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Abstract <p>The paper considers the use of three-layer structural elements in aviation and space technology. A review of works on the study of the stress-strain state of shells weakened by cutouts, in particular, three-layer shells, is given. The paper presents a methodology for constructing models of layer-by-layer finite element analysis of the stress-strain state in the general case of irregular three-layer shells, including those with rectangular cutouts. </p>

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Three-Layer Structural Elements of Aviation and Space Technology. Methodology for Constructing Models of Layer-by-Layer Finite Element Analysis of the Stress-Strain State of Irregular Three-Layer Shells, Including Those with Rectangular Cutouts

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • V. N. Bakulin

摘要

Abstract

The paper considers the use of three-layer structural elements in aviation and space technology. A review of works on the study of the stress-strain state of shells weakened by cutouts, in particular, three-layer shells, is given. The paper presents a methodology for constructing models of layer-by-layer finite element analysis of the stress-strain state in the general case of irregular three-layer shells, including those with rectangular cutouts.