A Hybrid Lumped Parameters/Finite Element/Boundary Element Model to Predict the Vibroacoustic Characteristics of an Axial Piston Pump

Table 2

Comparisons of simulated and measured natural frequencies.

Number	Frequency (Hz)		Error (%)
	Simulated	Measured
1	998.5	960.6	−3.9
2	1042.1	1034.2	−0.8
3	1680.5	1747.4	3.8
4	2118.5	2098.4	−1.0
5	2779.4	2910.2	4.5