Abstract
Received 21 December 2015; received in revised form 19 January 2016; accepted 20 January 2016ABSTRACTWhen ships and offshore plants are flooded or the floating crane is equipped with a heavyobject, these floating structures are excessively inclined. In this case, immersion, heel, and trimaffecting the hydrostatic restoration performance are very large and are coupled each other. Inthis paper, in order to calculate a static equilibrium position of floating structures with exces-sive inclination, the nonlinear governing equations were constructed by sequential linearization.In the governing equation, the immersion, heel, and trim are fully coupled, and the equationsare represented using a plane area, a primary moment, and a moment of inertia of the waterplane area. Therefore, it is possible to calculate the additional factor related the water plane areafor estimating stability. Position and orientation of the floating structure are obtained by itera-tive calculation. The calculated results are compared with the previous studies in the aspect tothe performance and the accuracy.Key words:Computational Hydrostatics, Floating Structure, Large Inclination, Nonlinear Hydro-static Force, Static Equilibrium
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