Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Part 1American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 78
... mode U = 0 -1.5 Oscillatory instability in second mode ( Flutter ) U∞ = 3.7 foo = 2.96 • U∞ = 3.35 foo = 2.5-3.3 U∞ = 4 foo = 2.3-3.5 U = 2-3.5 - Deviation ( Yawing motion ) from x - axis observed . First mode flutter not observed ...
... mode U = 0 -1.5 Oscillatory instability in second mode ( Flutter ) U∞ = 3.7 foo = 2.96 • U∞ = 3.35 foo = 2.5-3.3 U∞ = 4 foo = 2.3-3.5 U = 2-3.5 - Deviation ( Yawing motion ) from x - axis observed . First mode flutter not observed ...
Page 194
... mode ) is installed on the vertical tail fin ( 5 ) Motion control Movement of the robot is controlled by using six ... mode as shown under . A series of mission is accomplished by combining with these mode . 1 ) Vertical diving mode ...
... mode ) is installed on the vertical tail fin ( 5 ) Motion control Movement of the robot is controlled by using six ... mode as shown under . A series of mission is accomplished by combining with these mode . 1 ) Vertical diving mode ...
Page 245
... mode . By assuming a constant Strouhal number ( St ) of 0.17 ( cf. Vandiver ( 1993 ) ) , the velocity giving resonance for mode i , Ures.i can be found from the relation res , I = 10. , D St ( 7 ) where fo , is the eigenfrequency for mode ...
... mode . By assuming a constant Strouhal number ( St ) of 0.17 ( cf. Vandiver ( 1993 ) ) , the velocity giving resonance for mode i , Ures.i can be found from the relation res , I = 10. , D St ( 7 ) where fo , is the eigenfrequency for mode ...
Contents
HYDRODYNAMIC FORCES | 1 |
The Irregular Breaking Wave Forces on Vertical Wall | 13 |
Steady Drift Forces and Yaw Moment Due to Waves With Slow Current | 47 |
Copyright | |
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added mass amplitude analysis anchor angle axial stress breakwater cable caisson calculated catenary components computed configuration cylinder damping diameter diffraction displacement domain drag coefficient dynamic effect element Engineering equation evaluation excitation experimental experiments Fieldbus Figure flow fluid FPSO free surface function Green function guidewire heave horizontal hull hydrodynamic incident wave installation integral interaction irregular waves Japan length linear load matrix maximum measured method mode mooring line mooring system motion nonlinear numerical obtained Ocean Offshore Technology ASME oscillation parameters PETROBRAS piles pipe string pitch moment platform predicted present ratio response riser ship shown in Fig simulation sloshing pressure solution speed stress surge tank Technology ASME 1997 tension Tension Leg Platform theory third order tsunami vector velocity potential vertical vessel vortex shedding water depth wave force wave height wave period wave power