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Table 2 Convergence of collapse multipliers of clamped rectangular 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From: RETRACTED ARTICLE: A limit analysis of Mindlin plates using the cell-based smoothed triangular element CS-MIN3 and second-order cone programming (SOCP)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 [33] with 1350 DOFs
  135 273 360 510  
MIN3 62.2853 39.4181 35.883 33.0316 29.88
CS-MIN3 42.2025 33.4743 31.9999 30.7917  
  1. Basic load p = M p /(LH).