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

Table 1

Displacement at the top of the pillar.

Meshes	BFEM model (×10^−2 m)	Q4 model (×10^−2 m)	Q4R model (×10^−2 m)
10 × 10	−1.1939	−1.1917	−1.2048
10 × 20	−1.1940	−1.1931	−1.1964
10 × 30	−1.1940	−1.1934	−1.1940