Blade fir tree design by genetic algorithm method

Author: 
Carlo Frola (avio)

The shape of the location where turbine blade and disk are connected, is usually complicated and is  subjected to many mandatory design criteria that need to be satisfied at the same time. This work design an automatic process governed by modeFRONTIER to optimize the fir tree shape using  an adimensional parametrical model in MSC/Patran. The process run automatically different engine like Matlab for preliminary calculation, Patran and Nastran for detailed calculation. The process produce optimized solutions in compliance with all the design criteria.

 

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