Fatigue Life Estimation of Notched Structural Components
Authorized Users Only
2010
Authors
Stamenković, DragiMaksimović, Katarina
Nikolić-Stanojević, Vera
Maksimović, Stevan M.
Stupar, Slobodan
Vasović, Ivana
Article (Published version)
Metadata
Show full item recordAbstract
This work considers the analytical/numerical methods and procedures for obtaining the stress intensity factors and for predicting the fatigue crack growth life of notched structural components. Many efforts have been made during the past two decades to evaluate the stress intensity factor for corner cracks and for through cracks emanating from fastener holes. A variety of methods have been used to estimate the stress intensity factor (SIF), values, such as approximate analytical methods, finite element method (FEM), finite element alternating, weight function, photo elasticity and fatigue tests. In this paper the analytic/numerical methods and procedures were used to obtain SIF, and predict the fatigue crack growth life for cracks at attachment lugs. Single through crack in the attachment lug analysis is considered. For this purpose analytic expressions are evaluated for SIF of cracked lug structures. For validation of the analytic stress intensity factors of cracked lugs, FEM with sin...gular finite elements is used. Good agreement between computation and experimental results for fatigue life of aircraft cracked lugs was obtained. To determine crack trajectory of cracked structural components under mixed modes conventional singular finite elements and X-FEM are used.
Keywords:
X-FEM / Notched structural components / lugs / finite elements / fatigue life estimation / analytic stress intensity factor of lugsSource:
Strojniski Vestnik-Journal of Mechanical Engineering, 2010, 56, 12, 846-852Publisher:
- Assoc Mechanical Engineers Technicians Slovenia, Ljubljana
Collections
Institution/Community
Inovacioni centarTY - JOUR AU - Stamenković, Dragi AU - Maksimović, Katarina AU - Nikolić-Stanojević, Vera AU - Maksimović, Stevan M. AU - Stupar, Slobodan AU - Vasović, Ivana PY - 2010 UR - https://machinery.mas.bg.ac.rs/handle/123456789/1069 AB - This work considers the analytical/numerical methods and procedures for obtaining the stress intensity factors and for predicting the fatigue crack growth life of notched structural components. Many efforts have been made during the past two decades to evaluate the stress intensity factor for corner cracks and for through cracks emanating from fastener holes. A variety of methods have been used to estimate the stress intensity factor (SIF), values, such as approximate analytical methods, finite element method (FEM), finite element alternating, weight function, photo elasticity and fatigue tests. In this paper the analytic/numerical methods and procedures were used to obtain SIF, and predict the fatigue crack growth life for cracks at attachment lugs. Single through crack in the attachment lug analysis is considered. For this purpose analytic expressions are evaluated for SIF of cracked lug structures. For validation of the analytic stress intensity factors of cracked lugs, FEM with singular finite elements is used. Good agreement between computation and experimental results for fatigue life of aircraft cracked lugs was obtained. To determine crack trajectory of cracked structural components under mixed modes conventional singular finite elements and X-FEM are used. PB - Assoc Mechanical Engineers Technicians Slovenia, Ljubljana T2 - Strojniski Vestnik-Journal of Mechanical Engineering T1 - Fatigue Life Estimation of Notched Structural Components EP - 852 IS - 12 SP - 846 VL - 56 UR - https://hdl.handle.net/21.15107/rcub_machinery_1069 ER -
@article{ author = "Stamenković, Dragi and Maksimović, Katarina and Nikolić-Stanojević, Vera and Maksimović, Stevan M. and Stupar, Slobodan and Vasović, Ivana", year = "2010", abstract = "This work considers the analytical/numerical methods and procedures for obtaining the stress intensity factors and for predicting the fatigue crack growth life of notched structural components. Many efforts have been made during the past two decades to evaluate the stress intensity factor for corner cracks and for through cracks emanating from fastener holes. A variety of methods have been used to estimate the stress intensity factor (SIF), values, such as approximate analytical methods, finite element method (FEM), finite element alternating, weight function, photo elasticity and fatigue tests. In this paper the analytic/numerical methods and procedures were used to obtain SIF, and predict the fatigue crack growth life for cracks at attachment lugs. Single through crack in the attachment lug analysis is considered. For this purpose analytic expressions are evaluated for SIF of cracked lug structures. For validation of the analytic stress intensity factors of cracked lugs, FEM with singular finite elements is used. Good agreement between computation and experimental results for fatigue life of aircraft cracked lugs was obtained. To determine crack trajectory of cracked structural components under mixed modes conventional singular finite elements and X-FEM are used.", publisher = "Assoc Mechanical Engineers Technicians Slovenia, Ljubljana", journal = "Strojniski Vestnik-Journal of Mechanical Engineering", title = "Fatigue Life Estimation of Notched Structural Components", pages = "852-846", number = "12", volume = "56", url = "https://hdl.handle.net/21.15107/rcub_machinery_1069" }
Stamenković, D., Maksimović, K., Nikolić-Stanojević, V., Maksimović, S. M., Stupar, S.,& Vasović, I.. (2010). Fatigue Life Estimation of Notched Structural Components. in Strojniski Vestnik-Journal of Mechanical Engineering Assoc Mechanical Engineers Technicians Slovenia, Ljubljana., 56(12), 846-852. https://hdl.handle.net/21.15107/rcub_machinery_1069
Stamenković D, Maksimović K, Nikolić-Stanojević V, Maksimović SM, Stupar S, Vasović I. Fatigue Life Estimation of Notched Structural Components. in Strojniski Vestnik-Journal of Mechanical Engineering. 2010;56(12):846-852. https://hdl.handle.net/21.15107/rcub_machinery_1069 .
Stamenković, Dragi, Maksimović, Katarina, Nikolić-Stanojević, Vera, Maksimović, Stevan M., Stupar, Slobodan, Vasović, Ivana, "Fatigue Life Estimation of Notched Structural Components" in Strojniski Vestnik-Journal of Mechanical Engineering, 56, no. 12 (2010):846-852, https://hdl.handle.net/21.15107/rcub_machinery_1069 .