Dimensions and weight                          


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To determine the forces on the semisubmersible and its reaction to them, the object’s dimensions are essential.

To determine wind, wave and current loads on the structure, 2 main parts of information are needed:

bulletDimensions: a full 3-dimensional layout of the platform, including:
bulletDeck width, length, height
bulletNumber, shape and diameter of columns
bulletFloater width, length and height
bulletDraft when submerged
bulletWind surfaces of top structures
bulletWeights: the gravitational loads of different element, along with their center of gravity. For example:
bulletStructural components of the hull and deck
bulletInstallations: winches, machinery etc.
bulletFluids: Water, drilling mud, cement etc.
bulletAccommodation

 

When all these data are acquired, properties of the semisub which are used for calculations concerning hydromechanics, hydrodynamics, wind and current loading can be calculated, such as:

bulletNatural heave period
bulletCenter of gravity of entire structure
bulletCenter of buoyancy

       

                                                                     

 

 

 

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Last modified: 10/16/06