Physics & Math of Soap Films & Bubbles

AI Thread Summary
The discussion focuses on the physics and mathematics of soap films and bubbles, particularly surface tension and the Young-Laplace equation. Participants highlight the connection between interfacial phenomena and mathematical concepts like minimal surfaces and mean curvature. Recommendations for resources include the books by J. Oprea and C. Isenberg, though access is limited. A free geometry program, Surface Evolver, is mentioned as a useful tool for simulating minimum energy shapes of fluids. Overall, the conversation emphasizes the intricate relationship between physical properties and mathematical frameworks in understanding soap films.
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I'm looking for some stuff concerning the physics and mathematics of soap films and soap bubbles - I mean things like the surface tension mechanism, Young-Laplace equation etc. and the mathematical side of the subject, i.e. minimal surfaces, mean curvature etc.

I know that there are two nice books on this topic, J. Oprea "The Mathematics of Soap Films" and C. Isenberg "The Science of Soap Films and Soap Bubbles", but unfortunately I've been unable to get them, so I'd be glad if anyone could recommend something easily available on the web.

I'm familiar with things like Euler-Lagrange equations, principles of differential geometry etc., so the materials needn't be on a very basic level.
 
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You are asking a very generic question, and there's lots of material on the web. For example, are you looking for:

Pretty pictures
Differential geometry
Interfacial phenomena
...?
 
I'm looking for a reasonably detailed explanation of how interfacial phenomena, surface tension etc. are connected to the mathematical side of soap films' properties, Young-Laplace equation, mean curvature and basically differential geometry stuff.
 
I'd be surprised if you found that on-line, for free.

The main connection comes from the Young-Laplace equation \Delta P = -2 \sigma\kappa. The physics goes into the pressure jump.

There's a free geometry program (Surface Evolver) out of the University of Minnesota that plots minimum energy shapes of fluids, given certain boundary conditions (anchoring regions, gravity, etc)

http://www.geom.uiuc.edu/

We used it for liquid bridge simulations.
 
I think it's easist first to watch a short vidio clip I find these videos very relaxing to watch .. I got to thinking is this being done in the most efficient way? The sand has to be suspended in the water to move it to the outlet ... The faster the water , the more turbulance and the sand stays suspended, so it seems to me the rule of thumb is the hose be aimed towards the outlet at all times .. Many times the workers hit the sand directly which will greatly reduce the water...
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