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Seismic response analysis of two-stage variable damping TMD considering liquid sloshing in an annular water tank
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Tong OU1, Jiexin LUO1, Songwei LIN1, 2, Yanhui LIU3
Journal of Vibration Engineering | 2025, 38(8) : 1870 - 1877
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Journal of Vibration Engineering | 2025, 38(8): 1870-1877
Seismic response analysis of two-stage variable damping TMD considering liquid sloshing in an annular water tank
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Tong OU1, Jiexin LUO1, Songwei LIN1, 2, Yanhui LIU3
Affiliations
  • 1.Guangdong Architectural Design & Research Institute Co., Ltd., Guangzhou 510010，China
  • 2.School of Civil Engineering and Transportation，Guangzhou University，Guangzhou 510006，China
  • 3.Earthquake Engineering Research and Test Center，Guangzhou University，Guangzhou 510006，China
Published: 2025-08-10 doi: 10.16385/j.cnki.issn.1004-4523.202308042
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In order to consider the effect of liquid sloshing in an annular water tank on mechanical performance of a two-stage variable damping TMD，taking an actual high-rise structure as an example，a global model considering the water tank as a particle and the liquid-solid coupling model of the water tank under the full water state and the non-full water state are established by ABAQUS software. The seismic responses of the two-stage variable damping TMD under different liquid-solid coupling states are compared and analyzed. The results show that the amplitude and maximum damping force of the two-stage variable damping TMD considering liquid sloshing are larger under larger seismic excitation，and the sloshing effect of liquid inhibits the full development of the second-stage damping energy consumption of the two-stage variable damping TMD. With the increase of seismic excitation，the maximum base shear force of the liquid-solid coupling model is larger than that of the particle model，and the relative increase amplitude increases accordingly.

high-rise structure  /  two-stage variable damping  /  liquid-solid coupling  /  annular water tank  /  TMD  /  seismic excitation
Tong OU, Jiexin LUO, Songwei LIN, Yanhui LIU. Seismic response analysis of two-stage variable damping TMD considering liquid sloshing in an annular water tank[J]. Journal of Vibration Engineering, 2025 , 38 (8) : 1870 -1877 . DOI: 10.16385/j.cnki.issn.1004-4523.202308042
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202308042
  • Receive Date：2023-08-22
  • Online Date：2026-02-09
  • Published：2025-08-10
Article Data
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History
  • Received：2023-08-22
  • Revised：2023-10-17
Funding
Affiliations
    1.Guangdong Architectural Design & Research Institute Co., Ltd., Guangzhou 510010，China
    2.School of Civil Engineering and Transportation，Guangzhou University，Guangzhou 510006，China
    3.Earthquake Engineering Research and Test Center，Guangzhou University，Guangzhou 510006，China
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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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