Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 132
... velocity to the rotating velocity of separated vortices , where we assumed that the separated vortices rotate round the cylinder with same cycle as wave's . The circulating flow velocity is about 60 percent of the rotating velocity of ...
... velocity to the rotating velocity of separated vortices , where we assumed that the separated vortices rotate round the cylinder with same cycle as wave's . The circulating flow velocity is about 60 percent of the rotating velocity of ...
Page 134
... velocity of an arbitrary point can be obtained following equation . u - iv = df ( z ) = d ( Fp ( z ) + Fv ( z ) ) dz dz a ( 10 ) inviscid The boundary layer is replaced by vortices at the point where a fluid velocity on the cylinder ...
... velocity of an arbitrary point can be obtained following equation . u - iv = df ( z ) = d ( Fp ( z ) + Fv ( z ) ) dz dz a ( 10 ) inviscid The boundary layer is replaced by vortices at the point where a fluid velocity on the cylinder ...
Page 275
... velocity . The results are presented for the no - slip , shear - free , and various surfactant cases . The contour plots are shown for A ' = -5.4 ergs / ug , while the line plots are shown for four values of A ' : -1.8 , -5.4 , -18 ...
... velocity . The results are presented for the no - slip , shear - free , and various surfactant cases . The contour plots are shown for A ' = -5.4 ergs / ug , while the line plots are shown for four values of A ' : -1.8 , -5.4 , -18 ...
Contents
OCEAN WAVES | 1 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
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acceleration added mass amplitude analysis boundary conditions calculated circular cylinder computed cosh crest cylinder array damping coefficient damping factor density diffraction domain drag coefficient drag force drift force dynamic effect equation estimated flow fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients integral irregular Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method motion nonlinear obtained offshore structures oscillatory parameters pile plate potential flow predicted quadratic rad/sec radiation condition ratio regular waves response Sarpkaya second order second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tank tanker transfer function vector velocity potential viscous vortex shedding vortices water depth wave amplitude wave drift damping wave excitation wave force wave frequency wave groups wave height wave number wave period wave power