The article presents the results of numerical studies of the stress-strain state of elastic rods of variable cross-section and mass, taking into account the elastic fixing of the ends for the cradle suspension unit of the electric locomotive (for example, the VL-80s electric locomotive) with a harmonic external influence that occurs when the electric locomotive moves along a path with periodic irregularities on straight sections and in curves, an algorithm and a program for the MathCAD 15 programming environment were developed.
1. Spiryagin, M. & Cole C. & Sun, Y.Q. & McClanachan, M. & Spiryagin, V. & McSweeney, T. Design and Simulation of Rail Vehicles. Ground Vehicle Engineering series. 2014. CRC Press. - 337 p. 2. Popp, K. & Schiehlen, W. System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade. 2013. Springer Science and Business Media. 488 p. 3. Wang, K. & Huang, C. & Zhai, W. & Liu, P. & Wang, S. Progress on wheel-rail dynamic performance of railway curve negotiation. Journal of Traffic and Transportation Engineering. Vol. 1. No. 3. 2014. P. 209-220. 4. Birukov, I.S. & Savos’kin, A.N. Mehanic System of Railway Rolling Stock: A Textbook. Moscow: Transport. 1991. - 352 p. 5. G. A. Khromova, A. P. Kulakhmetov, I. I. Kolybelkin, Cradle suspension unit of the body to the bogie of the undercarriage of a railway vehicle. Patent of the Republic of Uzbekistan No. IAP 04469. Publ. 02/29/2012, Bul. No. 2. 6. Khromova G.A., Radjibaev D.O., Khromov S.A., Kamalov I.S. Modernization of the cradle suspension unit for the VL-80s electric locomotive // Journal "Bulletin of TashIIT", TashIIT, 2020, No. 3, pp. 67-80. 7. G. Khromova, M. Makhamadalieva, S. Khromov, Generalized dynamic model of hydrodynamic vibration dampener subject to viscous damping //E3S Web of Conferences. – EDP Sciences, 2021. – V. 264. – P. 05029. https://doi.org/10.1051/e3sconf/202126405029. 8. Khromova G.A., A.P. Kulakhmetov, Investigation of vibrations of the VL-80s electric locomotive during its movement in curved sections of the track // Journal "Bulletin of TashIITa", 2009, No. 6, pp. 28 – 32. 9. Khromova G.A., A.P. Kulakhmetov, Investigation of oscillations of an ideal locomotive carriage in the horizontal plane during its movement in curved sections of the track. // Journal "Bulletin of KazATiK", Almaty, KazAT and K, 2008, No. 3 (52), pp. 14 – 19. 10. G. A. Khromova, A. P. Kulakhmetov, Modernization of the suspension structure of the VL-80s electric locomotive with spring-shock-absorbing elastic elements, // Proceedings of the 5th International Conference "Safety of Train Traffic". –Moscow: MIIT, November 17-20, 2004, P. IY-95-96.
Khromova, G.A.; Kamalov, I.S.; and Маkhаmаdаlieva, M.A.
"NUMERICAL STUDIES ON THE MODEL OF THE MODERNIZED UNIT OF THE CRADLE SUSPENSION OF THE VL-80S ELECTRIC CARRIER WHILE MOVING IN CURVES,"
The Scientific Journal of Vehicles and Roads: Vol. 2021:
2, Article 8.
Available at: https://uzjournals.edu.uz/tayi/vol2021/iss2/8