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This is Fig. 29 from the 1995 p2stags paper. This slide shows results from two successive STAGS nonlinear static equilibrium runs.
In a load-controlled experiment the “mode jump” referred to in the previous slide caption would occur between the states 28(c) and 28(d) because the applied load at state 28(d) is lower than that at state 28(c).
The deformed states of the panel are displayed in the previous and next slide. The load factor, PA = 1.0 is the design load.
Static nonlinear equilibrium solutions were found up to PA = 0.943. The design load factor corresponds to PA = 1.0.
(from Computers & Structures, Vol. 55, No. 5, pp. 819 – 856, 1995)
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