3D Gradual Material Degradation Model for Progressive Damage Analyses of Unidirectional Composite Materials

Table 2

Experimental and numerical ultimate loads of composite bolted joints.

Experimental ultimate load/kN	Avg. val./kN	Numerical ultimate load/kN
21.18	20.82	20.50
20.80	SD/kN	Error
20.78	0.35	−1.5%
21.06	/%	/
20.26	1.69	/