PANSAIL is a vortex-lattice code that has been optimized for use in the design and analysis of yacht sails. It is able to calculate the pressure distribution on either side of a thin surface so that a boundary layer calculation can be performed to predict the viscous drag on the sail and the onset of flow separation and lift loss.
SimSpar is a software dedicated to the design and the tuning of the mast. It uses the structural modeling techniques in order to provide an accurate prediction of the deformation and strength of the rigged mast.
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