Improvement of upper bundling of side wall of gondola cars of 12-9745 model.

The article shows the peculiarities and results of optimization designing of upper bundling of side walls of one of the most widespread models of gondola cars of native production – models 12-9745 to reduce materials consumption during fulfillment of conditions of strength and exploitation reliability. Suggested aspect of designing may be used for other elements of gondola car bodies and other means of transport machine building. [ABSTRACT FROM AUTHOR]