Numerical study of semi-elliptical cracks in the critical position of pipe elbow
Pipelines are considered as a major tool to transport hydrocarbons due to its important role in transporting fluids taking into account the operating conditions. Despite the importance of the elbow which considered as a critical part in the pipelines, the repeated failures and defects became a dange...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2019-07-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2351/2564 |
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| author | Bassam Gamal Nasser Muthanna Omar Bouledroua Madjid Meriem-Benziane Mohammed Hadj-Meliani Guy Pluvinage Rami Khalid Suleiman |
| author_facet | Bassam Gamal Nasser Muthanna Omar Bouledroua Madjid Meriem-Benziane Mohammed Hadj-Meliani Guy Pluvinage Rami Khalid Suleiman |
| author_sort | Bassam Gamal Nasser Muthanna |
| collection | DOAJ |
| description | Pipelines are considered as a major tool to transport hydrocarbons due to its important role in transporting fluids taking into account the operating conditions. Despite the importance of the elbow which considered as a critical part in the pipelines, the repeated failures and defects became a dangerous and enormously costly issue. In this numerical study, the Fluid-Structure Interaction (FSI) analysis was carried out using Ansys software. This work is divided into four main parts: the first part focused on studying and comparing the effect of bending radius of pipe elbow on the maximum of Von-Mises stress values for each radius with the yield stress of the steel of the pipe. The second part focused on the creation of a semi-elliptical crack for different locations along the elbow angles to show the critical position compared to the stress intensity factors. In the third part, the semi-elliptical crack angle orientation was studied at the critical position to estimate the critical angle. In the last part, the failure assessment diagram (FAD) was used to show the critical crack depth ratios at a critical position and a critical angle. |
| format | Article |
| id | doaj-art-300e3c3a4e3c40d2ad8c73b6546ee0f3 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2019-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-300e3c3a4e3c40d2ad8c73b6546ee0f32025-01-03T01:40:41ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932019-07-01134946347710.3221/IGF-ESIS.49.4410.3221/IGF-ESIS.49.44Numerical study of semi-elliptical cracks in the critical position of pipe elbowBassam Gamal Nasser MuthannaOmar BouledrouaMadjid Meriem-BenzianeMohammed Hadj-MelianiGuy PluvinageRami Khalid SuleimanPipelines are considered as a major tool to transport hydrocarbons due to its important role in transporting fluids taking into account the operating conditions. Despite the importance of the elbow which considered as a critical part in the pipelines, the repeated failures and defects became a dangerous and enormously costly issue. In this numerical study, the Fluid-Structure Interaction (FSI) analysis was carried out using Ansys software. This work is divided into four main parts: the first part focused on studying and comparing the effect of bending radius of pipe elbow on the maximum of Von-Mises stress values for each radius with the yield stress of the steel of the pipe. The second part focused on the creation of a semi-elliptical crack for different locations along the elbow angles to show the critical position compared to the stress intensity factors. In the third part, the semi-elliptical crack angle orientation was studied at the critical position to estimate the critical angle. In the last part, the failure assessment diagram (FAD) was used to show the critical crack depth ratios at a critical position and a critical angle.https://www.fracturae.com/index.php/fis/article/view/2351/2564ElbowPipeSemi-elliptical crackStress Intensity Factors (SIFs)Failure Assessment Diagram (FAD) |
| spellingShingle | Bassam Gamal Nasser Muthanna Omar Bouledroua Madjid Meriem-Benziane Mohammed Hadj-Meliani Guy Pluvinage Rami Khalid Suleiman Numerical study of semi-elliptical cracks in the critical position of pipe elbow Fracture and Structural Integrity Elbow Pipe Semi-elliptical crack Stress Intensity Factors (SIFs) Failure Assessment Diagram (FAD) |
| title | Numerical study of semi-elliptical cracks in the critical position of pipe elbow |
| title_full | Numerical study of semi-elliptical cracks in the critical position of pipe elbow |
| title_fullStr | Numerical study of semi-elliptical cracks in the critical position of pipe elbow |
| title_full_unstemmed | Numerical study of semi-elliptical cracks in the critical position of pipe elbow |
| title_short | Numerical study of semi-elliptical cracks in the critical position of pipe elbow |
| title_sort | numerical study of semi elliptical cracks in the critical position of pipe elbow |
| topic | Elbow Pipe Semi-elliptical crack Stress Intensity Factors (SIFs) Failure Assessment Diagram (FAD) |
| url | https://www.fracturae.com/index.php/fis/article/view/2351/2564 |
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