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Simulation

This section explains the settings to run the VDVP pump simulation.

Transient simulation

1. Click Simulation Panel.
2. Define Number of Iterations and Result Saving Frequency to 50 and 280 respectively. The Number of Revolutions, Simulation Time (Duration) and the Number of Time Steps are preset by the Vane module (see, Figure 6.280).
3. After you save the project, click Start to run the simulation.
4. The result files are saved as .sres in the working folder (Example : "VDVP_pump_280.sres"). The number of result files depends on the Result Saving Frequency.

Note: The Result Saving Frequency option in the Simulation Panel is set to a small value (say 5 or 10) before running the simulation to obtain better animations.

The residuals are displayed under the Residual Tab in the Plot Panel (see, Figure 6.281).

Figure 6.280 - Simulation settings

Figure 6.281 - Residuals - VDVP

 

´	Note:  The default Converge Criterion is 0.1 for Transient simulations. When the residuals for all the variables drop by one order or the maximum Number of Iterations is reached, the calculation proceeds to the next time-step.