Earthquake analysis of gravity dam-reservoir systems using the Eulerian and Lagrangian approaches
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2022, Theoretical and Applied Fracture MechanicsCitation Excerpt :It has widely been recognised that the hydrodynamic pressure induced by dynamic dam-reservoir interaction is a key factor that cannot be neglected in comprehensive estimation of dam seismic response [13]. To date, the dam-reservoir interaction can be considered from three aspects [44], i.e. added mass, Eulerian, and Lagrangian approaches. Among them, the added mass approach proposed by Westergaard [28] is adopted in the present study because it has been generally accepted as the most simple and convenient technique to consider the hydrodynamic effects [24].
A nonlinear analysis of dynamic interactions of CFRD–compressible reservoir system based on FEM–SBFEM
2018, Soil Dynamics and Earthquake EngineeringCitation Excerpt :Because of its importance to the evaluation of the seismic safety of a dam, the hydrodynamic pressure on the dam face under seismic action is always a factor of concern in theoretical and numerical calculations. In the analysis of dynamic dam–reservoir interactions, reservoir water compressibility is a critical factor and a focus of research; the relevant studies concentrate primarily on arch and gravity dams [1–4]. Previous research has shown that compared with the assumption of incompressible water, it is more complex and time consuming to solve problems when the compressibility of the reservoir water is considered.
A symmetric implementation of pressure-based fluid–structure interaction for nonlinear dynamic analysis of arch dams
2017, Journal of Fluids and StructuresCitation Excerpt :The Lagrangian approach works as an extension of the classical displacement-based theory for fluid domains. The unknown variables in this approach include displacements in both solid and fluid domains (Calayir et al., 1996; Dogangun et al., 1996; Calayir and Karaton, 2005; Amina et al., 2015). Fluid elements are formulated using the same shape functions as solid elements and no special interface treatment is required because the compatibility at the interface is automatically satisfied.
Finite element seismic safety assessment of water intake structures
2014, Finite Elements in Analysis and DesignUnderwater Explosion Resistance Performance of an Old Gravity Dam without Good Longitudinal-Joint Connection Integrity: Coupled Acoustic-Structural Analysis
2023, Journal of Performance of Constructed FacilitiesSeismic analysis of Fractured Koyna Concrete Gravity Dam
2023, Archives of Hydroengineering and Environmental Mechanics