First carry on the self libration analysis to the bridge, use spatial four nodes elastic shell element SHELL63 and spatial two nodes elastic beam element BEAM44 to model the bridge.
首先对大桥进行自振特性分析，分别采用空间四节点弹性壳单元SHELL63和空间二节点弹性梁单元BEAM 44单元进行建模。
The structure characteristics and technology parameters of the driving bridge shell in the light truck are introduced.
介绍了轻型汽车驱动桥桥壳结构特点、工艺性能。
Also in the material promotion transporting, the elevator installment, the billboard installment, the ships builds suitably, large-scale project and so on shell of tank, bridge, dam, chimney works.
也可适用于物料提升搬运、电梯安装，广告牌安装，船舶修造，大型罐体、桥梁、水坝、烟囱等工程的作业。
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