- #1
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I am looking for the general solutions of this equation in [tex]z(r)[/tex]
If someone remembers well, this equation arises in surface tension physics.
[tex]z(r)=\frac{1}{r}\frac{d}{dr}\left[\frac{z_r r}{(1+z_r^2)^{1/2}}\right][/tex]
subject to the boundary conditions
[tex]z_r(0)=z_{ro}[/tex] and
[tex]z(\infty)=0[/tex]
I only come up with rough approximations expanding the RHS around r=0, but I don't realize how might a closed solution be obtained.
Any hints?
Thanx.
If someone remembers well, this equation arises in surface tension physics.
[tex]z(r)=\frac{1}{r}\frac{d}{dr}\left[\frac{z_r r}{(1+z_r^2)^{1/2}}\right][/tex]
subject to the boundary conditions
[tex]z_r(0)=z_{ro}[/tex] and
[tex]z(\infty)=0[/tex]
I only come up with rough approximations expanding the RHS around r=0, but I don't realize how might a closed solution be obtained.
Any hints?
Thanx.