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.

The structure characteristics and technology parameters of the driving bridge shell in the light truck are introduced.

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.