PSI - Issue 58

Mirjana Opačić et al. / Procedia Structural Integrity 58 (2024) 87 – 94 M. Opa č i ć et al. / Structural Integrity Procedia 00 (2019) 000–000

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without issues all this time, it can be concluded that the numerical results were sufficiently accurate and close to the real state of the structure. Furthermore, this confirmed that the very detailed results obtained by using modern UT techniques provided a solid and reliable base for numerical calculations, and that this approach can be effectively used in future research as well. In addition, this combined methodology can be validated by using the fracture mechanics approach, for example by determining the failure assessment diagrams for any given defect, which will also be a part of future research on the topic. Acknowledgements This work was supported by the Ministry of Education, Science, and Technological Development of the Republic of Serbia (Contract Nos. 451-03-68/2023-14/200135 and 451-03-68/2023-14/200213). References Aranđelović, M, Jeremić, L, Đorđević, B, Sedmak, SA, Opačić, M., 2021. Integrity Assessment of Ammonia Storage Tank by Non-Destructive Testing. Structural Integrity and Life 21(3), 295–300. Aranđelović, M., Sedmak, S., Jovičić, R., Kozak, D:, Đorđević, B., 2021. Numerical simulation of crack growth in a welded joint with defects. Procedia Structural Integrity 33, 850 – 857. Doerk, O., Fricke, W., Weissenborn, C., 2003. Comparison of different calculation methods for structural stresses at welded joints. International Journal of Fatigue 25(5), 359-369. Jeremić L., Sedmak A., Milovanović N., Milošević N., Sedmak S., 2021. Assessment of integrity of pressure vessels for compressed air. Structural Integrity and Life 21(1), 3-6. Jeremić L., Sedmak A., Petrovski B., Đorđević B., Sedmak S., 2020. Structural integrity assessment of welded pipeline designed with reduced safety. Tehnicki Vjesnik 27(5), 1461-1466. Jovičić, R., Sedmak, S., Tatić, U., Lukić, U., Walid, M., 2015. Stress state around imperfections in welded joints. Structural Integrity and Life 15(1), 27–29. Kirin, S., Sedmak, A., Zaidi, R., Grbović, A., Šarkočević, Ž., 2020. Comparison of experimental, numerical, and analytical risk assessment of oil drilling rig welded pipe based on fracture mechanics parameters. Engineering Failure Analysis 114, 104600. Lostado Lorza R., Corral Bobadilla M., Martínez Calvo M.Á., Villanueva Roldán P.M., 2017. Residual Stresses with Time-Independent Cyclic Plasticity in Finite Element Analysis of Welded Joints. Metals 7(4), 136. Milošević, N., Sedmak, A., Bakić, G., Lazić, V., Milošević, M., Mladenović, G., Maslarević, A., 2021. Determination of the actual stress–strain diagram for undermatching welded joint using DIC and FEM. Materials 14, 1-14. Sedmak S., Arsić M., Bajić D., Mladenović M., Savić Z., 2015. Analysis of causes of degradation of parent material and weld metal of breeches pipe at hydro power plant 'Perućica'. Structural Integrity and Life 15(3), 147-151. Sinclair, A.N., Fortin, J., Shakibi, B., Honarvar, F., Jastrzebski, M., Moles, M.D.C., 2010. Enhancement of ultrasonic images for sizing of defects by time-of-flight diffraction. NDT & E International 43(3), 258-264. Taheri H., Hassen A.A., 2019. Nondestructive Ultrasonic Inspection of Composite Materials: A Comparative Advantage of Phased Array Ultrasonic. Applied Sciences 9(8), 1628. Vučetić, T., Petrovski, B., Marković, Z., Jeremić, L., Milošević, N., Sedmak, A., Milovanović, N., 2022. Stiffener as a special design solution for pressure vessel repair. Structural Integrity and Life 22(2), 263-266.

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