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- Article name
- Calculated estimate of acoustic fatigue strength of construction of wing with composite materials
- Authors
- SHARUNOV A. V., , shar-poligon16@ya.ru, Moscow Aviation Institute (National Research University), Moscow, Russia
- Keywords
- aircraft wing / composite materials / durability / acoustic influence / intense deformed state
- Year
- 2015 Issue 3 Pages 3 - 11
- Code EDN
- Code DOI
- Abstract
- Method of durability calculation of aircraft wing construction on account of influence of acoustic loadings is described. Main stages of construction longevity calculation of aircraft on account of influence of acoustic loadings are considered: analysis of aircraft construction for choice of places of the greatest acoustic influence; making vibration and acoustic tests of structurally similar models; correlation analysis of results of vibration and acoustic tests of structurally similar models for plotting graphics of fatigue and calculation of intense deformed state from influence of acoustic loadings; calculation of durability of aircraft design on account of influence of acoustic loadings; analysis of results of calculation of longevity; optimization of aircraft construction. It is established that durability of aircraft construction on account of acoustic loadings is 70 000 flying hours.
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