Seismic analysis of a concrete gravity dam with Water reservoir and foundation ABAQUS
In this example we intend to simulate the earthquake of concrete dam in interaction with water reservoir and the foundation in the Abaqus software
We use the concrete damaged plasticity material model for dam , Acoustic property as Bulk Modulus for water
Far-field conditions on the bottom and right-hand-side boundaries and left-hand-side boundaries are modeled by infinite elements , element type CINPE4
The far field is modeled with CINPE4 infinite elements
In this example we use three steps , first step for the gravity load , second step for the hydrostatic pressure and For the dynamic analysis in the third step the transverse components of the ground accelerations are applied to all nodes at the base of the dam
The earthquake duration is 10 seconds
Prior to the earthquake excitation, the dam is subjected to gravity loading due to its self-weight and to the hydrostatic pressure of the reservoir on the upstream wall
For simulation water we use Acoustic elements AC2D
The infinite elements have been utilized in order to propagate the waves out of the foundation and for nonreflecting of them
In this example we create boundary condition for leading the compressive waves out of the Acoustic space and nonreflecting of them into that place , To do so , we use Acoustic impedance
Duration :47 minutes
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