A Simplified Finite Element Model for Modular Steel Structure Building Wallboard through Experimental Research and Finite Element Analysis

Table 6

Comparison of the ultimate bearing capacity and initial stiffness for QY-2.

	Ultimate bearing capacity (kN)	Increase multiple	Initial stiffness (kN/mm)	Increase multiple
Experimental results	65.4	1.00	8.30	1.00
Pure frame in finite element model	28.2	0.43	0.93	0.11
Side contact of bending plate (0.06)	497.8	7.61	26.29	3.17
Side contact of bending plate (0.15)	517.9	7.92	27.16	3.27
Surface binding in finite element model	611.9	9.36	69.89	8.42
50% surface binding in finite element model	462.8	7.08	46.41	6.00
25% surface binding in finite element model	372.5	5.70	42.83	5.59
12.5% surface binding in finite element model	202.3	3.09	25.45	3.07
One-point binding in finite element model	30.7	0.47	1.04	0.13
Two-point binding in finite element model	92.5	1.41	13.81	1.66
Single row node binding in finite element model	330.3	5.05	36.96	4.45
Double-row node binding in finite element model	744.6	11.39	51.36	6.18