Comments (3)
Here is a better example to demonstrate the problem.
"The waves shown above clearly have a longer wavelength along the outside channel than the inner ones. That means that either the frequency is changing or the speed - neither of which is possible."
"The path lengths should be equal and if the frequency and speed are constant then the phases of the waves have to be in synch. They are not."
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Source of the model and comments: https://www.diyaudio.com/forums/multi-way/338806-acoustic-horn-design-easy-ath4-post6787506.html and following posts
from ripplegl.
The first one just seems like there are different standing waves in the various sections. The second one certainly seems incorrect. I don't think I'm simulating angled walls properly with acoustic waves, but I'm not sure how I would fix it.
from ripplegl.
Here is another strange glitch
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from ripplegl.
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