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Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-004
... design yachts, but it is applicable to much wider range of boats and could help reduce the cost and increase the availability of limited run yacht construction (and possibly opportunities for yacht design commissions). The most important development is the ready availability of CAD/CAM/CNC design...
Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-010
... Interest in foil-assisted monohulls continues to increase. Indicative of this trend is the success of the current IMOCA60 class, the proliferation of new or modified foil-assisted dinghies, performance luxury yachts, as well as race boats, including the novel America’s Cup Class (AC75...
Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-009
... step planning & scheduling simulation opponent node monte-carlo tree search objective decision state boat current state matrix max average match race two-player simultaneous move game directional state mct THE 24T H CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, JUNE 2022...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-004
... Hughes ABSTRACT The rise in interest in large foiling yachts, such as those in the America s Cup, has spurred a corresponding interest in foiling applications in monohull sailing dinghies, both for boats designed specifically for foiling, and through retro-fit foil kits. The present study considers...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-011
... and boat polar diagrams. The stress function is a combination of human and environmental factors. The set of possible routes are then obtained by using an iterative multiple objective optimization algorithm. Isochrone algorithm is used for initializing the set of routes. Then mutation operators are used...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-012
... race course boat tot scratch boat spm upwind newport wind speed standard deviation bermuda race boat speed handicap true wind speed time allowance performance curve knot optimal assumption sailing Two boats sailing in close proximity may inevitably compare their boat...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-005
... In small sailboats, the bodyweight of the sailor is proportionately large enough to induce significant unsteady dynamics of the boat and sail. Sailors use a variety of techniques to create sail dynamics which can provide an increment in thrust, increasing the boatspeed. In this study, we...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-002
... upstream oil & gas measured data coefficient sensor hull distortion vpp simulation contour boat speed correction shape stripe standard deviation awa stripe anemometer ran rudder angle boat This paper compares performance predictions from a Reynolds Averaged Navier...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-016
... Yacht races are won by good sailors racing fast boats. A good skipper takes decisions at key moments of the race based on the anticipated wind behavior and on his position on the racing area and with respect to the competitors. His aim is generally to complete the race before all his opponents...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-015
... for the representative sailor. The they move, can have a marked effect on overall boat accuracy of the pose captured is validated using laboratory performance. Understanding how the influence of the sailor based pose measurements. The completed work will can be captured during the evaluation of alternative hull- provide...
Proceedings Papers

Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-013
... of the Rule [12215-5] logistical complexities involved in building the fleet of GL Germanischer Lloyd Guidelines for the Structural boats in the required time is also discussed. A review of Design of Racing Yachts 24 m the structural design is included to illustrate the efforts to RANS Reynolds Averaged...
Proceedings Papers

Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-012
... by the vector sum of the true occasions when two or more yachts are sufficiently close to wind and the reversed boat velocity. The angles tend to each other to cause some sort of interference. At times this suggest that this represents the true wind and that the can work to your advantage while at other times...
Proceedings Papers

Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-011
... artificial intelligence information onboard instrument computer module training session implementation communication boat speed hardware sensor sailor wind speed dinghy sailing dinghy maneuver software performand system diagram boat This paper describes a new...
Proceedings Papers

Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-009
... and the Pacific Grace. When the new vessel LSA Life saving appliances was first conceived, initial discussions focused on what R Resistance type of vessel to build. It was decided that the starting RM Righting moment point for design would be North Sea Pilot Schooners Rr Residuary resistance boats...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-011
... of reaching more favorable wind, current, and wave daggerboard, a daggerboard allowed to rotate about its conditions than other boats, using tactics more vertical axis. The model was tested in a conventional aggressively, and making their boats travel over the course configuration at various leeway angles...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-009
.... The resulting shapes were used to create a CFD model, and the aerodynamics forces on the sail plan were determined. The results strongly suggest that for this boat it is more efficient to reduce power by keeping the main sheeted hard and lowering the traveler than by keeping the traveler up and easing the sheet...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-002
... main tack to clew and as the sails are soft structures, even small stresses may x Center line axis in the boat reference frame cause large displacements and shape changes leading to y Lateral axis in the boat reference frame high variations in the aerodynamic forces. Moreover, as all z Vertical axis...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-014
...-Class catamarans Alpha CAN 6 and Cogito USA 104 racing off Toronto Island, September, 2007 ABSTRACT step from the current state-of-the-art boats. Compared to Cogito, the main rival, she had a taller, narrower and In 2007 Canada entered its first challenge for the thinner wing, lighter construction...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-013
... for a hull and racks. It is hoped that this data will be useful for future designers to further push the state of the art. displacement side force moth foil section force component junction drag immersion daggerboard foil lifting foil the foil strut hull wind speed drag coefficient boat...

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