Page 132 - The Combined Finite-Discrete Element Method

MUNJIZA-NBS CONTACT DETECTION ALGORITHM IN 2D 115

Packing "C"

S

S

S

S S S

Figure 3.50 Example III, packing C (A. Munjiza and K.R.F. Andrews, International Journal for
Numerical Methods in Engineering, 43/1). (Reproduced by permission of John Wiley & Sons, Ltd).

1 Detection time -- N = 10000 - packing C
Time for 10 loops (s) - (R4600 133.0 MHz) 0.6 Legend

0.8

0.4
Experiment
Approximation

0.2

0
0 20 40 60 80 100 120 140 160 180 200
Spacing (S/D)

Figure 3.51 Example III: total CPU time as a function of packing density for pack C
(A. Munjiza and K.R.F. Andrews, International Journal for Numerical Methods in Engineering,
43/1). (Reproduced by permission of John Wiley & Sons, Ltd).