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 128
... 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 a single cylinder value as the spacing increases for ...
... 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 a single cylinder value as the spacing increases for ...
Page 175
... depth . In Figure 3 both Garrison's finite depth results ( 18 ) and Havelock's infinite depth results ( 19 ) are presented . The method models each situation equally adequately . In fact finite depth predic- tions for h / r values of 5 ...
... depth . In Figure 3 both Garrison's finite depth results ( 18 ) and Havelock's infinite depth results ( 19 ) are presented . The method models each situation equally adequately . In fact finite depth predic- tions for h / r values of 5 ...
Page 406
DEPTH ( m ) DEPTH ( m ) DEPTH ( m ) Fig . 4 Fig . 6 DEPTH ( m ) Fig . 5 Fig . 7 1.40- 1.20- 1.00 21/3 0.80- 0.60- 0.40- 0.20- 0.00+ O. RISER DISPLACEMENT DRILLSHIP DEPTH = 1000 m T = 0,925 sec RISER DYNAMIC STRESS DRILL SHIP DEPTH = 1000 ...
DEPTH ( m ) DEPTH ( m ) DEPTH ( m ) Fig . 4 Fig . 6 DEPTH ( m ) Fig . 5 Fig . 7 1.40- 1.20- 1.00 21/3 0.80- 0.60- 0.40- 0.20- 0.00+ O. RISER DISPLACEMENT DRILLSHIP DEPTH = 1000 m T = 0,925 sec RISER DYNAMIC STRESS DRILL SHIP DEPTH = 1000 ...
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