Simulation of elastoplastic deformation of helicopter skid landing gear springs |
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Authors: | S A Mikhailov L V Korotkov D V Nedel’ko |
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Institution: | 1. Tupolev State Technical University, Kazan, Russia 2. OAO Kazan Helicopters, Kazan, Russia
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Abstract: | A technique is proposed for calculating the stress strain state and power intensity of helicopter skid landing gear springs operating under conditions of dynamic loading taking into account a physically and geometrically nonlinear deformation scheme. Using real helicopter structures, the sufficient reliability of the technique developed is confirmed by comparison with experimental results. The solution convergence conditions are analyzed by the method proposed under approximation of the material deformation diagram with stressed spline. |
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