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Keywords: geometry
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Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-005
...) towing tank. We use water as the working fluid. Rather than directly experiment with three-dimensional sail shapes, we represent the primary effects of the sail dynamics using rapidly prototyped two-dimensional flexible sail geometries. Shapes are based on extruded draft stripes from the upper third...
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 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-010
... this material is expected to enable the design of sandwich panels with an enhanced damage tolerance. In the case of an impact, the core stores the energy as it is compressed and once the load is released it will return to its original geometry preventing the skin from debonding. SAN or PVC cores would absorb...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-007
... yacht history canoe body artificial intelligence simulation prediction geometry machine learning displacement optimization coefficient objective function autopilot proceedings symposium wind speed equation true wind angle maneuver boat THE 18th CHESAPEAKE SAILING YACHT SYMPOSIUM...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-016
... panels is used to evaluate the core shear, stretch, face sheet failure characteristics of the structures. Explicit experimental observations are used to develop and calibrate analytical energy balance models to generate failure mode maps describing the panel collapse load as a function of geometry. Multi...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-003
... The geometry and bare hull resistance of the IACC systematic series “Il Moro di Venezia” are presented and analyzed. In the first part, the geometry of the model is described; then a number of comparisons is made, following the logic of development of the series. The parent model resistance...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-007
.... wigley hull hull reservoir simulation information free surface fluid dynamics computational domain mesh calculation waterplane geometry symposium america application hydrodynamic equation wind shadow separation boat configuration wind angle THE 16th CHESAPEAKE SAILING YACHT...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-002
... driving force. Thus, this method can be considered a "Virtual Wind Tunnel" (VWT). fluid dynamics sail shape horrigan north sail pressure update hanover pressure coefficient engineering computational fluid dynamic wind condition geometry flow separation boat wind angle thayer school...
Proceedings Papers

Paper presented at the SNAME 15th Chesapeake Sailing Yacht Symposium, January 26, 2001
Paper Number: SNAME-CSYS-2001-005
... Computational Fluid Dynamics (CFD) methods for flow field analysis and unique parametric modeling techniques for shape generation. The geometry of a yacht is entirely described via im­portant form parameters as discussed in detail by the authors at the 1999 CSYS. The canoe body of the yacht is modeled from...
Proceedings Papers

Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-012
... magnitude nor the dependency on hull and keel geometry. This study tries to shed some light on the subject by reporting on a number of model experiments and calculations carried out to define the resistance of four different appendages under two different hulls. artificial intelligence displacement...
Proceedings Papers

Paper presented at the SNAME 12th Chesapeake Sailing Yacht Symposium, January 27–28, 1995
Paper Number: SNAME-CSYS-1995-001
... A great deal of research, both computational and experiment based, has been carried out on the optimisation of hull geometry for minimal hydrodynamic resistance; however, rather less effort has been expended on the equivalent problem of optimising the sailplan geometry. The goals...
Proceedings Papers

Paper presented at the SNAME 5th Chesapeake Sailing Yacht Symposium, January 17, 1981
Paper Number: SNAME-CSYS-1981-003
... as a mathematical surface and use geometry to compute the patterns are presented. Here the sail is treated as a stack of horizontal arcs with precisely defined shapes. In one method, a path excess equation is used to calculate the luff round for a mainsail. Another approach plots the geodesic paths on the sail's...

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