Abstract
This paper deals with the response behavior of the multi connected vehicles subjected to seismic excitation. The multi connected vehicles are modeled by a set of vehicle models that have 21 degree of freedom. The running road is modeled by mass, spring and damper system that have 1 degree of freedom in three directions. One of the problems with multi connected vehicles is that they have a large degree of freedom, and the calculation cost considerably increase. Therefore, we made the reduced order model by using sparse estimation. We investigated the influence of vehicle characteristics on reduced order model. As a result, the number of modes required for the reduced order model to reproduce the original model is less when the motor car is not considered than when it is considered. In addition, when considering a model that includes motor car, the reproducibility car by car of the original model is affected by the number of motor cars and their positions.
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More From: The Proceedings of Mechanical Engineering Congress, Japan
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