structure are analyzed.

coupled structure  /  vibration characteristics  /  composite double-layer spherical shell  /  annular plate  /  spectral geometry method
Dong-yan SHI, Ying ZHANG, Dong-ze HE. Vibration characteristics analysis of composite double-layer spherical shell and annular plate coupled structure[J]. Journal of Vibration Engineering, 2024 , 37 (2) : 258 -266 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.02.008
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Year 2024 volume 37 Issue 2
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.02.008
  • Receive Date：2022-05-17
  • Online Date：2026-02-10
  • Published：2024-02-28
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  • Received：2022-05-17
  • Revised：2022-06-19
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    1College of Mechanical and Electrical Engineering,Harbin Engineering University,Harbin 150001,China
    2College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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