Temat: szyna - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of the wheel and rail frictionless normal contact considering material parameters
Autorzy:: Ozdemir, Y.
Voltr, P.
Powiązania:: https://bibliotekanauki.pl/articles/123015.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: wheel-rail contact
railway
normal contact
styk koło-szyna
kolej
analiza naprężeń kontaktowych
Opis:: Wheel and rail contact is a transport application of contact mechanics. Outputs of the contact interface are investigated in various perspectives. Examinations of the inputs are generally ignored, but there are assumptions that include material parameters. This study examines the material inputs and assumptions of the previous wheel and rail contact analyses. This study covers the comparison of different elastic material parameters and the effects of the elastic wheel assumption.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2016, 15, 2; 95-103
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Solving a system of nonlinear equations with the use of optimization methods in problems related to the wheel-rail contact
Autorzy:: Jureczko, M.
Duda, S.
Powiązania:: https://bibliotekanauki.pl/articles/122469.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: wheel-rail contact
system of nonlinear equations
Newton's method
trust region method
Levenberg-Marquardt method
damped Newton’s method
styk koło-szyna
układ równań nieliniowych
metoda Newtona
metoda Levenberg-Marquardt
Opis:: The article presents the methods for defining the geometry of the contact surface between a rigid wheel and a rigid rail. The calculation model that has been developed allowed for any arrangement of the wheel in relation to the rail. This allowed for the creation of a system of nonlinear equations, the solution of which allows one to determine the presumable wheel-rail contact points. The search for the solution of the system of strongly nonlinear equations was conducted using a few optimization methods. This allowed one to study both the selection of the starting point and the convergence of the method.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2016, 15, 2; 53-64
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

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