Vibroacoustic Analysis of a Refrigerator Freezer Cabinet Coupled with an Air Duct

Table 1

Comparison of the analytical and numerical natural frequencies.

Mode (#)	Theory (Hz)	FE model (Hz)	Difference (%)
1	255.2	259.4	1.6
2	373.6	383.7	2.5
3	381.7	384.5	0.7
4	448.4	463.2	3.2
5	457.9	463.9	1.3
6	509.5	518.9	1.8
7	533.0	543.2	1.9
8	587.4	602.0	2.4
9	627.0	645.4	2.5
10	635.1	645.8	1.7