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Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-097
... with an impervious wall and the results of this study proved the question raised above. engineering wave reflection slotted vertical barrier front wall harbor slotted wall chwang breakwater porosity coastal engineering slotted wave barrier long wave investigation configuration slotted barrier...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-406
... 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...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-069
... to intercept waves with a structure that will react in an appropriate manner to wave forces applied to it. Previous researchers have developed different wave energy converters to use this energy. Recent decades have seen an increased interest in using permeable structures to control waves. Chwang (1983...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-099
... effect parameter permeable structure reflection coefficient boundary condition coefficient reflection chwang Wave Scattering by a Submerged Porous Plate Wave Absorber Ching-Yun Yueh and Shih-Hsuan Chuang Department of Harbor and River Engineering, National Taiwan Ocean University Keelung, TAIWAN...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-026
... to ensure safer and more efficient port operation, ship berthing and navigation inside the inner harbor (Yip and Chwang, 2000). For this type of breakwater, many researchers have been particularly interested in the interaction between the water waves and porous structures. Based on the linear water wave...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-326
... absorbing breakwater inside of the sheltered region is one of the current engineering advancements in port design, in order to provide a further calm basin to insure safer and more efficient port operation, ship berthing and navigation inside of inner harbors (Yip & Chwang, 2000). In view of this, many...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-313
...; Barnard and Pritchard, 1972; Mahony, 1972; Jones, 1984; Miles, 1988; Barnard et al., 1977; Shemer et al., 1987; Kit et al., 1987; Shemer and Kit, 1988). But they are different from transverse waves in some aspects, as discussed in our previous papers (Deng and Chwang, 2004a, b). Zhu (1999a) and Zhu...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-200
... on offshore structures were based on the energy principle. landweber expression trajectory interaction elliptic cylinder upstream oil & gas interaction hydrodynamic cylinder rotation chwang aspect ratio coefficient equation floating production system ice mass circular cylinder...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-375
... hong kong environmental law reclamation seawall perforated seawall reflection perforation seawall design wave chamber construction incident wave chwang environmental aspect wave energy ecosystem Environmental and Safety Considerations for Design of a Perforated Seawall T.L. Yip, Dao...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-255
... on a Wall due to Breaking Waves J ian-dun Shu and Al len T. Chwang The Univers i ty o f Hong Kong Hong Kong ABSTRACT This paper is intended to study impact forces of breaking waves on a rigid wall based on a nonlinear potential-f low theory. This is a model problem for some technological ly important design...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-306
... and provides a strong protection against coastal erosion. bottom-touching barrier configuration flexible barrier different value wave force free surface coss equation ei pgh 4 breakwater reflection coefficient kr surface-piercing barrier deflection porous barrier wave energy chwang...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-224
... makes them impractical. free surface viscosity equation reynolds upstream oil & gas boundary elevation interaction circular cylinder chen turbulent flow experiment large-eddy simulation calculation chwang contact line large-scale flow structure wave elevation flow structure...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-265
... porous wavemaker relation pressure distribution dynamical edge condition wavemaker surface wave obstacle chwang full solution surface tension free surface wave motion porous barrier porous structure amplitude upstream oil & gas edge condition reservoir characterization university...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-257
... ABSTRACT A submerged pitching plate was suggested as an active wave control device by Yip and Chwang (1996, 1997) (Figure 1). Based on the linear wave theory, they determined the plate performance in terms of reflection and transmission coefficients versus other physical parameters of wave...
Proceedings Papers

Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-301
... paddle absorber. With an emphasis on the usage of a pitching plate as a breakwater, Yip and Chwang (1996) suggested that a submerged pitching plate be used as an active wave-controller. The performance of a pitching plate was found by Yip and Chwang (1996) to be very sensitive to its submerged depth...
Proceedings Papers

Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-203
... (1988) and later by Landweber, Chwang and Guo (1991). circular cylinder gap distance cylinder chwang landweber rectangular cylinder mechanical engineering interaction ro 1 hydrodynamic interaction variation regression particular case university theoretical model interaction force...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-204
... parameter impermeable disk wave force wavelength hla relative water depth submerged disk chwang dimensionless wave height water depth disk radius dimensionless disk radius wave height Proceedings of the Fourth (1994) InternatioTUlI Offshore and Polar Engineenng Conference Osaka, Japan, April...
Proceedings Papers

Paper presented at the The Third International Offshore and Polar Engineering Conference, June 6–11, 1993
Paper Number: ISOPE-I-93-288
... excited by a horizontal ground motion was done by Westergaard(1933). After then, the geometry (Chwang, 1978 and Chen, 1993), and the flexibility of structures (Chopra et. al., 1981 and Hung and Chen, 1990) and the compressibility (Chopra, 1967, Hung and Wang, 1987) of water were included in the analysis...
Proceedings Papers

Paper presented at the The Second International Offshore and Polar Engineering Conference, June 14–19, 1992
Paper Number: ISOPE-I-92-292
... & Cheung (1988). Later, Landweber & Chwang (1989) described a proce dure of computing interaction forces on the basis of the boundary integral method. This procedure was used by Landweber, Chwang, & Guo (1991) to study the centroidal motion of two cylinders and by Guo & Chwang (1991a, b...
Proceedings Papers

Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-177
... for computation, as shown by Lamb (1932). translation coordinate system perpendicular kinetic energy formula uniform flow artificial intelligence separation distance equation integration interaction landweber integral equation chwang hydrodynamic interaction force expression interaction...

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