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This paper investigates the effect of water in the dynamic response of large trash-racks used in hydropower plants. These are large structures that are fully submerged in water and located in the hydraulic circuits to prevent debris and large bodies from entering the turbine. These structures are prone to suffering fatigue damage. Broken bars are rather common, which can produce damage in the turbine...
This paper describes a coupling scheme for fluid–structure interaction (FSI) applications extended to high-density fluids. The scheme is based on the classical iterative partitioned approach (one solver per physics), an approach easy to implement, but which traditionally has only been used in aeroelasticity applications. As fluid density increases convergence is no longer ensured, being clearly dependent...
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