Mechanics in Engineering ›› 2006, Vol. 28 ›› Issue (4): 0-0.doi: 10.6052/1000-0992-2005-428
• Education Study •
Reticulated shells as
structural members have found wide applications in large
span structures. In this paper, the governing
equations for nonlinear forced vibrations of a double deck
reticulated shallow spherical shell structure is established.
Then, the nonlinear dynamic buckling is considered for a double
deck reticulated shallow spherical shell under immovable clamped boundary
conditions. At the same time, the model of catastrophe of nonlinear vibration
bucking for the double deck reticulated shallow spherical shell is built by
using catastrophe theory. The critical equation about the model of
catastrophe is obtained. Finally, the effects of shell parameters on the
nonlinear vibration buckling are considered.
double deck reticulated shallow spherical shells,
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