Re: [ATM] Pressure per square mm

[Dale Eason <atmpob@yahoo.com>]

Here is a polishing simulator site I found.  You all
may find it interesting.  I have met the author at a
club function.  He works a short distance from where I
live.

http://hometown.aol.com/stressedglass/polishing_model.html


Dale Eason


--- James Lerch <jlerch1@tampabay.rr.com> wrote:
> Greetings All,
> 
> I'm still working on the erosion simulator.  I need
> to solve for the pressure
> (aka normal force) for each square millimeter of the
> contact area, and I'm not
> sure how to do that, nor what 'topic' I'd search for
> information on the
> procedure. :0
> 
> Currently I'm applying the KISS principal, with the
> following assumptions: (all
> of which can be addressed as progress is made)
> 
> 1) the contact area is flat
> 2) the tool and mirror won't bend / flex
> 3) the tool and mirror have uniform density
> 4) the slurry is a uniform thickness
> 
> I've created a picture that represents the problem I
> am trying to solve:
>
http://lerch.no-ip.com/atm/Pressure_per_unit_area.gif
> 
> The image shows two situations.  The top situation
> has a rather straight forward
> solution, but things get complicated for the bottom
> situation.  Common sense
> says that the right side of the contact area should
> have a higher pressure/mm
> than the left side of the contact area.  I just
> don't know how to calculate the
> distribution..
> 
> Take Care,
> James Lerch
> http://lerch.no-ip.com/atm (My telescope
> construction,testing, and coating site)
> 
> "Anything that can happen, will happen" -Stephen
> Pollock from:
> "Particle Physics for Non-Physicists: A Tour of the
> Microcosmos"
> 
> " Press on: nothing in the world can take the place
> of perseverance.
> Talent will not; nothing is more common than
> unsuccessful men with talent.
> Genius will not; unrewarded genius is almost a
> proverb.
> Education will not; the world is full of educated
> derelicts.
> Persistence and determination alone are omnipotent.
> "
>                                                     
>       Calvin Coolidge
> 
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