[Date Index] [Thread Index] [Author Index]

Re: Laplace equation with gradient boundary conditions

• To: mathgroup at smc.vnet.net
• Subject: [mg123276] Re: Laplace equation with gradient boundary conditions
• From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
• Date: Wed, 30 Nov 2011 03:19:55 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <201111291203.HAA05406@smc.vnet.net>

On 29 Nov 2011, at 13:03, Tom Wolander wrote:

> Could somebody help me by answering whether Laplace equation with
> Robin like BC can't really be solved?
> And if it can be done, what have I missed to make NDSolve work?

I think it is quite clearly stated that NDSolve, which uses the method 
of lines to solve PDE's, can't solve purely elliptic PDE's, including 
the Laplace equation.
I believe (though not on the basis of any personal experience) that you 
can do much of what you want with the IMTEK package
http://portal.uni-freiburg.de/imteksimulation/downloads/ims

Andrzej Kozlowski

• References:
  • Laplace equation with gradient boundary conditions
    • From: Tom Wolander <ultimni@hotmail.com>