Horizontal vibration of a rigid disk buried in a poroelastic half-space in contact with a fluid half-space |
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| Institution: | College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, PR China;Department of Geotechnical Engineering, Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, College of Civil Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, PR China;Instituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (SIANI), Universidad de Las Palmas de Gran Canaria, Spain;College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China;College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China |
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| Abstract: | This paper addresses the horizontal vibration of a rigid disk embedded in a poroelastic half-space in contact with a fluid half-space using the poroelastic theory of potentials. The solution of this problem is expressed in terms of dual integral equations that are converted into Fredholm integral equations of the second kind and solved numerically. Selected numerical results for the horizontal dynamic impedance coefficient are examined based on different poroelastic materials, embedment depths, and excitation frequencies; furthermore, the results are analyzed for the cases in which there is and is no fluid overlying the poroelastic medium to examine the effect of fluid. The results of this study are helpful for designing a foundation embedded in the seabed due to dynamic horizontal forces. |
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