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How does Simcenter calculate the acoustic results in a 1/3 octave band?

Creator
Creator

Hi everyone

 

I wonder how acoustic results such as radiation power or transmission loss are calculated as a 1/3 octave band.

 

for example....

 

1/3 octave band frequency are

 

Lower   Center  Upper

89.1      100     112

112       125     141

-----------------------------

5623     6300   7079

 

If I calculate the transmission loss as 1/3 octave,

 

does Simcenter calculate all frequency range and  average ??? Or is it calculates only the center frequency?

 

The results for 1/3 octave band and 1/3 center frequency are very similar and I ask your opinion.