Research Article
Application of Base Force Element Method on Complementary Energy Principle to Rock Mechanics Problems
Table 12
Stress
at center of the element at lower right of pillar.
| Meshes | BFEM (kPa) | Q4 model (kPa) | Q4R model (kPa) |
| 20 × 40 | −802.328 | −796.173 | −802.741 | 10 × 40 | −707.932 | −700.016 | −708.582 | 8 × 40 | −675.867 | −666.975 | −676.616 | 6 × 40 | −634.179 | −623.753 | −635.039 |
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