Simulation Stats

Test Case Name
propeller-DJI-9450-2M
Number of Points
1
Number of Observers
7
Acoustic Analogy
FfowcsWilliamsHawkings
Analogy Formulation
Farassat1A
Acoustic Source
CFDSimulation
Number Of Source Surfaces
1
Sampling Frequency [ Hz ]
36000
Nyquist Frequency [ Hz ]
18000

Observer summary

ID
Observer Name
Position
Overall Sound Pressure Level [ dB ]
1
observer1
(0.2 0.2 0)
35.1769
2
observer2
(0.5 0.5 0)
29.091
3
observer3
(1 1 0)
26.2406
4
observer4
(1.5 0.767 0)
25.2275
5
observer5
(0 1.295 0.77)
27.765
6
observer6
(1.1716 0.2601 0.5585)
26.9561
7
observer7
(1 1 1)
26.2287

Unfiltered Signal per Observer

Filtered Signal per Observer

Power Spectral Density per Observer

Row Nr.
Frequency [ Hz ]
Power Spectral Density [ dB/Hz ]
1
200.003
70.8647
2
400.005
65.2444
3
600.008
55.2696
4
804.011
44.9687
5
292.004
43.7247
6
1128.02
35.0532
7
496.007
34.3042

Sound Pressure Level per Observer

Row Nr.
Frequency [ Hz ]
Sound pressure level [ dB ]
1
200.003
45.8968
2
400.005
43.0867
3
600.008
38.0993
4
804.011
32.9488
5
292.004
32.3268
6
1128.02
27.9911
7
496.007
27.6166