Model type | Total element | Total nodes | Ultimate load (KN) | % Difference from experiment | % Difference from Theory | Average difference |
Experiment | - | - | 25.63 | 0 | 2.3% | 2.3% |
Theoretical data | - | - | 26.23 | −2.2% | 0 | -2.2% |
C3D8R-1 | 2382 | 3361 | 29.35 | −12.6% | −10.6% | −11.6% |
C3D8R-2 | 12184 | 17816 | 29.12 | −11.98% | −9.9% | −10.94% |
C3D8R-3 | 18954 | 20472 | 28.96 | −11.49% | −9.4% | −10.46% |
C3D8R-4 | 33624 | 43615 | 23.44 | 9.3% | 11.90% | 10.6% |
C3D8R-5 | 62307 | 83392 | 23.62 | 8.5% | 11.04% | 9.77% |
C3D8R-6 | 153824 | 185995 | 23.3 | 9.8% | 12.5% | 11.15% |