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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: Why constrained layer platforms work posted by DSK on September 25, 2001 at 17:14:28:
My understanding is that the basic idea is for the lossy inner layer to dissipate the vibrational energy. The relatively massive and rigid outer layers essentially force (i.e., "constrain") the mechanical energy to pass through the lossy inner layer.There are two ways the inner layer can dissipate the energy:
a. Frictional damping loss, such as grains of sand rubbing against each other.
b. Viscous damping loss (the mechanical analog of electrical resistance). Typical damping materials include rubber and other elastomers and non-rigid springy foams. Two low-cost materials which I've used successfully for audio damping are ordinary heavy-weight roofing paper (the black stuff that comes in large rolls) and Armstrong self-stick vinyl flooring tiles (but these are sticky only on one side). Neat tweaking materials readily available at your local home supply store.
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Follow Ups
- Re: Why constrained layer platforms work - Charlie S in Maryland 17:57:43 09/25/01 (0)
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