Centre National De La Recherche Scientifique

Safran Aircraft Engines

Ecole Centrale De Lyon

Ecole Nationale D'ingenieurs De Saint-etienne

Fabrice Hugues Jean Pierre Thouverez

Fabrice Joel Luc Chevillot

Marie-Oceane Parent

Marie-Océane Parent

The present invention relates to a method for dimensioning a turbomachine comprising a casing and a disc to which at least one blade is secured, said disc being rotationally driven by a shaft about a turbomachine axis (z), comprising: &#x2014;acquisition (E) of the coordinates (P) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the disc; &#x2014;expression (E) of the coordinates (P') of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the casing; &#x2014;calculation (E) of the distance (g) between the casing and the ends of the leading edge and trailing edge of the blade from the coordinates (P&#x2032;) expressed in the frame of reference connected with the casing; &#x2014;calculation (E) of the contact pressures between the blade and the casing along the end of the blade from the calculated distance (g); &#x2014;calculation (E) of the reaction forces and moments resulting from contact between the blade and the casing from the calculated pressures; &#x2014;dimensioning (E) of the turbomachine as a function of the calculated distances, pressures, forces and moments.

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Tassin la Demi Lune, France

Fabrice Hugues Jean Pierre Thouverez