总之，文章比较系统的阐述了基于多体动力学和有限元分析研究客车车身骨架结构疲劳特性的基本思路。
In short the article gives a systemic basic researching idea of fatigue characteristics of the bus body structure based on multi-body dynamics and finite element.
客车车身多数具有明显的骨架，而轿车车身和货车驾驶室则没有明显的骨架。
A clear majority of bus body skeleton, and the car body and truck cab frame is not obvious.
采用该方法对某大型客车车身右侧围骨架进行力流分析，提出了结构改进意见。
The right side-frame of a bus is analyzed by load path analysis and some suggestions to improve structure are also proposed.
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