RESEARCH ON PARAMETRIC MODELING METHOD FOR RESIDUAL STRENGTH OF SUBSEA OIL AND GAS PIPELINE

Autor:	ZHOU HongMing, ZHOU WenQing, MAO ZhenHua, LV ChaoQun
Jazyk:	čínština
Rok vydání:	2018
Předmět:	Subsea oil and gas pipeline Geometrical quantity of defect Residual strength Parameterized model Genetic algorithm Mechanical engineering and machinery TJ1-1570 Materials of engineering and construction. Mechanics of materials TA401-492
Zdroj:	Jixie qiangdu, Vol 40, Pp 444-448 (2018)
Druh dokumentu:	article
ISSN:	1001-9669 97487783
DOI:	10.16579/j.issn.1001.9669.2018.02.030
Popis:	In order to solve the problem of safety assessment effectively for subsea oil and gas pipeline,the rules about pipeline residual strength changing with the defect geometric information such as length,width and depth were analyzed using finite element method（ FEM）,and on this basis the parameterized model of pipeline residual strength was obtained,and the unknown coefficients in the model were identified using improved genetic algorithm,thus the model can describe the quantitative relation between the residual strength and defect geometrical quantity. The experimental results show that the model is more reliable than the existing pipeline assessment criteria,it can be effectively used in residual strength analysis for subsea pipeline,the analysis results can provide theoretical basis for pipeline safety assessment.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/5842817a2a97487783fe6e9757a848d0 Zobrazit plný text záznamu View record in DOAJ