Dam-Reservoir Interaction Analysis Using Finite Element Model

Abstract eng:
In this paper, dam-reservoir interaction is analyzed using finite element approach. The reservoir fluid domain is assumed to be incompressible and inviscid. In the derivation of boundary conditions, it is assumed that the interface of dam and reservoir is vertical. Moreover, bottom of reservoir is assumed to be rigid and horizontal. The governing equation with related boundary conditions is implemented in the finite element code considering horizontal and vertical earthquake components. The weighted residual standard galerkin method with 8-node elements is used for developing finite element model. Both sommerfeld boundary condition and perfect damping boundary condition are developed for truncating surface of unbounded fluid domain and the results of two boundary conditions are compared with analytical results.

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