A new mortar formulation for modeling elastomer bedded structures with modal-analysis in 3D

Advanced Modeling and Simulation in Engineering Sciences

Table 5 Eigenfrequencies given in [ H z ] for the new modeling approach along with the deviation in percent from the conforming discretization depicted on the left hand side of Figure 4

	Elast 1		Elast 2		Elast 3		Elast 4		Elast 5
EW	Value	%	Value	%	Value	%	Value	%	Value	%
1	48.664	0.165	47.511	0.082	46.034	0.218	43.206	0.112	38.545	0.490
2	52.678	0.459	51.628	0.325	50.685	0.443	48.997	0.659	45.846	1.262
3	64.315	0.292	61.916	0.231	58.685	0.682	52.891	0.421	46.082	1.083
4	80.059	0.260	78.252	0.585	75.113	1.170	69.159	1.542	61.539	2.763
5	110.912	0.220	105.784	0.317	99.112	0.850	90.606	0.350	84.208	0.243
6	149.371	0.052	141.757	0.127	128.750	1.300	107.303	0.635	89.468	0.355
7	161.365	0.254	155.063	0.259	142.314	1.103	124.127	0.319	109.623	3.814
8	162.967	0.205	157.058	0.737	148.494	1.797	130.530	2.521	111.558	0.036