Adaptive, Small-Rotation-Based, Corotational Technique for Analysis of 2D Nonlinear Elastic Frames

Table 1

Comparison of normalized computed horizontal and vertical displacements at the tip of cantilever beam and available analytical solution.

Mesh	𝑢/𝑙	% error	𝑣/𝑙	% error	Maximum relative rotation (deg)
1	−1.0791	2.989	0.9969	65.519	94.538
2	−1.0537	0.562	0.6764	12.314	47.269
3	−1.0492	0.132	0.6197	2.893	23.635
4	−1.0481	0.032	0.6066	0.713	11.817
5	−1.0479	0.008	0.6033	0.177	5.909