Based on the statistical analysis of test results of production elastic multilayer beams, the variation range was determined, the expectation and variance of random values of the compliance of the hingeless hub of the helicopter main rotor, were obtained. The mechanical characteristics of the materials (fiberglass and rubber) that make up the elastic element were selected by the Nelder–Mead simplex method and the range of their spread at mass production was determined. The convergence of the applied method is shown.


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    Title :

    The Mechanical Characteristics Range Spread Determined by the Nelder–Mead Method for a Production Elastic Element Made of Polymer Composite Materials


    Additional title:

    Russ. Aeronaut.


    Contributors:

    Published in:

    Russian Aeronautics ; 66 , 1 ; 23-29


    Publication date :

    2023-01-01


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English







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