Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 7, Part 2American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 120
... integral over S oscillates toward zero when S goes to infinity . ∞ ∞ The final expression for the second order hydro- dynamic force due to the second order potential thus reads 声( 2 ) q N N = Re - ip ( w - w2 i = 1 j = 1 -SS . SF ( 2 ) ...
... integral over S oscillates toward zero when S goes to infinity . ∞ ∞ The final expression for the second order hydro- dynamic force due to the second order potential thus reads 声( 2 ) q N N = Re - ip ( w - w2 i = 1 j = 1 -SS . SF ( 2 ) ...
Page 121
... integral in the far field [ 5 , 7 ] . This is demonstrated for the integral === 2πT H ( 1 ) H dr P11 Dj rde farf R 0 a ( 52 ) ( 53 ) Since F ( r ) decreases as 1 // r , it is difficult to obtain convergent solution by direct summation ...
... integral in the far field [ 5 , 7 ] . This is demonstrated for the integral === 2πT H ( 1 ) H dr P11 Dj rde farf R 0 a ( 52 ) ( 53 ) Since F ( r ) decreases as 1 // r , it is difficult to obtain convergent solution by direct summation ...
Page 124
... INTEGRAL PINKSTERS APPROXIMATION BOVERS S APPROXIMATION + WITHOUT 2ND - ORDER POTENTIAL NEWMAN S APPROXIMATION w - w = 0.376 rad / sec 3.0 ( w1 + w , ) / 2 5.0 7.0 9.0 ( rad / sec ) * WITH COMPLETE 2ND - ORDER POTENTIAL WITHOUT FREE ...
... INTEGRAL PINKSTERS APPROXIMATION BOVERS S APPROXIMATION + WITHOUT 2ND - ORDER POTENTIAL NEWMAN S APPROXIMATION w - w = 0.376 rad / sec 3.0 ( w1 + w , ) / 2 5.0 7.0 9.0 ( rad / sec ) * WITH COMPLETE 2ND - ORDER POTENTIAL WITHOUT FREE ...
Contents
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
OFFSHORE TECHNOLOGY GEOTECHNICAL ENGINEERING | 21 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
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added mass amplitude analysis approximately biofouling body boundary breaker breaking waves calculated circular cylinder component computed cylinder damping coefficient diameter diffraction domain drag coefficient drag force dynamic effects exciting force experimental Figure fluid force coefficients forces acting free surface function Green function harmonic Hermite polynomial hindcast hydrodynamic hydrodynamic forces ice mass in-line incident wave inertia integral interaction irregular Kc number linear wave theory load lowerhull maximum measured Mechanics and Arctic method nondimensional nonlinear obtained Ocean Offshore Mechanics offshore structures oscillation parameters platform predicted present ratio Rayleigh distribution regular waves response Reynolds number second order second-order semi-submersible platform semisubmersible shear flow shown simulation solution spectra spectral density spectrum superposition principle surface elevation surge motion tests values velocity potential vibrations vortex shedding w₁ water depth wave drift damping wave drift force wave forces wave frequency wave height wave period