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How much stock should I put in these simulations
How much stock should I put in these simulations
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Old 14th February 2013, 08:53 PM   #11
wintermute is offline wintermute  Australia
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How much stock should I put in these simulations
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Originally Posted by Bas Horneman View Post
Hi Tony,

The sim with golden ratio height. But centered.

Regards,
Bas
Thanks Bas, certainly smoother than the first one, but not as smooth as the GR one. I've only modelled boxed enclosures, but did find a correlation between the sim and the actual measurements, though in my case the actual was worse (but followed the general trend) than the sim

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Old 14th February 2013, 09:19 PM   #12
Bas Horneman is offline Bas Horneman  Netherlands
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Hi Tony. What to do what to do. Perhaps I should buy a cheap board and cut a few holes and try a couple of positions.

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Old 14th February 2013, 09:35 PM   #13
xrk971 is online now xrk971  United States
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How much stock should I put in these simulations
Foam core board works well for this sort of stuff. Also try isocyanurate home insualtion sheating boards.
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Old 15th February 2013, 07:20 AM   #14
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How much stock should I put in these simulations
I think that is the best approach Bas. and xrk971's suggestion is a great way to achieve it. You are looking for the diffraction effects here so if you do some off axis measurements you should be able to work out what are diffraction effects and what are resonances (thinking that a thin baffle might have more of a resonance problem than a nice solid one).

The thing that can affect things is the drivers natural response, and how that combines with the diffraction effects, in my case it combined to make things worse, but you can potentially try to use (the effects) to your advantage 20/20 hindsight (or the wisdom of prototypin)!!

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