Residual strength analysis of pipeline with circumferential groove corrosion subjected to internal pressure. (2020)

• Record Type: Journal Article
• Authors: Arumugam, Thibankumar; Karuppanan, Saravanan; Ovinis, Mark
• Is Part Of: Materials today. Volume 29:Part 1(2020)
• Page Start: 88
• Page End: 93
• Publication Date: 2020
• Subjects: Pipe corrosion -- Circumferential groove corrosion -- Internal pressure -- Finite element analysis -- Residual strength; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2020.05.699
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: This paper describes the application of finite element method (FEM) to predict the failure pressure of pipe with circumferential groove corrosion subjected to internal pressure. The FEM incorporated material nonlinearity and employed true UTS to determine the failure point. Finite element analysis (FEA) results were used to determine the failure trends of circumferential groove corrosion. Since DNV-RP-F101 has limited parametric range for predicting the failure pressure of circumferential groove corrosion subjected to internal pressure, several equations were then developed by utilizing Buckingham's π theorem and nonlinear multivariate regression techniques. These equations provide failure pressure predictions with errors less than 5%.