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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.2018029412
pages 903-912

APPLICATION OF THE FINITE ELEMENT METHOD FOR INVESTIGATION OF INFLUENCE OF TECHNOLOGICAL DAMAGE ON STRENGTH CHARACTERISTIC OF LAYERED COMPOSITE STRUCTURES

Victor Ivanovich Mitryaykin
Kazan National Research Technical University, 10, K.Marx St., Kazan, Tatarstan, 420111, Russian Federation
Dmitry Valeryevich Nedel'ko
Kazan National Research Technical University, 10, K.Marx St., Kazan, Tatarstan, 420111, Russian Federation
Sergey Vasilyevich Saltykov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky St., Zhukovsky, Moscow Region, 140180 Russia
Vladimir Alekseevich Shuvalov
Kazan Helicopters, 14 Tetsevskaya St., Kazan, Tatarstan, 420085, Russian Federation

ABSTRACT

Based on the specialized finite element taking into account the deformation features of layered composite structures, the authors developed a finite element model of the elastic structural element (torsion) of the helicopter main rotor hub. The developed model is adapted to reproduce possible technological damage. The effect of technological damage on the stress–strain state of the considered structural element of the helicopter rotor hub is analyzed.


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