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Keywords: boundary
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Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-016
... response in a porous seabed have been carried out through mathematical models, numerical simulations and experimental approaches (Yamamoto et al. 1978; Sumer, 2014). A detailed review of previous studies can be found in Jeng (2003; 2018). For the problems with complex geometry and boundary conditions...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-024
... wave height load cell upstream oil & gas cfd model mesh study experiment validation wave-current generation inlet boundary simulation inline force equation cylinder circular cylinder mesh cfd result calm water bow wave height boundary regular wave vertical cylinder...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-047
... model (numerical wave flume), both the velocity and free surface displacement are specified by imposing the theoretical solution along the vertical inflow boundary. A relaxation zone, worked as a blend between the theoretical solution and the computed solution, is added behind the inflow boundary...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-112
...-dimensional numerical studies of VIV are still performed at relatively low Reynolds numbers in the turbulent wake flow regime. For example, all the above examples of 3D numerical studies have been performed at Reynolds numbers less or equal to 1000. circular cylinder cylinder diameter boundary...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-105
... upstream oil & gas wave-current interaction huanghua harbor zhang normal wave value computed value normal wave-current interaction water level boundary interaction model verification tidal current coastal water verification jetty strong wave-current interaction computed value...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-045
... simulations in coastal waters; the incoming two-dimensional wave spectral pattern on model boundaries. coastal water spectral boundary boundary point spectra wave spectra sept boundary iteration number shallow water time step resolution observation station dwr different time step...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-039
... flume follows the S-shape distribution law. The flow rate has a larger velocity gradient only at boundaries, while in the central area of the flow field, the velocity gradient remains small and the curve fits a cubic function. The radial distribution of velocity is linear and the velocity decreases from...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-052
... with the nonlinear shallow water wave generation theory, in which the wave direction, non-uniformity and nonlinearity along with the numerical-physical-boundary can be completely included. Several comparisons between numerical and physical waves have been conducted. Comparisons of the proposed second order coupling...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-042
... to reproduce the desired wave profiles satisfactorily. There exist some slight discrepancies in the water height at the upward and downward slopes immediately away from the crest for the incompressible SPH model. The subsequent maximum run-up height on a vertical boundary agrees well with the published...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-090
... reasonable results and predicts better velocity fields than previous model. cylinder roulund pressure coefficient boundary pier boundary condition coefficient dargahi equation circular cylinder vertical direction velocity field horseshoe vortex tvd scheme upstream oil & gas...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-017
... boundary treatment for SPH method is proposed to remove reflection of pressure wave against the solid boundaries of computational domain. The water jet generated at the early stage of water entry and the cavity induced by the free surface sealing are reproduced for the case of the vertical water entry...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-045
... ABSTRACT: A FEM model with unstructured triangular elements based on the modified Boussinesq equations is developed in this paper. A local coordinate system at the reflecting boundary is introduced to improve the treatment of the oblique waves on the reflecting boundaries. The Adams-Bashforth...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-002
... as their influence upon the water ring. Waves are launched by two components of flow velocity and free surface elevation at inlet boundary. Irregular wave is presented according to Pierson - Moskowitz spectrum by sum of first order waves with random phases. Wave loads acting on the pontoon are predicted...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-027
... are incompressible and immiscible. At the interface of two fluids, no phase transit and no-slip between fluids are assumed. The propagating waves are generated by the wave maker plate at the left end, and the opening boundary is set at the other end. The governing equations are the continuity equation and RANS...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-007
... above the average surrounding ocean. The released reservoir water is used to drive hydro turbines or other converting devices. incident wave straight line type owec device characteristic sustainable development sustainability numerical wave tank reservoir convex type boundary...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-045
... ABSTRACT: To study the nonlinear wave interaction with large submerged, rectangular breakwaters, the writers developed a fully nonlinear numerical wave tank, which is based on the mixed Eulerian-Lagrangian (MEL) formulation. The desingularized boundary element method (DBIEM) is adopted here...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-020
... gold coast reclamation flooding event coastal management knowledge management sediment transport shear stress land reclamation boundary bed shear stress Paper No. PACOMS-2008-P08-51 Page 1 of 7 Sustainability of reclaimed foreshore case study: Southport Broadwater Parklands Eric...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-031
... x 58 m. Here, the rotary zone was shifted 100 m in Y direction taking in mind possible using of this domain for next calculations with waves and currents in +Y direction. Horizontal plane which crosses both zones corresponds to water free surface; the interior condition is imposed on this boundary...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-046
... boussinesq equation free surface time series madsen equation cylinder reservoir simulation incoming wave mach reflection circular cylinder upstream stagnation point boundary Numerical Simulation of Non-linear Wave Interaction with an Offshore Wind Turbine Foundation Qiuhua Liang1a, Jun Zang1...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-021
... ABSTRACT: A time-domain higher-order boundary element method (HOBEM) is used to simulate the linear and fully nonlinear waves in a threedimensional numerical wave tank (NWT). In order to eliminate reflective waves at the incident boundary and output boundaries, damping layer combined...

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