Modeling Stress State Stiffening of the Nozzle Zone of Pressure Vessel by Finite Element Method

被引：0

作者：

Zenkov, E. V. ^{[1
]}

Aistov, I. P. ^{[2
]}

Vansovich, K. A. ^{[2
]}

机构：

[1] Irkutsk Natl Res Tech Univ, 83 Lermontov Pr, Irkutsk 664074, Russia

[2] Omsk State Tech Univ, 11 Mira Pr, Omsk 644050, Russia

来源：

OIL AND GAS ENGINEERING (OGE-2019) | 2019年 / 2141卷

关键词：

D O I：

10.1063/1.5122092

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Structural strength of parts and elements of machines with structural inhomogeneities should in some cases be carried out taking into account the rigidity (type) of their stress-strain state (SSS). The paper presents the implementation of the first two stages of the methodology for assessing the static strength of deformable objects, taking into account the characteristics of the deformation of their material. The essence of these stages is to calculate the stiffness of the finite element model of the structure according to the results of calculating its SSS by the finite element method (FEM). Static calculation of SSS on the FEM of the experimental model of the nozzle zone of the pressure vessel at the time of destruction was performed. Using the calculated characteristics of the SSS at the time of destruction, the rigidity of the SSS was calculated at the nodes and finite elements of the calculation model based on the use of a specially developed computer program with the ability to display the results in the MSC Patran pre-processor.

引用

页数：6

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