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FFT for Neumann boundary

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Old   March 25, 2005, 09:35
Default FFT for Neumann boundary
John Terry
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I've met difficulties when using FFT solver to deal with Neumann boundary condition(Poisson equation for pressure).

Can anyone offer some information, or some books & papers? Thanks.
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Old   March 29, 2005, 18:20
Default Re: FFT for Neumann boundary
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Which solver are you using? and what kind of problems do you face

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Old   March 30, 2005, 23:46
Default Re: FFT for Neumann boundary
John Terry
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I want to use cosine FFT dealing with Neumann B.C which accured in the pressure Poisson eq. with staggered mesh.
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