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Strength of Materials

Erschienen in:

01.05.2012

Determination of curve characteristics by its discrete points measured with an error and its application to stress analysis for buried pipeline

verfasst von: I. V. Orynyak, I. V. Lokhman, A. V. Bogdan

Erschienen in: Strength of Materials | Ausgabe 3/2012

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Abstract

The problem of reconstruction of a continuous spatial line of a pipeline by the discrete points measured with some error is solved. For the problem solution, a non-iteration numerical algorithm is proposed, according to which each measured point of the pipeline is treated as a compliant support. The algorithm is based on the method of initial parameters and accounts for the concept of “an incompatibility angle” between two adjoining measured sections of a pipeline axis. Using methods of the probability theory, the analysis is performed, which allows one to assess the accuracy of the reconstructed position of a pipeline and obtained stress values. Accuracy of calculations executed by means of the developed algorithm has been verified using the results obtained by analytical methods.

Vorheriger Artikel Topical problems in ensuring safe operation of gas pipelines in the far north environment

Nächster Artikel Limiting state of carbon steels under high-cycle asymmetric tension–compression, bending, and torsion loadings

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Titel: Determination of curve characteristics by its discrete points measured with an error and its application to stress analysis for buried pipeline
verfasst von: I. V. Orynyak
I. V. Lokhman
A. V. Bogdan
Publikationsdatum: 01.05.2012
Verlag: Springer US
Erschienen in: Strength of Materials / Ausgabe 3/2012
Print ISSN: 0039-2316
Elektronische ISSN: 1573-9325
DOI: https://doi.org/10.1007/s11223-012-9380-7

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