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1. Endurance calculation of welded joints in tubbing erector mechanism using digital methods: (Content №3 2024); ... approaches to determining the influence of loads and experimental methods. In particular, the finite element method (FEM) is used when modeling the stress-strain state in welded joints to identify stress ...; Created on 28 June 2024
2. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation: (Content №3 2024); ... (123), 1-10. https://doi.org/10.1051/e3sconf /201912301033. 13. Orychak, M., Femiak, Y., & Riznychuk, A. (2020). Influence of different reagents on the adhesive properties of grout solutions. Oil&Gas ...; Created on 28 June 2024
3. Mathematical modeling of a magnetic gear for an autonomous wind turbine: (Content №2 2024); ... 23. Ishikawa, S., & Todaka, T. (2020). Transient-operation phenomena of a magnetic reducer analyzed with the time-stepping FEM. 23 rd International Conference on Electrical Machines and Systems, ...; Created on 01 May 2024
4. Improvement of the methodology for calculating the expected drilling speed with PDC chisels: (Content №1 2024); ... compatible use of jet and plunger pump with chrome parts in oil well. Energies, 15(1), 83. https://doi.org/10.3390/en15010083. 6. Femyak, Ya. M., Riznychuk, A. I., Fedoriv, V. V., Charkovskyi, V. M., ...; Created on 29 February 2024
5. The choice of optimal methods for the development of water wells in the conditions of the Tonirekshin field (Kazakhstan): (Content №1 2024); ... Reduction of Energy Consumption for Water Wells Rehabilitation. Technology Optimization. Water, 6(12), 444. MDPI AG. https://doi.org/10.3390/fluids6120444. 8. Femyak, Y. M., Chudyk, I. I., Sudakov, A. K., ...; Created on 29 February 2024
6. Determining technological properties of drilling muds: (Content №2 2023); ... of Ukraine, 3, 22-27. ISSN 2518-1122. 17. Orychak, M., Femiak, Y., & Riznychuk, A. (2020). Influence of different reagents on the adhesive properties of grout solutions. Oil&Gas Industry of Ukraine, ...; Created on 28 April 2023
7. Research on the impact of cognitive biases of workers on the subjective assessment of occupational risk: (Content №1 2023); ... concern was the intensity and monotony of work, in contrast to females who are concerned about the pace of work and uncomfortable posture. It is determined that employees perceive occupational risk more ...; Created on 25 February 2023
8. Analysis of surface settlements induced by tunnel excavation with EPB-TBM: (Content №1 2023); ... empirical, analytical, and numerical (FEM) methods. Secondly, a set of numerical analyses was carried out to inspect the evolution of surface settlement as the TBM progresses. Finally, a parametric study ...; Created on 25 February 2023
9. Modeling of drilling water supply wells with airlift reverse flush agent circulation: (Content №1 2023); ... 9. Femyak, Ya. M., Femiak, V. Ya., Kovbsiuk, I. M., Martsynkiv, O. B., & Vytvytskyy, I. I. (2019). Evaluation of the influence of geological-technical factors on the durability of casing columns ...; Created on 25 February 2023
10. The influence of fissured material on tunnel stability (a numerical study): (Content №6 2022); ... and Geological Engineering, 32, 43-58. 13. Vermeer, P.A., Bonnier, P.G., & Mller, S.C. (2002). On a smart use of 3D-FEM in tunnelling. In International symposium; 8th, Numerical models in geomechanics; ...; Created on 25 December 2022
11. Mathematical modeling the quarry wall stability under conditions of heavily jointed rocks: (Content №6 2022); ... 1. Durn, M., Godoy, E., RomnCatafau, E., & Toledo, P.A. (2022). Open-pit slope design using a DTN-FEM: Parameter space exploration. International Journal of Rock Mechanics and Mining Sciences, 149, ...; Created on 25 December 2022
12. Convergence trends in the “economy – education – digitalization – national security” chain: (Content №6 2021); ... Sumy State University, Sumy, Ukraine, e-mail: tavasilyeva@fem.sumdu.edu.ua повний текст / full article Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2021, (6): 177 - 183 https://doi.org/10.33271/nvngu/2021-6/177 ...; Created on 29 December 2021
13. Sand-sodium-silicate mixtures structured in steam-microwave environment effective values of thermo-physical properties: (Content №6 2021); ... Science: Materials International, 26(4), 391-397. https://doi.org/10.1016/j.pnsc.2016.08.002. 6. Brionne, G., Loucif, A., Zhang, C.P., Lapierre-Boire, L.P., & Jahazi, M. (2018). 3D FEM simulation of ...; Created on 29 December 2021
14. Comparative analysis of public management models: (Content №4 2021); ... public administration, traditional public administration, new public management, new public governance, paradigm References. 1. Aderibigbe, A.M., & Oluwafemi, J. (2014). Towards A Theoretical Definition ...; Created on 23 August 2021
15. New methods for preventing crumbling and collapse of the borehole walls: (Content №4 2021); Authors: I.I.Chudyk, orcid.org/0000-0002-7402-6962, Ivano-Frankivsk National Technical University of Oil and Gas, Ivano-Frankivsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Ya.M.Femiak, orcid.org/0000-0003-4445-6731, ...; Created on 23 August 2021
16. An integrated method for evaluating the quality of education and university performance: (Content №3 2021); ... Sumy, Ukraine, e-mail: tavasilyeva@fem.sumdu.edu.ua S.V.Lyeonov, orcid.org/0000-0001-5639-3008, Sumy State University, Sumy, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. повний текст / full article Naukovyi ...; Created on 23 June 2021
17. The parameters of burden flow from the bins of bell-less top charging system of blast furnaces: (Contens №3 2020); ... Powder Technology, 335. https://doi.org/10.1016/j.powtec.2018.03.041. 10. Qi Luo, Qijun Zheng, & Aibing Yu (2017). From Micro to Macro: A Comparative Study of DEM and FEM in Modeling Hopper Flow. ...; Created on 02 July 2020
18. Back-analysis study on slope instability in an open pit mine (Algeria): (Contens №2 2020); ... Findings. This paper considers the application of three methods: limit equilibrium method (LEM), finite element method (FEM) and finite difference method (FDM) to perform back analysis and find out the layer of slope failure in an open pit mine. ...; Created on 10 May 2020
19. Prediction of transient processes in oil pipelines with the purpose of emergency incident prevention: (Content №1 2020); ... 10. Levold, E., Restelli, A., Marchionni, L., Vitali, L., Molinari, C., & Ozkan, I. F. (2015). Strength and Deformation Capacity of Corroded Pipe: Laboratory Tests and FEM Analyses. The International ...; Created on 10 March 2020
20. Modeling of the heat transfer process taking into account bursting expansion of fire-retardant coating: (Content №1 2020); ... FEM in underground tunnels. Building and Environment, 143(1), 717-726. 10. Özişik, M. N., Orlande, H. R. B., Colaço, M. J., & Cotta, R. M. (2017). Finite Difference Methods in Heat Transfer ...; Created on 10 March 2020

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