Abstract: A method for modeling at least a part of a blade of a non-streamlined propeller, part of the blade having an offset. The method includes (a) Parameterization of at least one Bezier curve representing a deformation of the blade characterizing the offset, defined by: a. First and second end control points (PCU1, PCUK); b. At least one intermediate control point (PCUi, i?[[2,K?1]]) disposed between the end points (PCU1, PCUK). The parameterization being performed according to at least one deformation parameter and the cutting height in the blade, on the basis of which the abscissa of the intermediate control point (PCUi) and the ordinate of the second end point (PCUK) are expressed. Optimized values of the deformation parameter or parameters are determined and then output.

Abstract: The present invention concerns a method for modelling at least a part of a blade (2) of a non-streamlined propeller (1), the part of the blade (2) having an offset (3), the method being characterised in that it comprises implementing, using data processing means (11) of a piece of equipment (10), steps of: (a) Parameterisation of at least one Bézier curve representing a deformation of said blade (2) characterising the offset (3), defined by: a. First and second end control points (PCU1, PCUK); b.