Damping                          


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Damping through various factors

 

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            Wind damping: frictional damping between semisub and air

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            Viscous flow damping : damping due to motions of semisub in water

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            Wave drift damping

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            Viscous drag and eddy-making forces

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            Hydrodynamic drag damping: due to mooring line oscillations

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            Vortex induced vibrations (line resonant response transverse to flow, not relevant        for chains)

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            Line internal damping: material damping

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            Seabed interaction: soil friction between mooring line and soil

       

                                                                     

 

 

 

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Last modified: 10/16/06