dF = 100 N and convergence test ξ = 1

F (N)

N₁ = N₃ (N)

N₂ (N)

Displacement V₁ (mm)

N˚ of bar-element in the plastic zone

100

29.28

58.57

−0.0084

-

500

146.44

292.89

−0.0418

-

5000

1464.46

2928.93

0.4184

-

20000

5857.86

11,715.72

1.6736

-

23600

6912.28

13,824.55

−1.9749

-

24000

7029.43

14,058.87

−2.0084

-

24100

7085.55

14,078.62

−2.0244

2

24400

7293.92

14,081.67

−2.0840

2

30000

11,183.47

14,138.43

−3.1952

2

34200

14,087.37

14,199.52

−4.3913

1, 2 and 3

34600

14,203.36

14,431.50

−8.9327

1, 2, and 3