Analysis on the Stability of Single Layer Spherical Lattice Shell

W. J. Su, X. Hai

Abstract


The problem of stability analysis is the most important one in the design of the spherical lattice shell (especially the single-layer lattice shell). Kiewitt lattice shell is one of many kinds that is widely employed in Engineering by us. Based on the stability theory of shell and the analysis using the general finite element software ANSYS, this paper focuses on the studying of how do the three core factors (Geometric nonlinearity, Material nonlinearity and Initial flaw) among many other factors influence the stability of a Kiewitt lattice shell.


Keywords


single layer lattice shell; stability; buckling analysis; geometric nonlinearity; material nonlinearity; initial flaw

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