Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 47
... increases tube diameter , projected area , displaced volume and hence the hydrodynamic loading ; ( b ) increases drag coefficient , lead- ing to larger fluid forces ; ( c ) increases mass , reduces natu- ral frequency , and leads to a ...
... increases tube diameter , projected area , displaced volume and hence the hydrodynamic loading ; ( b ) increases drag coefficient , lead- ing to larger fluid forces ; ( c ) increases mass , reduces natu- ral frequency , and leads to a ...
Page 128
... increases markedly at the closest spacing for all water depth condi- tions . Two cylinder array : In tandem arrangement , when the measuring cylinder is located in the front as in Fig.12 , the forces on a cylinder increases and tends to ...
... increases markedly at the closest spacing for all water depth condi- tions . Two cylinder array : In tandem arrangement , when the measuring cylinder is located in the front as in Fig.12 , the forces on a cylinder increases and tends to ...
Page 479
... increase in restoring moment as the deflection increases . TOP HORIZONTAL DEFLECTION ( m ) • O BENDING MOMENT ( 105 m ) 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 די DCB 270 m 40 80 120 160 200 240 HEIGHT ABOVE SEA BED LEVEL ( m ) 280 ...
... increase in restoring moment as the deflection increases . TOP HORIZONTAL DEFLECTION ( m ) • O BENDING MOMENT ( 105 m ) 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 די DCB 270 m 40 80 120 160 200 240 HEIGHT ABOVE SEA BED LEVEL ( m ) 280 ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
Copyright | |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power