Element for Beam Dynamic Analysis Based on Analytical Deflection Trial Function

Table 2

Comparison of different element results (relative error, %).

Beam type	Element number for analytical trial function	Element number for interpolation trial function
	1	1	2	10	20
Cantilever beam		0.4249	−0.0003	−0.0489	−0.0489
Simply supported beam		10.8739	0.2909	−0.1018	−0.1018
One end clamped and another simply supported beam		32.7269	0.8037	−0.1169	−0.1202
Clamped-clamped beam		1.4854	1.4854	−0.1255	−0.1278