Numerical Investigation of the FSI Characteristics in a Tubular Pump

Table 1

First main frequency and amplitude of measure points.

Measure points	Before impeller				Between impeller and guide vanes				Behind water-guide cone
	P11	P12	P13	P14	P21	P22	P23	P24	P31	P32	P33	P34
First main frequency (Hz)	5.25	5.25	5.25	5.25	5.25	5.25	5.25	5.25	1.50	1.50	1.50	1.50
Amplitude (Pa)	3371	3251	2437	1785	2321	2087	1383	1040	754	762	773	781