Numerical Investigation of the FSI Characteristics in a Tubular Pump

Table 2

Main frequency and amplitude of maximum effective stress of the blades.

Frequency (Hz)	0.25	1.75	3.5	7	8.75
Amplitude (MPa)	0.19	0.43	0.25	0.17	0.12
Multiple of the rotating frequency 1.75 Hz	Low frequency	1	2	4	5