The dynamic behaviour of hydraulic structures caused by wave impact loads
Enhancing the present design method in time and space
S. Sleeuwaegen (TU Delft - Civil Engineering & Geosciences)
Orson Tieleman – Mentor (TU Delft - Hydraulic Structures and Flood Risk)
B Hofland – Graduation committee member (TU Delft - Hydraulic Structures and Flood Risk)
R. Abspoel – Graduation committee member (TU Delft - Steel & Composite Structures)
A. Tsouvalas – Graduation committee member (TU Delft - Dynamics of Structures)
Ermano De Almeida Sousa – Graduation committee member (TU Delft - Hydraulic Structures and Flood Risk)
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Abstract
At this moment hydraulic structures are designed based on a simple method: the Dynamic Amplification Factor (DAF) method. This method does not consider the full dynamic interaction between the wave impacts, structure and water. The research project DynaHicS focusses on the dynamic behaviour of hydraulic structures, taking into account fluid-structure interaction (FSI). The main goal of the DynaHicS project is to develop new design guidelines to identify dynamic behaviour of hydraulic structures, so that more economical designs can be made in the future. The master thesis focusses on improving the current design method, which can contribute to the development of a new design method for hydraulic structures in the future. The present design method, the DAF method, is extended in time and space. This is done by developing a method to determine the force-time signal of multiple wave impacts, whereby the results from scale model tests are no longer required. In this method the spatial variation (height and width) of the wave impact force over the structure surface is taken into account.