Research Article

Fast Stiffness Matrix Calculation for Nonlinear Finite Element Method

Table 10

Computation times (s) of system solutions (Pedersen: Pedersen’s nonlinear FEM; Proposed: proposed nonlinear FEM; and Speed-up: relative performance comparison of the proposed nonlinear FEM method with Pedersen’s nonlinear FEM method using single thread).

Exp. Elements Pedersen Proposed Speed-up

1st 6 3.0144 2.4427 123.4044
2nd 216 192.5288 159.6241 120.6139
3rd 224 586.2708 612.5911 95.7034
4th 1580 2840.7558 2401.0994 118.3106