For studying longitudinal force bearing capacity of slave locomotives in heavy haul trains. nonlinear draft gear models and detailed coupler models were developed after the analysis of working mechanism of 13A/QKX100 coupler/draft gear systems. By utilizing a train model consisted of one HXD1 8-axle locomotive and two C80 freight wagons. dynamic behavior of coupler systems bearing lon... https://thesneakcitys.shop/product-category/kidss-shoes/