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Keywords: kashiwagi
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-110
... to judge the ship maneuverability in waves based only on the trials performed in calm sea. modular maneuvering model maneuvering motion marine transportation drift force yasukawa artificial intelligence ship kochin function cal kashiwagi steady force motion equation eut trajectory...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-463
... elevation genetic algorithm wave drift force configuration wavenumber artificial intelligence element method vertical cylinder evolutionary algorithm single cylinder cylinder wave elevation kashiwagi zhang four-column structure machine learning operator reduction truncated cylinder...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-505
... (Loukogeorgaki et al., 2014) into direct (e.g. Kashiwagi, 1998b; Namba and Ohkusu, 1999; Khabakhpasheva and Korobkin, 2002; Ohkusu and Namba, 2004; Andrianov and Hermans, 2006a; 2006b; Eatock Taylor, 2007; Kim et al., 2007) and mode superposition methods. In the latter methods, the generalized (flexible) modes...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-655
.... This phenomenon can be applied to reduce the wave drift force. cylinder coordinate system central body optimization velocity potential amplitude motion equation artificial intelligence kashiwagi incident wave renewable energy l-th body inner central cylinder outer cylinder wave drift force...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-247
.... analytical solution plate displacement vertical elastic plate equation hydroelastic problem coefficient time evolution time-dependent hydroelastic response boundary condition mode-expansion method hydroelastic response meylan kashiwagi free surface elevation evolution elevation velocity...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-388
... range of incident-wave frequencies are calculated and analyzed. Finally, the corresponding unsteady wave patterns around the hulls are illustrated and discussed. hull-form effect iterative time-marching scheme exciting force ship hydrodynamic hull form panel method kashiwagi engineering...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-805
... scattered-wave energy vertical circular cylinder coordinate system computation reservoir characterization cylinder artificial intelligence wave elevation outer cylinder wave drift force experiment amplitude computed result wave pattern incident wave kashiwagi inner cylinder circular...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-315
... naoe-FOAM-SJTU has good potential to study more complex added resistance issues. reservoir characterization hull ship motion upstream oil & gas interface blunt case engineering motion response amplitude coefficient wave length regular head wave equation kashiwagi free surface...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-435
... is analytically performed. cylinder kashiwagi operator amplitude genetic algorithm optimized parameter scattered-wave energy inner cylinder hydrodynamic interaction frequency newman artificial intelligence l-th body interaction wavenumber wave drift force velocity potential outer column...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-613
... waves seem to be still unclear, because most comparisons have been made between the total increase in the ship resistance measured by a dynamometer in waves and the calculated value with a simplified potential-flow theory (e.g. Kashiwagi et al., 2010). Ohkusu (1980) proposed a method for measuring ship...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-173
..., Kyushu University, is introduced and employed in this study. This numerical method will be called the "CIP-based Cartesian grid method" in the present paper from now on. cartesian grid method ship motion interface kashiwagi heave oscillation test free surface numerical result computation...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-508
... wave modes such as surface wave mode (S-mode) and internal wave mode (I-mode) are obtained. frequency domain wave mode equation internal wave heave rao interaction boundary integral equation radiation rao density ratio interface two-layer fluid kashiwagi two-domain boundary element...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-290
... considerable attention by many authors (e.g. Wu et al . (1995), Kashiwagi (2001), Meylan (2002), Sturova (2006) to name a few). A thin floating plate is one of the most well studied hydroelastic problems, because it models many physical applications, such as a VLFS (Very Large Floating Structure) to be used...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-454
... is referred to as Kochin function) included in this formula influences greatly the prediction accuracy of the added resistance. ship resistance diffraction discrepancy drift force ship motion incident wave wave diffraction eut wavelength kashiwagi wigley model forward-speed effect computed...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-028
... is installed on the deck. thinc scheme hyperbolic tangent function cip cartesian grid method experiment calculation computation container ship model equation interaction wave-ship interaction kashiwagi free surface marine transportation particle nonlinear wave-body interaction...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-376
... amplitude viscous effect oscillation test computed result sidewall coefficient heave added-mass higher frequency kashiwagi vortex shedding bem frequency wave channel unnatural variation experiment variation amplitude equation upstream oil & gas gap equal Consideration on 3-D...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-040
... by two or more slender hulls. A large useful deck area is one of the principal advantages associated with these multi hull ships. unified theory coefficient kashiwagi upstream oil & gas reservoir characterization catamaran fn 0 numerical result hull twin wigley hull iwashita motion...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-296
... In this paper, Maruo's formulas of wave drift forces acting on a freely floating body in waves are derived without the momentum theory. Firstly a method to estimate the surface integral of freely floating body is proposed. Then Kashiwagi's 1st and 2nd reciprocity, that is the energy conservation...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-374
... previous research (Watanabe et al.,2004, Kashiwagi,1998,1999) on hydroelastic response of a pontoon-type VLFS, there is still much work to be done. One thing is to consider the effect of nonlinear waves on hydroelastic response of VLFS. In case of extreme situations such as a large storm, the frequency...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-281
... system right-hand side computation pressure poisson water impact phenomenon kashiwagi calculation multigrid method reservoir simulation variation free surface cfd method simulation A Numerical Simulation of Water Impact Phenomena by the CIP-based CFD Combined with the Multigrid Method...

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