... is linear proportional to the fluid velocity across the barrier. This boundary condition has been widely used by many researchers (e.g., Isaacson et al., 1999; Liu et al., 2008; Koraim et al., 2011). Based on the assumption of long wave theory, Mei et al. (1974) developed a quadratic pressure drop condition...

... friction coefficient accuracy evanescent mode isaacson coefficient reflection coefficient interaction rock fill equation front wall engineering chwang perforated breakwater porosity inertia coefficient nejadkazem breakwater boundary condition prediction Nonpropagating Waves...

... in McCartney (1985), Werner (1988), Cammaert et al. (1994) and Isaacson (1993); furthermore, Isaacson (1993) provides an overview of wave effects on floating breakwaters. three-dimensional formulation variation raot hinge mode breakwater hinge joint hydrodynamic analysis frequency domain...

... and their interconnections. The satisfaction of the above three requirements comprises the overall performance of the floating breakwater. calculation larger value equilibrium position low frequency range frequency dynamic tension lower value phase difference base case isaacson variation frequency...

... and Kato (1999), et al. did researches on the second-order problems, and Malenica and Molin (1995), and Teng and Dong (2001) et al. did work on the third-order problems. boundary condition water surface quantity subsea system computation isaacson truncated cylinder free surface body motion...

... Breakwaters Shankar Bhat and Michael Isaacson University of British Columbia Vancouver, Canada ABSTRACT The paper presents a numerical and experimental assessment of the hydrodynamic performance of a moored twin-pontoon floating breakwater made up of either rectangular or circular section pontoons...

... of waves and an iceberg acting simultaneously on a fixed offshore structure has not been studied to the same extent. Isaacson (1987) considered the effect of waves on an iceberg up to the instant of impact, and described wave effects on the iceberg velocity and effective mass at the time of impact. Related...

... bichromatic second-order stoke wave boundary condition isaacson propagation radiation boundary condition frequency-domain solution wavemaker motion velocity potential wavemaker second-order radiation boundary condition simulation equation Proceedings of the Seventh (1997) International Offshore...

... isaacson upstream oil & gas cylinder diffraction theory correction factor caisson reflection tank prediction steepness linear diffraction theory probe diameter cylinder cheung wave runup water depth experiment wave force wave condition runup experimental result...

... iceberg wave parameter limit state isaacson collision probability distribution annual exceedence probability wave alone recording interval iceberg force modification Proceedings of the Sixth (1996) -International Offshore and Polar Engineering Conference (1996) Los Angeles, USA May 26-31,1996...

..., of the integrated inline [Ft)h and transverse [FII(t)]3 random forces of MRW, starting from the random forces [FT (t)]3 of the U RW, after locat- ing the x-axis in the overall mean wave direction of the M RW. Comparison of the suggested model with experimental results obtained by Isaacson and Baldwin (1990b...

... of Hydrodynamic Coefficients Michael Isaacson Dept. of Civil Engineering, University of British Columbia, Vancouver, Canada Thomas Mathai The Glosten Associates, Seattle, WA, USA ABSTRACT Numerical calculations of hydrodynamic forces on large offshore structures are often based on the method of integral equations...

... on the seabed has been examined by Mehlum and Starnnes (1980) and McCormick et al. (1980). wave amplitude computed wave amplitude focal point perspective view amplitude isaacson uniform current numerical model current speed cheung amplification factor ocean energy boundary condition...

... states, subharmonic resonance and chaos as typical responses in regular seas. More recently, Aoki, Sawaragi and Isaacson (1993) described a numerical simulation of the motions of a floating body with nonlinear moorings modeled as a single degree of freedom system. They examine the response of systems...

... directional short crested sea reduction cylmder nwogu wave spectrum isaacson crested sea expenment Proceedings of the Fourth (1994) International Offshore and Polar Engzneering Conference Osaka, Japan, April 10·15, 1994 Copyright © 1994 by The Internatzonal Society of Offshore and Polar Engzneers...

... procedure (e.g. Molin. 1979; Eatock. Taylor and Hung. 1987; and Kim and Yue. 1989). and the other IS a full nonlinear solution to the resulting wave field by a time-stepping procedure (e.g. Vinje and Brevig. 1981; Isaacson. 1982; and Cointe. 1989). body surface boundary condition interaction...

... OF A VERTICAL CYLINDER Michael Isaacson and Thomas Mathai University of British Columbia Vancouver, Canada ABSTRACT Alternative methods of calculating high frequency added masses and damping coefficients of vertical cylinders of arbitrary section are described. Damping coefficients are calculated from...

.... The effects of submerged cylinders have been well studied: Chaplin (1984); Vada (1987), McIver and McIver (1990); and Isaacson and Cheung (1988 and 1990). One of the most interesting characteristics of the flow about a submerged circular cylinder is that the reflection coefficient is zero, (Isaacson...

... wave free surface elevation excitation frequency isaacson boundary condition surface boundary condition free surface boundary condition cylinder body surface surface elevation control surface Prol:eedir'gs of Ifu Second (1992) International Offshore and Polar Engineering Conference San...

... regular or random waves, and field tests. For the idealized case of a uniform sinusoidal flow, these force coefficients have been determined from accurate laboratory experiments and their dependence on the relevant governing parameters has been clearly indicated (e.g. Sarpkaya and Isaacson, 1981...