Research Article
Simulation of a Centrifugal Pump by Using the Harmonic Balance Method
Table 2
The predicted head for different harmonics.
| Calculation methods | HB_1 mode | HB_2 modes | HB_3 modes | Dual time stepping | Experiment |
| Time consuming | 8 h | 12 h | 16 h | ~14 d | — | Average head (m) | 7.517 | 7.570 | 7.694 | 7.748 | 7.75 | Relative error | −3.01% | −2.32% | −0.73% | 0 | — |
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