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原文传递 Development of Collision Dynamics Models to Estimate the Results of Full-Scale Rail Vehicle Impact Tests. Master's thesis.

题名：	Development of Collision Dynamics Models to Estimate the Results of Full-Scale Rail Vehicle Impact Tests. Master's thesis.
作者：	Severson-K.J.
关键词：	Rail-vehicles; Impact-tests; *Collision-research.;Rail-transportation; Railroad-cars; Design-; Crashworthiness-; Occupant-protection; Passenger-transportation; Performance-evaluation.
摘要：	In an effort to study occupant survivability in train collisions, analyses and tests were conducted to understand and improve the crashworthiness of rail vehicles. A collision dynamics model was developed in order to estimate the rigid body motion of rail cars in a collision, which could be used to estimate the likelihood and severity of injuries experienced by occupants in collisions. The collision dynamics model, with input from finite element models, was used to generate accurate results in much less time than the finite element model. The objective of this thesis was to develop a model of a conventional passenger rail car to analyze the crush response and rigid body motion experienced by the car during a collision. The model was used as an analysis tool in coordination with full-scale testing of rail cars to assist in the development of the test requirements, and to estimate the results of the impact tests. The model developed and validated as part of this thesis was based on an existing rail car design. The model will be used in planned follow-on work (out of the scope of this thesis), to evaluate the collision performance of rail cars that will be modified to incorporate crashworthiness features.
报告类型：	科技报告