Modelica Component Models for Non-diffracting Floating Objects and Quasi-static Catenary Moorings
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In this paper, the theory behind determining the hydrodynamic response of a floating object in the presence of waves is discussed, followed by a simplification for the case of wave-transparent objects. The Morison equation is introduced as a means to estimate lateral wave and current loads on slender bodies. The quasi-static catenary approach to determine mooring forces is then discussed. Development of Modelica component-models to simulate the hydrodynamic response of free-floating and catenarymoored non-diffracting objects, in the presence of waves and depth varying current, is then dealt with in detail, and the results dicussed.