Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines
Pipelines are a critical transportation infrastructure that plays a vital role in the safe and efficient delivery of natural gas, crude oil, and other liquids from production sites to consumption centres. Under particular conditions, the failure of offshore oil and gas pipelines occurs as a resul...
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| Format: | Final Year Project (FYP) |
| Language: | English |
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Nanyang Technological University
2023
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| Online Access: | https://hdl.handle.net/10356/172626 |
| _version_ | 1826112512546832384 |
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| author | Ashley Ivana John |
| author2 | Xiao Zhongmin |
| author_facet | Xiao Zhongmin Ashley Ivana John |
| author_sort | Ashley Ivana John |
| collection | NTU |
| description | Pipelines are a critical transportation infrastructure that plays a vital role in the safe and efficient delivery
of natural gas, crude oil, and other liquids from production sites to consumption centres.
Under particular conditions, the failure of offshore oil and gas pipelines occurs as a result of some
mechanical forces applying pressure. These circumstances pose a possible risk to the pipelines' integrity
and in-service life, which could result in resource loss and environmental damage. According to several
studies, pipeline failure can be attributed to weld failure, fatigue crack growth, corrosion fatigue, stress
corrosion cracking, and fluid flow-induced erosion.
The objective of this report is to study the fracture mechanics on 3D interacting edge cracks in offshore
pipelines. For analysing various crack interactions, a Finite Element (FE) technique was used.
Furthermore, the FE model was applied to study the non-uniform stress distribution generated by the
interaction impact between cracks. The interaction of numerous cracks was modelled using a Finite
Element (FE) approach. The FE model was used as well to study the non-uniform stress distribution that
results from the interaction impact between cracks. |
| first_indexed | 2024-10-01T03:08:15Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/172626 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:08:15Z |
| publishDate | 2023 |
| publisher | Nanyang Technological University |
| record_format | dspace |
| spelling | ntu-10356/1726262023-12-23T16:50:01Z Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines Ashley Ivana John Xiao Zhongmin School of Mechanical and Aerospace Engineering MZXIAO@ntu.edu.sg Engineering::Mechanical engineering Pipelines are a critical transportation infrastructure that plays a vital role in the safe and efficient delivery of natural gas, crude oil, and other liquids from production sites to consumption centres. Under particular conditions, the failure of offshore oil and gas pipelines occurs as a result of some mechanical forces applying pressure. These circumstances pose a possible risk to the pipelines' integrity and in-service life, which could result in resource loss and environmental damage. According to several studies, pipeline failure can be attributed to weld failure, fatigue crack growth, corrosion fatigue, stress corrosion cracking, and fluid flow-induced erosion. The objective of this report is to study the fracture mechanics on 3D interacting edge cracks in offshore pipelines. For analysing various crack interactions, a Finite Element (FE) technique was used. Furthermore, the FE model was applied to study the non-uniform stress distribution generated by the interaction impact between cracks. The interaction of numerous cracks was modelled using a Finite Element (FE) approach. The FE model was used as well to study the non-uniform stress distribution that results from the interaction impact between cracks. Bachelor of Engineering (Mechanical Engineering) 2023-12-19T08:51:35Z 2023-12-19T08:51:35Z 2023 Final Year Project (FYP) Ashley Ivana John (2023). Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/172626 https://hdl.handle.net/10356/172626 en application/pdf Nanyang Technological University |
| spellingShingle | Engineering::Mechanical engineering Ashley Ivana John Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title | Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title_full | Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title_fullStr | Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title_full_unstemmed | Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title_short | Fracture mechanics study on 3-D interacting edge cracks in offshore pipelines |
| title_sort | fracture mechanics study on 3 d interacting edge cracks in offshore pipelines |
| topic | Engineering::Mechanical engineering |
| url | https://hdl.handle.net/10356/172626 |
| work_keys_str_mv | AT ashleyivanajohn fracturemechanicsstudyon3dinteractingedgecracksinoffshorepipelines |