Research Article

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

Table 6

Comparison of the present results for pinned-fixed square diamond frame loaded in tension, h = 2.8284 m.

U / LW / L
Euler BernoulliTimoshenkoANSYS Euler BernoulliTimoshenkoANSYS

10.13750.14020.13980.11560.11740.1169

20.22800.23190.23020.17150.17390.1729

30.28930.29400.29100.20320.20580.2051

40.33310.33830.33810.22390.22660.2264

50.36610.37160.37150.23880.24170.2418

60.39170.39760.39740.25030.25340.2535

70.41230.41850.41840.25980.26300.2632

80.42920.43570.43550.26800.27120.2714

90.44340.45010.44990.27520.27850.2787

100.45550.46250.46240.28170.28510.2853