Re: [ATM] Crazy simple mirror cell idea

["Robert Houdart" <robert.houdart@cruxis.be>]

Steve,

> This seems like a good problem for FEM simulation.  Is your model
> up to doing a continuous back support?  It would be nice to get an
> answer for this question once and for all.  It seems like the
> variables would be 1) the irregularity of the padding, and 2) the
> springiness of the pad, and 3) the thickness of the pad. It would
> probably be OK to assume a perfectly flat mirror back and a pad
> of uniform springiness, and model all the irregularities in the
> surface of the pad.

Yes, this could be modeled. The most difficult part would be to decide
on a realistic function for the pad thickness irregularity - probably
including some random behavior. I haven't got a clue of how this could
be characterized...

The analysis will probably yield quite good results - certainly for a
relatively thick 14" x 1.75" mirror. The outcome will depend largely on
the amount of irregularity you choose for the support pad.

Robert

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