The paper presents a procedure for determining the design parameters of multilayer thick-walled structures with a local load on the inner surface portion located near the end face. The design provides for the use of two layers, of which the outer layer can have a smaller height. The procedure involves obtaining numerical results of calculating the stress state of the inner cylinder, their approximation, the use of the Lame–Gadolin solution for shroud design. In the computational scheme for the first cylinder, the internal and external load intensities were taken to be constant. The result of the research is analytical relations relating the inner-to-outer radius ratios of the cylinder and shroud height to their strength characteristics. The use of these relations makes it possible to optimize the design. Numerical results obtained in the approximation and optimization of the design are presented.

中文翻译：

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靠近端面载荷局部化的厚壁圆筒的设计与优化

本文提出了一种确定多层厚壁结构设计参数的程序，该结构在靠近端面的内表面部分具有局部载荷。该设计提供了两层的使用，其中外层可以具有较小的高度。该过程涉及获得计算内圆柱体应力状态的数值结果，它们的近似值，使用Lame-Gadolin解决方案进行护罩设计。在第一个气缸的计算方案中，内部和外部负载强度被认为是恒定的。研究的结果是将圆柱体的内外半径比和护罩高度与其强度特性相关的分析关系。这些关系的使用使优化设计成为可能。