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Determining for Dynamic Instability Domain of Spatial Frame Structures
Qu Shuying  Qu Naisi
£¨Yantai University, 264005)£¨Dalian University of Technology,116024)
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Abstract:  Considering the damping effect a method for the dynamic stability of large spatial frame structures under vertical cyclic loading is discussed. The numerical results indicate that the method presented in the paper has better precision and can be used in engineering.
Keywords: dynamic stability analysis, cyclic loading, instability domain.

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