Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure
Апстракт
Since local defects reduce the load-carrying capacity and deformation ability of a piping system, an analysis is undertaken to quantify the influence of weld defects on integrity of the pipe elbows subjected to internal pressure. Incompletely filled groove is examined, because this type of defect was previously detected by ultrasonic measurement on the inner surface of the pipeline from a hydro-power plant. Three-dimensional finite element analysis is conducted using Abaqus software package. The influence of weld defect geometry (its depth, length and location) on the elbow integrity is determined. Additionally, decrease of load carrying capacity is determined for the case when a crack has initiated at the bottom of the defect. The influence of finite element type (hexahedral or tetrahedral) is examined.
Кључне речи:
welded joint / structural integrity / pipe / incompletely filled groove / finite element method / elbowИзвор:
Tehnički vjesnik, 2013, 20, 2, 285-290Издавач:
- Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek
Финансирање / пројекти:
- Развој нових методологија ревитализације турбинске и хидромеханичке опреме хидроелектрана у зависности од узрока деградације материјала (RS-MESTD-Technological Development (TD or TR)-35002)
- Микромеханички критеријуми оштећења и лома (RS-MESTD-Basic Research (BR or ON)-174004)
- E!5348
Институција/група
Institut za ispitivanje materijalaTY - JOUR AU - Dimić, Ivana AU - Arsić, Miodrag AU - Međo, Bojan AU - Stefanović, Ana AU - Grabulov, Vencislav AU - Rakin, Marko PY - 2013 UR - http://rims.institutims.rs/handle/123456789/202 AB - Since local defects reduce the load-carrying capacity and deformation ability of a piping system, an analysis is undertaken to quantify the influence of weld defects on integrity of the pipe elbows subjected to internal pressure. Incompletely filled groove is examined, because this type of defect was previously detected by ultrasonic measurement on the inner surface of the pipeline from a hydro-power plant. Three-dimensional finite element analysis is conducted using Abaqus software package. The influence of weld defect geometry (its depth, length and location) on the elbow integrity is determined. Additionally, decrease of load carrying capacity is determined for the case when a crack has initiated at the bottom of the defect. The influence of finite element type (hexahedral or tetrahedral) is examined. PB - Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek T2 - Tehnički vjesnik T1 - Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure EP - 290 IS - 2 SP - 285 VL - 20 UR - https://hdl.handle.net/21.15107/rcub_technorep_2515 ER -
@article{ author = "Dimić, Ivana and Arsić, Miodrag and Međo, Bojan and Stefanović, Ana and Grabulov, Vencislav and Rakin, Marko", year = "2013", abstract = "Since local defects reduce the load-carrying capacity and deformation ability of a piping system, an analysis is undertaken to quantify the influence of weld defects on integrity of the pipe elbows subjected to internal pressure. Incompletely filled groove is examined, because this type of defect was previously detected by ultrasonic measurement on the inner surface of the pipeline from a hydro-power plant. Three-dimensional finite element analysis is conducted using Abaqus software package. The influence of weld defect geometry (its depth, length and location) on the elbow integrity is determined. Additionally, decrease of load carrying capacity is determined for the case when a crack has initiated at the bottom of the defect. The influence of finite element type (hexahedral or tetrahedral) is examined.", publisher = "Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek", journal = "Tehnički vjesnik", title = "Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure", pages = "290-285", number = "2", volume = "20", url = "https://hdl.handle.net/21.15107/rcub_technorep_2515" }
Dimić, I., Arsić, M., Međo, B., Stefanović, A., Grabulov, V.,& Rakin, M.. (2013). Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure. in Tehnički vjesnik Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek., 20(2), 285-290. https://hdl.handle.net/21.15107/rcub_technorep_2515
Dimić I, Arsić M, Međo B, Stefanović A, Grabulov V, Rakin M. Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure. in Tehnički vjesnik. 2013;20(2):285-290. https://hdl.handle.net/21.15107/rcub_technorep_2515 .
Dimić, Ivana, Arsić, Miodrag, Međo, Bojan, Stefanović, Ana, Grabulov, Vencislav, Rakin, Marko, "Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure" in Tehnički vjesnik, 20, no. 2 (2013):285-290, https://hdl.handle.net/21.15107/rcub_technorep_2515 .