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Delner Brakes Oct 2018

US Coast Guard

IJSCT 116

Paper Title: Coupling of RANSE-CFD with VPP Methods: from the Numerical Tank to Virtual Boat Testing

 

Authors

C Boehm, Delft University of Technology, Netherlands / Yacht Research Unit Kiel, Germany
K Graf, University of Applied Sciences Kiel / Yacht Research Unit Kiel, Germany 

Summary

The paper proposes a new method to evaluate the performance of sailing yachts. It is based on the idea to directly implement the calculation of sail force equilibrium in a RANSE flow solver. This is done by coupling an empirical prediction of sail forces with hydrodynamic forces calculated by the flow code and solving the equations of motion within an transient RANSE solution. The paper discusses implementation steps for the inclusion of the sail forces into the flow code as well as calculation and grid setup. Some first results of the method christened RVPP are shown for a generic yacht design and are compared with results from a classical VPP approach on the same design. The paper finishes with a discussion of the pros and cons of the method.

Reference

Transactions RINA, Vol 153, Part B2, International Journal of Small Craft Technology, Jul-Dec 2011 

DOI number

DOI No: 10.3940/rina.ijsct.2011.b2.116 

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