classical solution of PDE with mixed boundary conditions


by A. Neumaier
Tags: boundary, classical, conditions, mixed, solution
A. Neumaier
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Feb29-12, 09:21 AM
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PF Gold
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Nowadays people usually consider PDEs in weak formulations only, so I have a hard time finding statements about the existence of classical solutions of the Poisson equation with mixed Dirichlet-Neumann boundary conditions.

Maybe someone here can help me and point to a book or article where I can find sufficient conditions on the right hand side that guarantee the existence of a C^2 solution.
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HallsofIvy
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Mar1-12, 07:30 AM
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PF Gold
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A google search on "Dirichlet-Neumann conditions" turn up this:
http://www.math.osu.edu/~gerlach.1/m...t/node142.html
A. Neumaier
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Mar1-12, 09:14 AM
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Quote Quote by HallsofIvy View Post
A google search on "Dirichlet-Neumann conditions" turn up this:
http://www.math.osu.edu/~gerlach.1/m...t/node142.html
Thanks. But this only mentions the definition of these boundary conditions. It doesn't give existence conditions for it (but for the Cauchy problem).

I did an extended Google search before I posed the question here, and found nothing useful.

Andy Resnick
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Mar1-12, 02:34 PM
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classical solution of PDE with mixed boundary conditions


There's a short section in Polyanin's handbook "Linear Partial Differential Equations" covering this case, but it does not appear to be available online. I'm not sure if the material there answers your question.
A. Neumaier
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Mar2-12, 11:41 AM
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Quote Quote by Andy Resnick View Post
There's a short section in Polyanin's handbook "Linear Partial Differential Equations" covering this case, but it does not appear to be available online. I'm not sure if the material there answers your question.
Thanks. I need to get the book from the library.
A. Neumaier
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Mar9-12, 12:12 PM
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Quote Quote by Andy Resnick View Post
There's a short section in Polyanin's handbook "Linear Partial Differential Equations" covering this case, but it does not appear to be available online. I'm not sure if the material there answers your question.
It is online at
http://sharif.edu/~asghari/Handbook%...20Polyanin.pdf

Section 7.2 is about the Poisson equation, but it concentrates on specific solutions for nice domains. No existence results.


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