该文提出基于组合结构的有限元方法概念，讨论车架组合结构各主要连续体部件之间的物理作用关系及其有限元模型的建模仿真方法。
A concept of FEM for assembled structures is put forward, and then is applied to a model building for vehicle frame with its physical acting relations between major components discussed.
该文提出基于组合结构的有限元方法概念，讨论车架组合结构各主要连续体部件之间的物理作用关系及其有限元模型的建模仿真方法。
A concept of FEM for assembled structures is put forward, and then is applied to a model building for vehicle frame with its physical acting relations between major components discussed.
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