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Modeling the Seakeeping Performance of Luxury Cruise Ships 被引量:4
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作者 曹宇 俞宝均 王建方 《Journal of Marine Science and Application》 2010年第3期292-300,共9页
The seakeeping performance of a luxury cruise ship was evaluated during the concept design phase.By comparing numerical predictions based on 3-D linear potential flow theory in the frequency domain with the results of... The seakeeping performance of a luxury cruise ship was evaluated during the concept design phase.By comparing numerical predictions based on 3-D linear potential flow theory in the frequency domain with the results of model tests, it was shown that the 3-D method predicted the seakeeping performance of the luxury cruise ship well.Based on the model, the seakeeping features of the luxury cruise ship were analyzed, and then the influence was seen of changes to the primary design parameters (center of gravity, inertial radius, etc.).Based on the results, suggestions were proposed to improve the choice of parameters for luxury cruise ships during the concept design phase.They should improve seakeeping performance. 展开更多
关键词 luxury cruise ship seakeeping performance 3-D linear potential flow theory frequency domain design parameters
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Calculating buoy response for a wave energy converter-A comparison of two computational methods and experimental results
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作者 Linnea Sjokvist Malin Goteman +4 位作者 Magnus Rahm Rafael Waters Olle Svensson Erland Stromstedt Mats Leijon 《Theoretical & Applied Mechanics Letters》 CAS CSCD 2017年第3期164-168,共5页
When designing a wave power plant, reliable and fast simulation tools are required. Computational fluid dynamics (CFD) software provides high accuracy but with a very high computational cost, and in operational, mod... When designing a wave power plant, reliable and fast simulation tools are required. Computational fluid dynamics (CFD) software provides high accuracy but with a very high computational cost, and in operational, moderate sea states, linear potential flow theories may be sufficient to model the hydrodynamics. In this paper, a model is built in COMSOL Multiphysics to solve for the hydrodynamic parameters of a point-absorbing wave energy device. The results are compared with a linear model where the hydrodynamical parameters are computed using WAMIT, and to experimental results from the Lysekil research site. The agreement with experimental data is good for both numerical models. 展开更多
关键词 Hydrodynamic simulation linear potential flow theory EXPERIMENTS Wave energy Lysekil research site
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