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3D Nonlinear Hydrodynamic Analysis of Vertical Cylinder during Earthquakes. I: Rigid Motion
Publisher: American Society of Civil Engineers
Abstract: A finite-difference scheme was developed to solve nonlinear hydrodynamic pressures acting on a rigid vertical offshore cylinder during earthquakes. A complete three-dimensional (3D) analysis was conducted; not only were ...
Viscous Fluid in Tank under Coupled Surge, Heave, and Pitch Motions
Publisher: American Society of Civil Engineers
Abstract: A tank might be simultaneously excited by surge, heave, and pitch ground motions during earthquakes. A time-independent finite-difference method is used to intensively study the combined effects of surge, heave, and pitch ...
Hydrodynamic Pressures on Arch Dam during Earthquakes
Publisher: American Society of Civil Engineers
Abstract: A complete three-dimensional finite difference scheme has been developed and used to analyze the nonlinear hydrodynamic pressures on arch dam during earthquakes. Both free-surface waves and nonlinear convective acceleration ...
Complete 2D and Fully Nonlinear Analysis of Ideal Fluid in Tanks
Publisher: American Society of Civil Engineers
Abstract: A two-dimensional rectangular tank with rigid walls is used as the example for presenting the concepts of fully nonlinear and complete dimensional analysis. The container is subjected to simultaneous action of horizontal ...
Numerical Study of Tidal Effects on Seawater Intrusion in Confined and Unconfined Aquifers by Time-Independent Finite-Difference Method
Publisher: American Society of Civil Engineers
Abstract: This study presents a two-dimensional time-independent finite difference model to simulate tidal effects on the intrusion of seawater in either a confined or phreatic aquifer. The model considers a sloped beach face. The ...
Nonlinear Hydrodynamic Pressure on Dams
Publisher: American Society of Civil Engineers
Abstract: The dynamic interaction between nonlinear hydrodynamic pressures and the vibration of a concrete gravity dam is analyzed by coupling Euler's equations with a finite element model of the dam. The earthquake force components ...
Dynamic Pressure of Water and Sediment on Rigid Dam
Publisher: American Society of Civil Engineers
Abstract: Earthquake response of reservoir sediment and its dynamic interaction with the impounded water are analyzed using a two‐dimensional model of poroelastic media. The pressure wave equation for the pore water and the sediment ...