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Polymer Science, Series D

, Volume 12, Issue 1, pp 85–90 | Cite as

The Stress–Strain State of Structurally Anisotropic Panels from Composite Materials under Force and Process Temperature Exposure

  • B. V. BoitsovEmail author
  • L. M. Gavva
  • Yu. N. Pugachev
Article
  • 5 Downloads

Abstract

Realization of a quality concept and a system qualitative approach to the calculation and design of perspective articles of aeronautical equipment from modern composite materials are key problems for maintaining the quality of the production in aerospace field. A mathematical model for the study of stress–strain state of structurally anisotropic panels from composite materials has been developed. A mathematical model of a reinforcing element during torsional motion at one-side contact with skin has been updated. The effect of the technology on the panel design is considered, namely, residual temperature stresses and preliminary tension of reinforcing fibers. An octic resolving equation and natural boundary conditions have been plotted on the basis of the Lagrange variation principle. A set of exact analytical solutions of boundary problems in single trigonometric series is considered. An application software package has been developed in the MATLAB operating environment. The effect of construction parameters on the degree of stresses and displacements has been analyzed.

Keywords:

panels from composite materials eccentric longitudinal-transverse framing thin-wall bar irregular framing structure force and process temperature exposure Lagrange variation principle stress–strain state single trigonometric series MATLAB 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • B. V. Boitsov
    • 1
    Email author
  • L. M. Gavva
    • 1
  • Yu. N. Pugachev
    • 1
  1. 1.Moscow Aviation University (National Research University)MoscowRussia

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