This paper describes some CFD and VPP investigations around a 90' yacht designed under the recently proposed class rules of an AC90 yacht to be used in a future Americas Cup. While it currently is not foreseeable if AC90-yachts will ever be sailed in the Americas Cup, these yachts provide some challenges for the designer as well as the flow analyst. In this paper, flow simulations around the fully appended hull at expected very high Froude numbers are shown as well as spinnaker flow simulations taking into account the extraordinary spinnaker design constraints. In addition, the treatment of skiff-like performance of the yacht in a VPP is investigated.
CFD- and VPP-Challenges in the Design of the New AC90 Americas Cup Yacht
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Graf, Kai, Boehm, Christoph, and Hannes Renzsch. "CFD- and VPP-Challenges in the Design of the New AC90 Americas Cup Yacht." Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, Annapolis, Maryland, USA, March 2009. doi: https://doi.org/10.5957/CSYS-2009-001
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