A Corotational Formulation Based on Hamilton’s Principle for Geometrically Nonlinear Thin and Thick Planar Beams and Frames

Table 2

Displacement errors for cantilever beam subjected to end vertical load, h=0.25m.

	U / L		W / L
	Error Nanakorn and Vu [2]	Error present	Error Nanakorn and Vu [2]	Error present
1	0.00084	0.00045	0.00226	0.00017
2	0.00392	0.00116	0.00598	0.00072
3	0.00685	0.00173	0.00791	0.00134
4	0.00891	0.00217	0.00870	0.00190
5	0.01030	0.00252	0.00900	0.00237
6	0.01124	0.00282	0.00907	0.00279
7	0.01190	0.00307	0.00906	0.00316
8	0.01238	0.00330	0.00901	0.00350
9	0.01273	0.00350	0.00895	0.00123
10	0.01301	0.00369	0.00888	0.00410