A study on the buckling behaviour of a bellows-type vacuum vessel with torus shape in a reversed field pinch device

Ioki, K.; Kushiyama, M.; Yagi, Y.; Hirano, Y.; Shimada, Tsutomu; Hattori, Kazuo

doi:10.1016/0920-3796(94)00233-w

Cited by 9 publications

(3 citation statements)

References 3 publications

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“…The element type of the model is the eight nodes hexahedron unit. Components considered in the model include : head ( 1/ 4 ) , head flange ( 1/ 4 ) , head and head flange weld ring ( 2 ) .The grid cell number of the cover flange structure is 108869 and the number of nodes is 168932. The local detail after meshing structure is shown in figure 2.The flange and the girth weld on the top of the head is weld 1, the girth weld on the lower part of the head is weld 2.…”

Section: Finite Element Modelingmentioning

confidence: 99%

“…The vacuum container for space environment simulation belongs to special pressure vessel equipment, and as a basic component of environment simulator, its design and manufacturing should follow strict standards [1,2]. Nowadays, there are no specific design criteria for the vacuum vessel; the design is usually carried out with reference to the standard pressure vessel design.…”

Section: Introductionmentioning

confidence: 99%

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The Simulation and Analysis of the New Type Large Vacuum Container Flange Welding Process

Liu

Yan

Han

et al. 2014

AMM

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Flange is the key part of the large vacuum container and its stiffness property affects the sealing effect and the stability of the container. Large flange welding process will have a greater impact on its structural strength. In view of the traditional way of forming large vacuum container flange has problems that processing and manufacturing are difficult, more material consumption, and poor stiffness, a new type of flange structure was support. The new design has hollow structure and the welding process of cover flange was simulated through the finite element method. After that, the stress and the deformation were analyzed and then the proper welding scheme was optimized.

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Section: Finite Element Modelingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Simulation and Analysis of the New Type Large Vacuum Container Flange Welding Process

Liu

Yan

Han

et al. 2014

AMM

View full text Add to dashboard Cite

show abstract

“…One is eigenvalue buckling analysis, and the other is Non-linear buckling analysis. The first method is mainly used to analyses ideal elastic body, which could predict the maximal load and show the shape of buckling wave and also as the preprocess of Non-linear buckling analysis [9,10].…”

Section: Mechanical and Aerospace Engineering IVmentioning

confidence: 99%

Structure Design and Optimization of Vacuum Vessel for Spacecraft Thermal Test

Han

Liu

Lyu

et al. 2013

AMM

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The space environment simulator is a facility used to conduct thermal test for spacecraft, and vacuum vessel is the main body of it. During the test process, the vacuum vessel is exerted an external pressure of 0.1MPa, and there are various pipe orifices on the body of the vessel, therefore the intensity and stability should be taken into account carefully. This paper introduces three approaches for the design of structure intensity and stability of vacuum vessel, and takes GVU-600 space environment simulator as an example, which is the first aerospace facility developed by China for Russia. One approach is calculation by rules, and the second method utilizing finite element analysis, which could check details of the structure, but the efficiency of the previous two methods is low. In the end, a mathematics approach is introduced, which utilizes the optimization model, and the design parameters could be calculated accurately and efficiently.

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Progress in the design of in-vessel components for ITER

Parker

Gauster

1995

Fusion Engineering and Design

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A study on the buckling behaviour of a bellows-type vacuum vessel with torus shape in a reversed field pinch device

Cited by 9 publications

References 3 publications

The Simulation and Analysis of the New Type Large Vacuum Container Flange Welding Process

The Simulation and Analysis of the New Type Large Vacuum Container Flange Welding Process

Structure Design and Optimization of Vacuum Vessel for Spacecraft Thermal Test

Progress in the design of in-vessel components for ITER

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