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<p>A technique for determining the thermoelastic stress-strain state of layered shell elements of rocketry manufactured by a cross-winding method is developed. The technique is based on the straight-line element hypotheses for the entire package of layers and thermoelasticity relations of an anisotropic material with one plane of elastic symmetry. The problem is solved by numerical integration of the system of ordinary differential equations. Using a two-dimensional spline, a new variant of the technique for calculating the thermoelectric stress-strain state of layered shells is proposed. The technique provides the third-order accuracy with respect to coordinates.</p>

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Method for Calculating Thermoelastic State of Rocketry Shell Elements Manufactured by Cross-Winding

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • O. Z. Galishin,
  • P. O. Steblyanko,
  • V. M. Kharchenko

摘要

A technique for determining the thermoelastic stress-strain state of layered shell elements of rocketry manufactured by a cross-winding method is developed. The technique is based on the straight-line element hypotheses for the entire package of layers and thermoelasticity relations of an anisotropic material with one plane of elastic symmetry. The problem is solved by numerical integration of the system of ordinary differential equations. Using a two-dimensional spline, a new variant of the technique for calculating the thermoelectric stress-strain state of layered shells is proposed. The technique provides the third-order accuracy with respect to coordinates.