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<p>With a focus on real-world rocket structures, advanced methods for analyzing the stress–strain state of axisymmetric shell structures made of orthotropic nonlinear elastic polymer composite materials with arbitrary transverse shear stiffness, including the limiting case corresponding to the Kirchhoff–Love assumptions have been developed. The influence of the orthotropy axis orientation, transverse shear effects, and material nonlinearity on the stress distribution in rocket components has been investigated.</p>

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Numerical Modeling of Nonlinear Elastic State of Rocket Fuel Tank Bottom Considering Actual Shear Stiffness of Composite Material

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • D. V. Klymenko,
  • V. A. Maksymyuk,
  • E. A. Storozhuk,
  • I. S. Chernyshenko

摘要

With a focus on real-world rocket structures, advanced methods for analyzing the stress–strain state of axisymmetric shell structures made of orthotropic nonlinear elastic polymer composite materials with arbitrary transverse shear stiffness, including the limiting case corresponding to the Kirchhoff–Love assumptions have been developed. The influence of the orthotropy axis orientation, transverse shear effects, and material nonlinearity on the stress distribution in rocket components has been investigated.