Determination algorithm of optimal geometrical parameters for components of freight cars on the basis of generalized mathematical models
DOI:
https://doi.org/10.15802/stp2013/19761Keywords:
optimal parameters, components of freight cars, generalized mathematical modelsAbstract
Purpose. Presentation of features and example of the use of the offered determination algorithm of optimum geometrical parameters for the components of freight cars on the basis of the generalized mathematical models, which is realized using computer. Methodology. The developed approach to search for optimal geometrical parameters can be described as the determination of optimal decision of the selected set of possible variants. Findings. The presented application example of the offered algorithm proved its operation capacity and efficiency of use. Originality. The determination procedure of optimal geometrical parameters for freight car components on the basis of the generalized mathematical models was formalized in the paper. Practical value. Practical introduction of the research results for universal open cars allows one to reduce container of their design and accordingly to increase the carrying capacity almost by100 kg with the improvement of strength characteristics. Taking into account the mass of their park this will provide a considerable economic effect when producing and operating. The offered approach is oriented to the distribution of the software packages (for example Microsoft Excel), which are used by technical services of the most enterprises, and does not require additional capital investments (acquisitions of the specialized programs and proper technical staff training). This proves the correctness of the research direction. The offered algorithm can be used for the solution of other optimization tasks on the basis of the generalized mathematical models.
References
Gorobets V.L., Savvin Yu.I. Model vynoslivosti materialov i konstruktsiy s uchetom evolyutsii ikh mekhanicheskikh kharakteristik [Hardness model of materials and structures, taking into account the evolu-tion of their mechanical properties]. Visnyk Dnipropetrovskoho natsionalnoho universytetu zaliznychnoho transportu imeni akademika V. Lazariana [Bulletin of Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan], 2008, issue 21, pp. 7-15.
Gorobets V.L. Otsenka koeffitsientov zapasa vynoslivosti i ekvivalentnykh po razrushayushchey sposobnosti tsiklicheskikh napryazheniy po dannym naturnykh ispytaniy podvizhnogo sostava [Evaluation of safety coefficient for strength and equivalent in destructive power of cyclic stresses according to field tests of the rolling stock]. Visnyk Dnipropetrovskoho natsionalnoho universytetu zaliznychnoho transportu imeni akademika V. Lazariana [Bulletin of Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan], 2003, issue 1, pp. 116-122.
Danko M.I., Lomotko D.V., Kuleshov V.V. Udoskonalennia orhanizatsiino-tekhnolohichnoi modeli vykorystannia vantazhnykh vahoniv riznoi formy vlasnosti na zaliznytsiakh Ukrainy [Improvement of the organizational and technological use model of freight cars of various forms on the railways of Ukraine]. Zbirnyk naukovykh prats Ukrainskoi Derzhavnoi Akademii Zaliznychnoho Transportu [Proc. of Ukrainian State Academy of Railway Transport], Kharkiv, 2012, issue 129, pp. 5-11.
Moroz V.I., Fomin V.V., Fomin O.V. Vyznachennia perspektyvnykh napriamkiv udoskonalennia konstruktsii napivvahoniv vyrobnytstva DP «Ukrspetsvahon» [Determination of the promising direction for improvement of the open car design of SE "Ukrspetsvagon"]. Zbirnyk naukovykh prats Ukrainskoi Derzhavnoi Akademii Zaliznychnoho Transportu [Proc. of Ukrainian State Academy of Railway Transport], Kharkiv, 2008, issue 99, pp. 72-81.
Moroz V.I., Fomin O.V. Modernizatsiia stiiky vertykalnoi stiny bokovoi universalnykh napivvahoniv vitchyznianoho vyrobnytstva [Modernization of the vertical wall stand of the side of the universal open car of domestic production]. Zbirnyk naukovykh prats Ukrainskoi Derzhavnoi Akademii Zaliznychnoho Transportu [Proc. of Ukrainian State Academy of Railway Transport], Kharkiv, 2011, issue 123, pp. 196-201.
Moroz V.I., Fomin O.V. Formalizovane opysannia konstruktsii zaliznychnykh vantazhnykh vahoniv [Formal description for construction of the railway freight cars]. Zbirnyk naukovykh prats Ukrainskoi Derzhavnoi Akademii Zaliznychnoho Transportu [Proc. of Ukrainian State Academy of Railway Transport], Kharkiv, 2009, is-sue 107, pp. 173-179.
Fomin O.V. Vyznachennia perspektyvnykh napriamkiv proektuvannia nesuchykh system u vantazhnomu vahonobuduvanni [Determination of the promising directions for designing of supporting systems in the freight car building]. Skhidno-Yevropeiskyi zhurnal peredovykh tekhnolohii – East European Journal of Advanced Technologies, 2012, no. 3/7 (57), pp. 32-35.
Fomin O.V. Modernizatsiia elementiv stiny bokovoi universalnykh napivvahoniv vitchyznianoho vyrobnytstva [Modernization of the wall elements of the universal open cars side of the domestic production]. Zbirnyk naukovykh prats Donetskoho instytutu zaliznychnoho trtansportu [Proc. of Donetsk Institution of Railway Transport], Donetsk, 2011, issue 26, pp. 111-115.
Fomin O.V. Rozrobka metodyky vprovadzhennia riznykh profiliv v yakosti skladovykh elementiv nesuchykh system vantazhnykh vahoniv [Development of methodology for the implementation of different profiles as the components of supporting systems of freight cars]. Visnyk Natsionalnoho tekhnichnoho universytetu «Kharkivskyi politekhnichnyi instytut» [Bulletin of National Technical University “Kharkiv Polytechnic University”], 2012, issue 26, pp. 29-33.
Fomin O.V. Optymizatsiine proektuvannia elementiv kuzoviv zaliznychnykh napivvahoniv ta orhanizatsiia yikh vyrobnytstva [Optimization design of the body elements of railway open cars and the organization of their production]. Donetsk, DonIZT UkrDAZT Publ., 2013. 251 p.
Box M.J., Davies D., Swann W.H. Non-Linear Optimization Techniques. Edinburg, Oliver and Boyd Publ., 1972. 60 p.
F. Archetti, G. P. Szego, L. C. W. Dixon, E. Spedi-cato, G.P. Szego. Global Optimization, Algorithms Nonlinear Optimization: Theory and Algorithms. Boston, Birkhauser Publ., 1980. 415 p.
K. Roth, H. Franke, R. Simolek. Algorithmischos Auswahlverfahren Zur Konstruktion mit Katalogen. Fein-werktechnik, 1971, no. 75, pp. 337-345.
Downloads
Published
How to Cite
Issue
Section
License
Copyright and Licensing
This journal provides open access to all of its content.
As such, copyright for articles published in this journal is retained by the authors, under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0). The CC BY license permits commercial and non-commercial reuse. Such access is associated with increased readership and increased citation of an author's work. For more information on this approach, see the Public Knowledge Project, the Directory of Open Access Journals, or the Budapest Open Access Initiative.
The CC BY 4.0 license allows users to copy, distribute and adapt the work in any way, provided that they properly point to the author. Therefore, the editorial board of the journal does not prevent from placing published materials in third-party repositories. In order to protect manuscripts from misappropriation by unscrupulous authors, reference should be made to the original version of the work.
