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Keywords: configuration
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Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-002
... their numerical results. heave rudder deflection upstream oil & gas separation variation canoe body maskew fn 0 configuration resistance grid prediction transition reservoir characterization calculation free surface heel 15 heel 25 wide light project crest flosim A Comparative...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-003
... of conditions, sea states and wave directions (from head seas to following waves). These tests can be used as a comparative tool to assess controllability and seakeeping characteristics of multiple configurations (e.g. hull shape, appendages, inertias) by quantifying induced motions and providing an estimate...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-008
... the second one presents the yacht evolution in unsteady wind demonstrating how in varying conditions the boat may reach attitudes that widely differ from the steady ones. marine transportation appendage yacht maneuver configuration chesapeake sailing yacht symposium response amplitude operator...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-015
... of catamaran architecture on performance is studied by combining VPP predictions with CFD modeling of various deck/cabin configurations. A summary of safety requirements specific to catamarans is given. Case studies are presented number of cruising catamarans designed by AMD; a new prospective concept of a 44...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-006
... a steady RANS calculation, although the computational time increases by a factor of 50. reservoir simulation calculation experiment fluid dynamics mesh surface streamline auckland edge separation bubble separation bubble pressure coefficient headsail mainsail configuration experimental...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-007
..., some results obtained during a wind tunnel campaign carried out at Politecnico di Milano Wind Tunnel, as a benchmark of the whole measuring system for future full scale application, are reported and discussed in details. Moreover, the system configuration for full scale testing, which is still under...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-010
... by comparing the time required to sail two different race courses. simulation coefficient configuration vpp analysis yacht aerodynamic coefficient experimental result margin of victory favorable section experiment quantify drag coefficient university aerodynamic performance scr airfoil...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-009
... is almost entirely attributable to differences in the induced drag. upper draft stripe sheet tension draft stripe sail plan elliptical distribution centerline sail trim traveler true wind angle wind speed drive force lift distribution photograph side force configuration traveler...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-012
..., at both high and low speeds, resistance increased considerably in all configurations. This is thought to be due to increased bow-wetted surface and loss of lift due to excessively decreased trim at the higher speeds. However, it is believed that this study shows that there is considerable merit...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-011
... was tested in a conventional configuration at various leeway angles with the foil aligned to the center plane, in a gybing configuration at a series of angles relative to the hull, and in configurations combining hull yaw and gybing angles to simulate realistic performance. Side-force (lift) and resistance...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-001
...) solver for the fluid part and on a nonlinear structural modelling for the structural part. A loose coupling of both models has been implemented to be able to make Fluid-Structure Interaction simulations on various sail configurations and to investigate the relation between a design shape and its...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-007
... contribution membrane upstream oil & gas time step fiber geometry maskew gradient reservoir simulation yacht boundary condition vector displacement effect grid equation artificial intelligence calculation free surface coefficient configuration separation THE 19th CHESAPEAKE SAILING...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-001
...-like performance of the yacht in a VPP is investigated. reservoir simulation single rudder constraint spinnaker rudder investigation ac90 yacht froude number variant 3 appendage configuration ruder twin rudder yacht prediction boat speed consequence rudder configuration wind...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-003
... of the design space aiding in comprehension and optimization of high performance yachts. This paper will present selected examples from a research study based around tow tank tests and CFD simulations of a canonical high-performance racing yacht. The geometry configurations studied were fully appended...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-014
... is approximately 80° from the bow, and that with a typical heavy weather sail configuration Niagara would be at risk of capsize in about 40 knots of wind. These results are useful for learning about square rig sailing as well as providing guidance to the Niagara’s officers regarding survivability of the ship...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-002
..., wind speed, wind angle, and so on, are also measured. The tested sail configurations are as follows: mainsail with 130% jib, mainsail with 75% jib and mainsail alone. Sail shapes are measured at several height positions. The measured shape parameters are chord length, maximum draft, maximum draft...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-013
... for an America’s Cup yacht. keelfin contribution test program configuration stimulation winglet leeway angle flap 5 transition main appendage glmwt correction appendage configuration reynolds number yacht wind tunnel appendage pact 95 tunnel america THE 17th CHESAPEAKE SAILING YACHT...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-005
... examples are shown: a study of the impact of the ACC V4/V5 rule changes and a comparison of a canting keel and a conventional keel yacht. artificial intelligence efficiency boat speed tank test result ballast keel resistance coefficient keel configuration force coefficient test run...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-010
..., and sailing data from the existing boats. These results are accompanied by physical explanations of the differences, and the special testing and analysis requirements for the movable-ballast configurations are detailed. Finally, some of the design issues unique to the movable-ballast concepts and design trade...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-007
... generation on the water surface are compared. In addition, the aerodynamic flow around different sail configurations is investigated. The benefits to the design process as well as its limitations are discussed. Practical matters, such as manpower and computational requirements, are also considered...

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