Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 182
... Step 1. Fourier analysis of the wave elevation . The measured ( or simulated ) wave elevation , n ( t ) , is represented , through an FFT analysis , as a discrete Fourier series : m n ( t ) = [ n ^ ( w ; ) ejw , t i = -m ( 18 ) Step 2 ...
... Step 1. Fourier analysis of the wave elevation . The measured ( or simulated ) wave elevation , n ( t ) , is represented , through an FFT analysis , as a discrete Fourier series : m n ( t ) = [ n ^ ( w ; ) ejw , t i = -m ( 18 ) Step 2 ...
Page 218
... step to be employed . In this case , we selected Ax such that the compressible wave travels % Ax at maximum . In the region where u≤0.9Cg , the time step was taken as 1 x 10 sec , which allows us to at a faster rate compute the desired ...
... step to be employed . In this case , we selected Ax such that the compressible wave travels % Ax at maximum . In the region where u≤0.9Cg , the time step was taken as 1 x 10 sec , which allows us to at a faster rate compute the desired ...
Page 308
... step , At , given by ( 23 ) At : U.At d ( 25 ) where the overbar indicates linear interpolation . Thus , the cell face velocity depends on the pressure gradient across the cell face . ADAPTIVE MESH REFINEMENT As outlined previously ...
... step , At , given by ( 23 ) At : U.At d ( 25 ) where the overbar indicates linear interpolation . Thus , the cell face velocity depends on the pressure gradient across the cell face . ADAPTIVE MESH REFINEMENT As outlined previously ...
Contents
OCEAN WAVES | 1 |
Aarsnes | 55 |
VOLUME IA OFFSHORE TECHNOLOGY | 65 |
Copyright | |
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acceleration analysis AXIWAVE biplane blade boundary layer calculated circular cylinder comparison compliant towers components computed corresponding crest criteria damping direction distribution drag drag coefficient dynamic effects Engineering equation estimated experimental Figure filter flow fluid force coefficients Fourier free surface frequency fuzzy given hindcast horizontal velocity hydrodynamic impact force in-line incident wave irregular Islay KC number kinematics lift force linear load Loop Current maximum measured method Morison Myrhaug NewWave non-linear obtained ocean waves Offshore Structures orifice oscillating parameters planetary boundary layer plate platform predicted pressure rad/s random wave ratio regular waves Scatter Parameter sea wave second-order shear stress ship shown simulation spectra surface elevation term tests turbine turbulence values velocity potential vertical Volume I-A Walsh function water depth wave elevation wave energy wave height wave kinematics wave power wave profile wave spectrum wave theory wave train wind