Proceedings of the ... International Conference on Offshore Mechanics and Arctic EngineeringAmerican Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 260
Space Control) [4] is used as HAC and each mode is controlled independently
but control spillover still exist even though observation spillover is minimized by
the modal filters formulated later. Instability due to control spillover can be
avoided ...
Space Control) [4] is used as HAC and each mode is controlled independently
but control spillover still exist even though observation spillover is minimized by
the modal filters formulated later. Instability due to control spillover can be
avoided ...
Page 261
where subscript C shows controlled modes and R residual modes. Nc x M matrix
Bc and NRx M matrix BR are given by dividing #T PL. Number of controlled
modes Nc must be equal to number of actuators M so that the each modes can
be ...
where subscript C shows controlled modes and R residual modes. Nc x M matrix
Bc and NRx M matrix BR are given by dividing #T PL. Number of controlled
modes Nc must be equal to number of actuators M so that the each modes can
be ...
Page 411
The number of modes required to include in the seismic analysis is a critical
factor which significantly affects the study results. The number of modes required
for the modal superposition are generally selected based on the modal mass ...
The number of modes required to include in the seismic analysis is a critical
factor which significantly affects the study results. The number of modes required
for the modal superposition are generally selected based on the modal mass ...
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Contents
OCEAN WAVES AND ENERGY | 1 |
HYDRODYNAMIC FORCES | 45 |
COMPUTATIONAL HYDRODYNAMICS | 91 |
Copyright | |
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added mass amplitude analysis boundary conditions buoy calculated Circular Cylinder compliant tower components correlation length curve deck diameter diffraction drag coefficient drag force drift force dynamic effects energy Engineering envelope equation experimental Figure fluid Fluid Mechanics free surface heave Hilbert transform horizontal hydrodynamic hydrodynamic force incident wave increase installation interaction irregular waves lift coefficient lift force linear load control lock-in matrix maxima maximum measured method model tests modes mooring line nonlinear obtained Ocean OMAE oscillating cylinder parameters peak phase pipe platform predicted present pressure problem quadratic Quickwave random ratio Reynolds number riser seastate second-order shear shedding frequency shown simulation solution spectral spectrum stationary cylinder stiffeners Strouhal Strouhal number transfer function transverse turbulence uniform flow values vector velocity potential vertical vibration vortex shedding water depth wave force wave frequency wave height wave power wind