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From: RETRACTED ARTICLE: A limit analysis of Mindlin plates using the cell-based smoothed triangular element CS-MIN3 and second-order cone programming (SOCP)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