RANS Simulation of the Heave Response of a Two-Body Floating Point Wave Absorber: Preprint

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A preliminary study on a two-body floating wave absorbers is presented in this paper. A Reynolds-Averaged Navier-Stokes computational method is applied for analyzing the hydrodynamic heave response of the absorber in operational wave conditions. The two-body floating wave absorber contains a float section and a submerged reaction section. For validation purposes, our model is first assumed to be locked. The two sections are forced to move together with each other. The locked single body model is used in a heave decay test, where the RANS result is validated with the experimental measurement. For the two-body floating point absorber simulation, the ... continued below

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Yu, Y. & Li, Y. March 1, 2011.

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A preliminary study on a two-body floating wave absorbers is presented in this paper. A Reynolds-Averaged Navier-Stokes computational method is applied for analyzing the hydrodynamic heave response of the absorber in operational wave conditions. The two-body floating wave absorber contains a float section and a submerged reaction section. For validation purposes, our model is first assumed to be locked. The two sections are forced to move together with each other. The locked single body model is used in a heave decay test, where the RANS result is validated with the experimental measurement. For the two-body floating point absorber simulation, the two sections are connected through a mass-spring-damper system, which is applied to simulate the power take-off mechanism under design wave conditions. Overall, the details of the flow around the absorber and its nonlinear interaction with waves are investigated, and the power absorption efficiency of the two-body floating wave absorber in waves with a constant value spring-damper system is examined.

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  • Report No.: NREL/CP-5000-50980
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1011273
  • Archival Resource Key: ark:/67531/metadc835898

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  • March 1, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • April 4, 2017, 12:59 p.m.

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Yu, Y. & Li, Y. RANS Simulation of the Heave Response of a Two-Body Floating Point Wave Absorber: Preprint, article, March 1, 2011; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc835898/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.