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Dynamic Response of A Group of Cylindrical Storage Tanks with Baffles Considering the Effect of Soil Foundation

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The sloshing in a group of rigid cylindrical tanks with baffles and on soil foundation under horizontal excitation is studied analytically.The solutions for the velocity potential are derived out by the liquid subdomain method.Equivalent models with mass-spring oscillators are established to replace continuous fluid.Combined with the least square tech-nique,Chebyshev polynomials are employed to fit horizontal,rocking and horizontal-rocking coupling impedances of soil,respectively.A lumped parameter model for impedance is presented to describe the effects of soil on tank structures.A mechanical model for the soil-foundation-tank-liquid-baffle system with small amount of calculation and high accuracy is proposed using the substructure technique.The analytical solutions are in comparison with data from reported literature and numerical codes to validate the effectiveness and correctness of the model.Detailed dynamic properties and seismic responses of the soil-tank system are given for the baffle number,size and location as well as soil parameter.

cylindrical tanksmultiple annular bafflesequivalent analytical modelsoil-structure interactionsub-domain methoddynamic response

SUN Ying、WANG Jia-dong、HUO Rui-li、ZHOU Ding、GU Zhen-yuan、QIAN Wang-ping

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School of Transportation and Civil Engineering,Nantong University,Nantong 226019,China

Faculty of Civil Engineering and Mechanics,Jiangsu University,Zhenjiang 212013,China

College of Civil Engineering,Nanjing Tech University,Nanjing 211816,China

国家自然科学基金国家自然科学基金Science and Technology Plan Project of Department of Communications of Zhejiang ProvinceNantong City Social Livelihood Science and Technology Project

51978336117021172021051MS22022067

2024

10.1007/s13344-024-0011-4

中国海洋工程(英文版)
中国海洋学会

中国海洋工程(英文版)

CSTPCDEI
影响因子：0.338
ISSN：0890-5487
年,卷(期)：2024.38(1)
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