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Fourier transform in NGSolve
- paul.stocker
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3 years 8 months ago #3639
by paul.stocker
Fourier transform in NGSolve was created by paul.stocker
Hello everyone!
I was wondering if there was any best way to get the FFT from a GridFunction in NGSolve?
Best,
Paul
I was wondering if there was any best way to get the FFT from a GridFunction in NGSolve?
Best,
Paul
3 years 8 months ago #3640
by joachim
Replied by joachim on topic Fourier transform in NGSolve
Hm ...
what do you assume from you mesh and your space ?
with structured meshes and Nodal-P1 you can take your coefficient vector and fead it into Python - FFT
otherwise, you have to evaluate your GridFunction on a regular grid of points (using geometric search) first.
Joachim
what do you assume from you mesh and your space ?
with structured meshes and Nodal-P1 you can take your coefficient vector and fead it into Python - FFT
otherwise, you have to evaluate your GridFunction on a regular grid of points (using geometric search) first.
Joachim
The following user(s) said Thank You: paul.stocker
3 years 8 months ago #3641
by joachim
Replied by joachim on topic Fourier transform in NGSolve
Hm ...
what do you assume from you mesh and your space ?
with structured meshes and Nodal-P1 you can take your coefficient vector and fead it into Python - FFT
otherwise, you have to evaluate your GridFunction on a regular grid of points (using geometric search) first.
Joachim
what do you assume from you mesh and your space ?
with structured meshes and Nodal-P1 you can take your coefficient vector and fead it into Python - FFT
otherwise, you have to evaluate your GridFunction on a regular grid of points (using geometric search) first.
Joachim
The following user(s) said Thank You: paul.stocker
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