为了改进某轻型载货汽车车架的结构，对边梁式车架进行了一定的简化。
For the sake of improving the structure of certain typed light truck frame, certain simplification has been made on side girder typed truck frame.
针对轻型货车在行驶过程中纵梁撕裂的问题，应用有限元分析软件对车架的强度进行了分析，并通过实验的方法证明了计算模型的正确性。
Static strength of the frame side rail was examined by numerical simulation using the FEA code MSC-NASTRAN with results verified by the test.
这种结构能够实现主梁的轻型化，进而减轻下部结构的工程量。
The type of structure can achieve light-duty of girders, thus reduces the engineering work of its substructure.
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