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Öğe Numerical investigation of fatigue behaviors of non-patched and patched aluminum pipes(Hibetullah KILIÇ, 2021-06-01) Adin, Hamit; Yıldız, Bilal; Adin, Mehmet ŞükrüIn this study, the fatigue behaviors of non-patched and patched aluminum pipes were investigated numerically. The Finite Element Method was used for fatigue analysis in the study. Finite Element Method was implemented with Ansys Workbench (15.0) program. Al 6063 type aluminum pipe, DP-460 type adhesive and [0/90]2 reinforced angled glass-epoxy composite patch material were used in the analyzes. As a result of the numerical study, it was observed that patch size is an effective parameter in fatigue strength and that quarter-circle and semi-circular composite patches increase the fatigue life. It was also observed in the analyzes that the quarter-circle patched aluminum pipes achieved higher fatigue strength.Öğe Numerical analysis of damaged helical gear wheel(Batman Üniversitesi, 2021-06-30) Adin, Hamit; Adin, Mehmet ŞükrüIn the present day, gear wheels are used to transmit mechanical power in land, sea and air vehicles. Damages can sometimes occur in these gear wheels used in machines. In order to prevent these damages, the use and importance of numerical programs increase with the developing technology. Damages that may occur can be determined in advance through these programs. Thus, material selection can be made with cost-effective analysis. In this study, a damaged helical gear, which is frequently used in car engines, was analyzed numerically. In the study, the damaged helical gear was first modeled with the help of Solidworks program and then static stress analysis was performed with the ANSYS Workbench Finite Elements Package program. In the analysis, the properties of the helical gear made of structural steel were used. As a result of the study, it was determined that the helical gear was broken due to exceeding the safety stress limit.
