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Forced vibration response analysis of hemispherical shell under complex boundary conditions
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Fu-zhen PANG, Ming ZHANG, Cong GAO, Jia-jun ZHENG, Hai-chao LI
Journal of Vibration Engineering | 2024, 37(3) : 374 - 383
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Journal of Vibration Engineering | 2024, 37(3): 374-383
Forced vibration response analysis of hemispherical shell under complex boundary conditions
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Fu-zhen PANG, Ming ZHANG, Cong GAO, Jia-jun ZHENG, Hai-chao LI
Affiliations
  • College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China
Published: 2024-03-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.03.002
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The steady-state and transient vibration responses of a medium thick hemispherical shell are obtained based on semi-analytical method. According to the first-order shear deformation theory,the energy expression of the spherical shell structure is deduced. The Jacobi orthogonal polynomials and Fourier series are introduced to represent the axial and circumferential displacements of the hemispherical shell structure. The steady vibration response of the hemispherical shell is obtained by Ritz method. The results are compared with the finite element method to verify the feasibility of the presented method in this paper. On this basis,the characteristics of steady and transient vibration of the hemispherical shell under different boundary conditions,truncated angle and shell thickness are summarized and analyzed.

hemisphere shell  /  steady state vibration  /  semi analytical method  /  transient vibration
Fu-zhen PANG, Ming ZHANG, Cong GAO, Jia-jun ZHENG, Hai-chao LI. Forced vibration response analysis of hemispherical shell under complex boundary conditions[J]. Journal of Vibration Engineering, 2024 , 37 (3) : 374 -383 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.03.002
Year 2024 volume 37 Issue 3
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.03.002
  • Receive Date:2022-06-09
  • Online Date:2026-02-10
  • Published:2024-03-28
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  • Received:2022-06-09
  • Revised:2022-08-15
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    College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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