Title | Strength analysis of composite rotor blade of helicopter under shock damage |
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Authors | I. N. Sidorov^{1}, V. I. Mitryaikin^{1}, A. V. Gorelov^{1}, L. P. Shabalin^{1}^{1}Kazan national research technical University named after A. N. Tupolev - KAI |

Annotation | The results of the calculation of the stress-strain and limit states of the rotor blade of the ANSAT helicopter under different flight conditions, taking into account the possible damage of the blade in the butt section, are presented. The safety factors of the blade in the butt section depending on the azimuth angle of rotation of the blade are determined for the case when all the generalized forces change in proportion to one loading parameter. |

Keywords | limit equilibrium theory, safety factor, method of variation of elastic constants, composite rotor blade of the helicopter, damage. |

Citation | Sidorov I. N., Mitryaikin V. I., Gorelov A. V., Shabalin L. P. ''Strength analysis of composite rotor blade of helicopter under shock damage'' [Electronic resource]. Proceedings of the XIV International scientific conference ''Differential equations and their applications in mathematical modeling''. (Saransk, July 9-12, 2019). Saransk: SVMO Publ, 2019. - pp. 150-155. Available at: http://conf.svmo.ru/files/2019/papers/paper40.pdf. - Date of access: 18.10.2021. |

**© SVMO, National Research Mordovia State University, 2021**

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