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

Table 1

Comparison of results for cantilever beam subjected to end vertical load, h=0.25m.

	U / L			W / L
	Mattiasson [18]	Nanakorn and Vu [2]	Present	Mattiasson [18]	Nanakorn and Vu [2]	Present
1	0.05643	0.05559	0.05598	0.30172	0.29946	0.30189
2	0.16064	0.15672	0.15948	0.49346	0.48748	0.49418
3	0.25442	0.24757	0.25269	0.60325	0.59534	0.60459
4	0.32894	0.32003	0.32677	0.66996	0.66126	0.67186
5	0.38763	0.37733	0.38511	0.71379	0.70479	0.71616
6	0.43459	0.42335	0.43177	0.74457	0.73550	0.74736
7	0.47293	0.46103	0.46986	0.76737	0.75831	0.77053
8	0.50483	0.49245	0.50153	0.78498	0.77597	0.78848
9	0.53182	0.51909	0.52832	0.79906	0.79011	0.80029
10	0.55500	0.54199	0.55131	0.81061	0.80173	0.81471