Two-Step Unconditionally Stable Noniterative Dissipative Displacement Method for Analysis of Nonlinear Structural Dynamics Problems

Table 1

Maximum percentage errors of the total energy over a time duration of 100 for the hardening spring.

	CQ-2x				KR-				CAA
	0.00	19.88	45.54	77.22	71.63	68.55	60.60	1.31		0.00
	0.09	60.80	87.93	98.24	96.00	95.22	92.97	6.83	0.04
	0.36	79.76	96.07	99.68	99.32	98.25	97.36	15.89	0.17
	1.47	92.13	99.08	99.97	158.39	99.35	99.04	37.14	0.66
	6.06	97.73	99.87	100.00	105670.02	99.74	99.63	400.59	2.62
	9.51	98.60	99.94	100.00		99.81	99.73	700089.87	4.07
	16.77	99.28	99.98	100.00		99.87	99.81	219047.46	7.13