Numerical prediction of fatigue stress concentration factor for bar with groove

Bambang Irawan, Gatot Prayogo

Research output: Contribution to journalConference articlepeer-review


Fatigue failure is one of the failure modes that commonly should be considered in machine component design. This study aims to estimate the fatigue stress concentration factor of 6061 aluminum alloy for a solid bar with various grooves numerically. A solid aluminum bar with a diameter of 8 mm and various groove radii between 1.00 mm to 8.00 mm was used during the simulation performed by commercial software. A completely rotating bending fatigue loading (R=-1) was carried out during simulation by applying various alternating stresses. The simulation results show that the fatigue stress concentration factor decreases as the ratio of groove radius to the bottom of the groove (r/d) increase. A decrease in the ratio of large bar diameter to small bar diameter (D/d) also causes a reduction in the fatigue stress concentration factor.

Original languageEnglish
Article number040009
JournalAIP Conference Proceedings
Issue number1
Publication statusPublished - 27 Oct 2023
EventInternational Symposium on Advances in Mechanical Engineering 2021, ISAIME 2021 - Virtual, Online, Indonesia
Duration: 12 Oct 202113 Oct 2021


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