Defining Physics and Conditions

The physics and conditions are specified as follows:

Select Acoustic in the Model Panel.
Select Ffowcs-Williams Hawkings model from the Analysis Type drop-down list in the Model Tab of Properties Panel.

Figure 11.378 - Selecting FWH model

The boundary conditions are specified as follows:

Select propeller_propeller from the Boundaries list under Volumes in the Geometric Entities Panel.
Select Source from the Acoustic drop-down list in the Model Tab of Properties Panel.

Figure 11.379 - Rotor conditions

´	Note: Save the project file as acoustics_propeller_model_unsteady.spro.