Infinite Element Static-Dynamic Unified Artificial Boundary

Table 3

Numerical displacements of different boundary methods and their relative errors.

Observation point	D		E		F		G
	(m)	Error (%)	(m)	Error (%)	(m)	Error (%)	(m)	Error (%)
Theory resolution	0.0796	0.00	0.0398	0.00	0.0265	0.00	0.0199	0.00
Numerical solution of Method 1	0.7176	801	0.2550	540	0.1187	347	0.0393	97
Numerical solution of Method 2	0.7217	806	0.2592	551	0.1229	363	0.0436	119
Numerical solution of Method 3	0.6221	681	0.1562	292	0.0233	−12	0.0191	−4