Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 5American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 340
... Floe dop li = 1 , + ΣΤ pq dt p # q where : Mi mass of a floe ( = p , Н1л R2 ) V velocity I ; moment of inertia of a floe ( = 0.5M ̧R ? ) angular velocity Fig . 1 : Introduction of ice bunch in DMDF model to treat a large number of ice ...
... Floe dop li = 1 , + ΣΤ pq dt p # q where : Mi mass of a floe ( = p , Н1л R2 ) V velocity I ; moment of inertia of a floe ( = 0.5M ̧R ? ) angular velocity Fig . 1 : Introduction of ice bunch in DMDF model to treat a large number of ice ...
Page 342
... floe indicates the quantity and direction of the force acting on the floe at that moment , and indicates a 0.25 N force by the length of the floe diameter . Figure 4 shows the time series of impact force acting on the central structure ...
... floe indicates the quantity and direction of the force acting on the floe at that moment , and indicates a 0.25 N force by the length of the floe diameter . Figure 4 shows the time series of impact force acting on the central structure ...
Page 344
... floe rotation and tangential force between floes are taken into account . Figure 10 shows the time series of the computed result by the DEM . Floe distribution beyond the structure model closes space by water current . In contrast ...
... floe rotation and tangential force between floes are taken into account . Figure 10 shows the time series of the computed result by the DEM . Floe distribution beyond the structure model closes space by water current . In contrast ...
Contents
OMAE99PA1135 | 19 |
OMAE99PA1141 | 39 |
PROPELLERICE INTERACTION | 53 |
Copyright | |
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analysis angle applied Arctic ASME assumed average blade block boundary calculated Canada channel coefficient component conducted considered constant Copyright crack creep crushed dependence depth determined direction distribution effect Engineering equation estimate experiments factor failure field Figure floes flow force frequency friction function given height horizontal ice force ice loads ice sheet ice thickness iceberg icebreaker included increase indentation indentor interaction International layer length material maximum mean measured Mechanics method Newfoundland observed obtained occurred Offshore operations parameters peak performance predicted present pressure propeller range ratio region Report Research resistance salinity scale scour shape shear ship shown shows similar soil speed stamukha strain strength stress structure surface Table temperature tests thrust torque values vertical wave width wind zone