Application of Base Force Element Method on Complementary Energy Principle to Rock Mechanics Problems

Table 4

Stress at center of the elements at bottom of the pillar.

Meshes	BFEM (kPa)	Q4 model (kPa)	Q4R model (kPa)
10 × 10	−244.194	−242.945	−244.349
10 × 20	−262.976	−260.116	−263.387
10 × 30	−272.102	−268.002	−272.552