STRESS ANALYSIS OF THE APERTURE IN COMPOUND PIPELINE BY FEM
来源期刊：Acta Metallurgica Sinica2007年第5期
论文作者：C.L. Fan X.Z. Hou H.Y. Fang J.G. Yang Z. Luo
Key words：compound pipeline; stress; software Marc;
Abstract: There is a cyclical aperture at a certain part of the fiberglass reinforced plastic compound pipeline with a stainless steel pipe as a liner, which becomes the weakness of the conduit. The field of stress and strain of the aperture was investigated using the nonliner finite element code Marc. The results of the finite element analysis showed that there were concentrations of stress and strain in the layer of stainless steel at the part of the pipeline where the aperture existed. The method to solve these problems was also discussed.
C.L. Fan1，X.Z. Hou2，H.Y. Fang1，J.G. Yang1，Z. Luo3
(1.State Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology, Harbin 150001, China;
2.Daqing Oil-Chem-Welding Institute, Daqing 163712, China;
3.School of Material Science and Engineering, Tianjin University,Tianjin 300072, China)
Abstract:There is a cyclical aperture at a certain part of the fiberglass reinforced plastic compound pipeline with a stainless steel pipe as a liner, which becomes the weakness of the conduit. The field of stress and strain of the aperture was investigated using the nonliner finite element code Marc. The results of the finite element analysis showed that there were concentrations of stress and strain in the layer of stainless steel at the part of the pipeline where the aperture existed. The method to solve these problems was also discussed.
Key words:compound pipeline; stress; software Marc;
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