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

Table 5

Comparison of the ultimate bearing capacity and initial stiffness for QY-1.

	Ultimate bearing capacity (kN)	Increase multiple	Initial stiffness (kN/mm)	Increase multiple
Experimental results	52.6	1.00	7.15	1.00
Pure frame in finite element model	36.1	0.69	1.01	0.14
Two-point binding in finite element model	68.8	1.31	6.80	0.95
Surface binding in finite element model	445.2	8.46	43.53	6.09