Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 670
... Table 2 gives the experiment results using floating plates . Table 1 Experimental results with wave- eliminating plates frequency ! ! ! fluid pattern ! 0.119 Hz ! 0.238 Hz ! Water A 20.0 mm 15.8_mm_ and ! B 15.4 mm 3.8 mm - ! Crude A ...
... Table 2 gives the experiment results using floating plates . Table 1 Experimental results with wave- eliminating plates frequency ! ! ! fluid pattern ! 0.119 Hz ! 0.238 Hz ! Water A 20.0 mm 15.8_mm_ and ! B 15.4 mm 3.8 mm - ! Crude A ...
Page 684
... Table 3 - Hydrodynamic coefficients 450 400 SURGE SWAY YAW ADDED MASS 0.060 0.080 16.837 CROSS ADDED MASS 0.0210 DAMPING 0.029 0.318 1.477 350 AMPLITUDE ( ft ) 300 250 200 RAMP INPUT ! ( DASHED DIAGONAL ) PROPOSED 150 I - Table 4 Gains ...
... Table 3 - Hydrodynamic coefficients 450 400 SURGE SWAY YAW ADDED MASS 0.060 0.080 16.837 CROSS ADDED MASS 0.0210 DAMPING 0.029 0.318 1.477 350 AMPLITUDE ( ft ) 300 250 200 RAMP INPUT ! ( DASHED DIAGONAL ) PROPOSED 150 I - Table 4 Gains ...
Page 704
... Table 1 Ship Conditions Table 3 Environmental Conditions MODEL Length Draft Displacement MODEL Condn . Wind ( * ) ( m ) ( m ) Volume ( m3 ) Draft GM Flooding Wave ( ** ) ( m / sec ) Ha ( m ) Tz ( sec ) 14 31,215 14 ( m ) 0.0 ( m ) 0 ...
... Table 1 Ship Conditions Table 3 Environmental Conditions MODEL Length Draft Displacement MODEL Condn . Wind ( * ) ( m ) ( m ) Volume ( m3 ) Draft GM Flooding Wave ( ** ) ( m / sec ) Ha ( m ) Tz ( sec ) 14 31,215 14 ( m ) 0.0 ( m ) 0 ...
Contents
CASE HISTORIES OFFSHORE STRUCTURES | 331 |
OFFSHORE TECHNOLOGY PART | 337 |
OFFSHORE STRUCTURE CONCEPTS | 361 |
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acceleration accelerometers added mass amplitude axial behaviour bending stiffness cable calculated Campos Basin catenary coefficient components coordinate curvature curves cylinder damping ratio deck deformation developed diameter displacement drag drag coefficient dynamic analysis dynamic response effect Ekofisk elastic Engineering equation finite element finite element method flexible pipe flexible riser fluid free-fall lifeboat frequency domain hydrodynamic hydrodynamic damping impact in-span installation jack jacket joint launch length lifeboat lift force linear load Mathieu Mathieu equation measured Mechanics meters method mode mode shape motion natural frequency nodal nodes nonlinear obtained Offshore Structures Offshore Technology ASME OMAE operation oscillation parameters phase pile platform pressure ratio rotation seabed shear shown in Figure skin friction soil solution SPUS static analysis stiffness matrix submarine subsea support point tension tether torque transverse values vector velocity vertical vessel vibration Volume I-B water depth