Fast Stiffness Matrix Calculation for Nonlinear Finite Element Method

Table 1

The displacements (in m) at nodes 1, 2, 3, and 4 using the linear FEM for the first experiment. The displacements of nodes 5 to 8 for all axes are zero.

Node	Displacement-	Displacement-	Displacement-
1	0.027234	0.011064	−0.289965
2	0.004306	−0.109719	−0.440739
3	−0.066065	−0.056547	−0.343519
4	−0.107536	0.070143	−0.514524