... intelligence submodel alm surrogate prediction construction equilibrium coefficient qmc evaluation vector eta accuracy vpp variance criterion Journal of Sailing Technology 2023, volume 8, issue 1, pp. 76 95. The Society of Naval Architects and Marine Engineers. An Active Learning Strategy...

... of these solutions is discussed followed by a conclusion. 2 6 2023 17 6 2023 26 6 2023 26 6 2023 Copyright 2023, The Society of Naval Architects and Marine Engineers marine transportation coupling journal amplitude hydrofoil tonal noise emission coefficient truncated...

... in loading on the hydrofoil for lower chord-based Froude numbers than 0.8. 17 3 2023 2 6 2023 17 6 2023 21 6 2023 21 6 2023 Copyright 2023, The Society of Naval Architects and Marine Engineers curved tip ibem loading cavitation coefficient cavitating hydrofoil...

... to the unsteady nature of foiling sailboats. Different approaches have been applied to predict the motions of foiling or skimming boats in unsteady conditions. Typically, the aerodynamic forces are computed by the quasi-steady theory assumption. Static coefficients are used, and the applied velocities...

... 2023 22 1 2023 27 1 2023 27 1 2023 Copyright 2023, The Society of Naval Architects and Marine Engineers france government coefficient duncan journal hydrofoil computation hydrodynamic coefficient europe government mesh karim ocean engineering two-dimensional...

... 2022 14 12 2022 19 12 2022 19 12 2022 Copyright 2022, The Society of Naval Architects and Marine Engineers united states government hydrofoil yacht europe government configuration coefficient algorithm germany government resistance vpp equilibrium appendage...

... surface effect adjustments to the predictions from XFLR5. 4 10 2021 27 4 2022 23 5 2022 11 7 2022 11 7 2022 Copyright 2022, The Society of Naval Architects and Marine Engineers boat speed hull xflr5 ac50 svpp knot svpp velocity prediction program coefficient...

... to be decoupled. The paper ends with a description of a mechanical system that satisfies this requirement. 4 6 2021 1 11 2021 11 11 2021 30 11 2021 1 1 2022 Copyright 2022, The Society of Naval Architects and Marine Engineers gain coefficient stability boat speed sailor...

... Engineers artificial intelligence side force reservoir surveillance displacement production control optimization problem analitic downwind condition coefficient mesh production monitoring mesh morphing computational domain radial basis function cella formulation leeway angle...

... for a yacht with similar main particulars. controller prediction downwind sailset syrf 14 free surface procedure force coefficient larsson artificial intelligence sailset convergence rudder angle grid reservoir simulation yacht coefficient overset domain true wind angle coordinate system...

... 2021 24 6 2021 24 6 2021 2021. The Society of Naval Architects and Marine Engineers aerodynamic performance plane geometry spinnaker aerodynamic close viola downwind sail sheet length awa simulation coefficient top domain plane ocean engineering spinnaker boundary...

.... This indicated that the static membrane deformations resulted in a decrease in performance of up to 1.3% compared to the rigid aerofoil. 2021. The Society of Naval Architects and Marine Engineers membrane panel coefficient membrane wing experimental data aerodynamic performance foil performance...

... and DynaRigs; with only the ship main particulars and general dimensions as input data. The tool is based on semi-empirical methods and a WAPS aerodynamic database created from published data on lift and drag coefficients, which can be interpolated with the aim to scale to different sizes and configurations...

... to reduce the computational cost of creating lift and drag force coefficient curves for input into a VPP using both multi-fidelity kriging surrogate modelling and data from existing sail designs. This method is shown to reduce the number of CFD simulations required for a desired accuracy when compared...

... a maximum. The paper describes the method as well as some of the results. 2020. The Society of Naval Architects and Marine Engineers optimization problem resistance constraint prediction artificial intelligence catamaran coefficient boat speed daggerboard flow force drag coefficient...

... Drag force coefficient CL Lift force coefficient CN Yaw moment coefficient CT Resistent coefficient D Design draft (including centerboard 1.08 m) (m) Fn Froude number K, N Moments about x- and z-axis in horizontal body axis system (kgf m) KTrapeze Righting moment of Trapeze (kgf m) L Length on design...

... limited to means for restricted methods where computational resources and budgets are limited. Enhanced lifting line approaches are described for the wingsail and appendages. Windage is calculated from force coefficients and dynamic pressure while hull resistance is determined by means of a potential flow...

... Performance for Upwind Condition The aerodynamic coefficients and the coordinates of the center of effort of the sails for the close-hauled condition are defined as: ,, , 2 1, 2 1 22 Sd Sd CE Sd Sd CE AAa Sd Sd AAa Sd Sd Y Kz Y Nx SU YY SU XX (1) where XSd and YSd are the force components along the xd...

.... A new representation of the aeroelastic effects is proposed in the form of aerodynamic hysteresis loops, obtained by plotting the sail plan aerodynamic coefficients against instantaneous apparent wind angle, varied using a harmonic law combining wind tunnel constant wind speed with sail plan center...

... hull optimist flap angle displacement centre foil centreboard rudder foil water management coefficient dinghy drag coefficient resistance wind tunnel foil VPP section shape lift coefficient wind speed Sailor polar plot 1 Journal of Sailboat Technology, Article 2018-06 © 2018...