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Table 5 Convergence of collapse multipliers of clamped equilateral triangle plate subjected to uniform pressure versus various DOFs

From: RETRACTED ARTICLE: A limit analysis of Mindlin plates using the cell-based smoothed triangular element CS-MIN3 and second-order cone programming (SOCP)

Method Degrees of freedom Reference solution [83]
  162 273 360 459  
MIN3 15.8781 12.1345 11.1476 10.4487 9.61
CS-MIN3 11.5344 10.6225 10.1818 9.7984  
  1. Basic load p = M p /R 2.