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An Influence of Geometrical Parameters of the Lock of the Blade-Disc Joint on Stress in the FEA and DIC Methods
 
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Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, gen. Sylwestra Kaliskiego 2, 00-908 Warszawa, Poland
CORRESPONDING AUTHOR
Olga Grzejszczak   

Wojskowa Akademia Techniczna Wydział Mechatroniki, Uzbrojenia i Lotnictwa Instytut Techniki Lotniczej
Publication date: 2021-03-01
 
Adv. Sci. Technol. Res. J. 2021; 15(1):209–217
 
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ABSTRACT
In this paper, an assessment of strength properties of the existing blade-disc dovetail joint is presented, taking the parametric optimization of its geometry. A sensitivity of the analysis was carried out to determine the relationship between selected geometric parameters and strength properties of the structure questioned. Results from experiments and computer simulations were compared. In addition, the fatigue life of the structure was analyzed for different materials and using the change of speed ranges and parameterization of geometry.