Assessment of crack growth development in main pipeline on the basis of elastoplastic model

Assessment of crack growth development in main pipeline on the basis of elastoplastic model

A method for predicting the growth of surface cracks in the wall of the main pipeline under action of operational loads is proposed. The elastoplastic model of surface crack growth under biaxial loading is described on the example of steel 20. ANSYS developed an algorithm for modeling crack grow...

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Bibliographic Details
Main Authors: К. А. Vansovich, I. P. Aistov, А. А. Nakhlestkin, D. S. Beseliya
Format: Article
Language:English
Published: Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education 2019-11-01
Series:Омский научный вестник
Subjects:
surface crack
main pipeline
finite element method
crack growth rate
overloading cycle
mean stress change coefficient
crack growth prediction
Online Access:https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2019/5%20(167)/10-14%20%D0%92%D0%B0%D0%BD%D1%81%D0%BE%D0%B2%D0%B8%D1%87%20%D0%9A.%20%D0%90.,%20%D0%90%D0%B8%D1%81%D1%82%D0%BE%D0%B2%20%D0%98.%20%D0%9F.,%20%D0%9D%D0%B0%D1%85%D0%BB%D0%B5%D1%81%D1%82%D0%BA%D0%B8%D0%BD%20%D0%90.%20%D0%90.%20%D0%B8%20%D0%B4%D1%80..pdf
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