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Figure15. Wrinkled shape for T1=20N and T2=5N (amplified 10 times; ABAQUS finite element model)

From the same paper as the previous slide.

T1 and T2 are tension forces applied at the corners, the larger force T1 being appled at the corner “O” and its opposite. The normal deflections over the three cross sections A, B, C from test and ABAQUS are shown in the next slide.

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