Research Article
A Fluid-Solid-Magnetic Coupling Algorithm of Internal Crack Growth in the Weld of Oil and Gas Pipelines
| Material parameter | Geometric dimension | loading |
| Q235 | Pipe diameter | 400mm | | Pipe wall thickness | 8mm | Weld width | 18mm | Weld reinforcement height | 2mm | Initial length of internal crack | 2mm | Pre-expansion route length | 8mm |
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