From the same paper as the previous 2 images.
See also:
Paik, J.K., Thayamballi, A.K., Ryu, J.Y., Jang, J.H., Seo, J.K., Park, S.W., Seo, S.K., Andrieu, C. and Kim, N.I., 2008. Mechanical collapse testing on aluminum stiffened panels for marine applications. SSC-451, Washington DC: Ship Structure Committee.
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