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Simulační výpočty dynamických vlastností lokomotivy 744.001 CZ LOKO
Authors: Michálek Tomáš | Zelenka Jaromír
Year: 2013
Type of publication: článek v odborném periodiku
Name of source: Scientific Papers of the University of Pardubice, Series B, The Jan Perner Transport Faculty
Publisher name: Univerzita Pardubice
Place: Pardubice
Page from-to: 55-66
Titles:
Language Name Abstract Keywords
cze Simulační výpočty dynamických vlastností lokomotivy 744.001 CZ LOKO Tento příspěvek se zabývá problematikou verifikace výsledků simulačních výpočtů v oblasti dynamiky kolejových vozidel. Výsledky simulačních výpočtů dynamických vlastností prototypu lokomotivy 744.001 CZ LOKO provedené simulačním nástrojem "SJKV-Lok744" jsou porovnávány s výsledky simulačních výsledků získaných s využitím komerčního simulačního nástroje SIMPACK. simulační výpočty; diesel-elektrická lokomotiva; dynamické vlastnosti kolejových vozidel
eng Simulations of dynamic behaviour of locomotive 744.001 CZ LOKO Nowadays, computer simulations of vehicle run are often used and practically the only possible way how to verify and optimize the dynamic behaviour of a rail vehicle in its design stage. Various simulation tools based on the principle of multi-body simulations can be used for these purposes. However, one of the most significant problems is a credibility of obtained simulation results, i.e. a verification of the used computational models and their validation. This paper deals with verification simulations of dynamic properties of a new diesel-electric locomotive Class 744.0 which was being developed in a cooperation of the locomotive manufacturer CZ LOKO and the Jan Perner Transport Faculty of the University of Pardubice in years 2010 to 2012. In this case, relevant simulations were performed by means of the original software "SJKV" intended for simulations of vehicle run. For purposes of the verification of computational model, results of the simulations of dynamic behaviour of the locomotive prototype performed by means of the original simulation tool "SJKV" were compared with results obtained by means of an analogous model created in the commercial simulation tool SIMPACK. At this comparison, eigenfrequencies vehicle body, guiding behaviour of the locomotive, wheel load changes on twisted track and critical speed of the vehicle were observed. Some results were also compared with results of analytical calculations. computer simulations; diesel-electric locomotive; rail vehicle dynamics

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