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Numerical Simulation of Wave Loading on Static Offshore Structures

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Part of the Springer Tracts in Mechanical Engineering book series (STME)

Abstract

This chapter presents numerical simulations of water waves using the Finite Volume Method. Wave loads exerted on a truncated circular cylinder are calculated and compared to experimental data.

Mathematical model of two-phase incompressible flow is based on Navier–Stokes equations with Volume-Of-Fluid method for interface capturing. Waves are generated and absorbed using relaxation zones with prescribed potential flow solution. Potential flow and CFD solutions are blended implicitly within governing equations. The novel approach allows stable simulations at higher Courant–Friedrichs–Lewy numbers. The algorithm is described in detail and implemented within OpenFOAM/FOAM-extend in Naval Hydro pack.

The method is validated on two test cases, both regarding truncated circular cylinder. The first test case considers maximum regular wave loads with different frequencies and wave heights. The second test case simulates phase focused freak wave and its impact on the cylinder.

Keywords

  • Computational Fluid Dynamic
  • Significant Wave Height
  • Computational Fluid Dynamic Simulation
  • Wave Load
  • Offshore Structure

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Correspondence to Hrvoje Jasak .

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Jasak, H., Vukčević, V., Gatin, I. (2015). Numerical Simulation of Wave Loading on Static Offshore Structures. In: Ferrer, E., Montlaur, A. (eds) CFD for Wind and Tidal Offshore Turbines. Springer Tracts in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-16202-7_9

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  • DOI: https://doi.org/10.1007/978-3-319-16202-7_9

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-16201-0

  • Online ISBN: 978-3-319-16202-7

  • eBook Packages: EngineeringEngineering (R0)