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Mathematical modeling of the local temperature effect on the deformation of the heat-shielding elements of the aircraft

  • Antufiev, Boris A. (Department of Resistance of Materials Dynamics and Strength of Machines, Moscow Aviation Institute (National Research University)) ;
  • Sun, Ying (Department of Mechanical Engineering, Hangzhou Xiaoshan Technician College, Hangzhou Zhejiang) ;
  • Egorova, Olga V. (Department of Resistance of Materials Dynamics and Strength of Machines, Moscow Aviation Institute (National Research University)) ;
  • Bugaev, Nikolay M. (Moscow Aviation Institute (National Research University))
  • Received : 2020.08.21
  • Accepted : 2022.01.18
  • Published : 2022.01.25
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Abstract

The physical and mathematical foundations of the heat-shielding composite materials functioning under the conditions of aerodynamic heating of aircraft, as well as under the conditions of the point effect of high-energy radiation are considered. The problem of deformation of a thin shallow shell under the action of a local temperature field is approximately solved. Such problems arise, for example, in the case of local destruction of heat-protective coatings of aircraft shells. Then the aerodynamic heating acts directly on the load-bearing shell of the structure. Its destruction inevitably leads to the death of the entire aircraft. A methodology has been developed for the numerical solution of the entire complex problem on the basis of economical absolutely stable numerical methods. Multiple results of numerical simulation of the thermal state of the locally heated shallow shell under conditions of its thermal destruction at high temperatures have been obtained.

Keywords

Acknowledgement

The work was carried out with the financial support of RFBR grant 20-01-00517 A.

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