High-pressure metal composite vessel, endochronic theory of plasticity, nonlinear deformation, composite materials, design calculation, strength calculation, stress-strain state

The article contains the results of design a spherical metal composite high-pressure vessel. A method of performing a verification calculation using the endochronic theory of plasticity is proposed to take into account the nonlinear properties of both the composite shell material and the liner material. Based on the results of the verification calculation, recommendations for improving the design are proposed and the influence of the nonlinear behavior of the carbon fiber shell on the stress-strain state of the pressure vessel is estimated.

Zimin Vladimir Nikolaevich, Doctor of Technical Sciences, Professor, Head of the Department of Spacecraft and Launch Vehicles, Bauman Moscow State Technical University, Moscow, Russia.

Kuvyrkin George Nikolaevich, Doctor of Technical Sciences, Professor, Head of the Department of Applied Mathematics, Bauman Moscow State Technical University, Moscow, Russia.

Rakhimov Daniel Rustamovich, postgraduate student, Bauman Moscow State Technical University, Moscow, Russia.