Numerical and Experimental Dynamic Analysis of IC Engine Test Beds Equipped with Highly Flexible Couplings

Table 8

Comparison of resonance frequencies in (a) experimental measurements, (b) FE model, and (c) LP model for the 70 Sh rubber element configuration with reference to .

(a) Experimental resonances

Mode 1	6%–8%
Mode 2	24%–30%

(b) FE results

Mode 1	5.1% [1st TG]
Mode 2	13% [1st LC]
Mode 3	25.7% [2nd TG]
Mode 4	37.2% [2nd LC]
Mode 5	60.2% [3rd TG]
Mode 6	60.4% [3rd LC]
Mode 7	83.6% [1st AF]
Mode 8	85.1% [1st BS]

(c) LP results

Mode 1	4.5%
Mode 2	24.9%
Mode 3	58.2%