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Wavefront simulation

Posted Mar 9, 2016, 9:37 a.m. EST Ray Optics, Wave Optics, Structural Mechanics 2 Replies

Andrey Nazarov
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Hello all,

I'm quite new to COMSOL and I'm trying to simulate the effect of curved surface (which I change using the structural mechanics module) on the reflection of a plane wave.
I can't find a way to plot the wavefront of the EM wave reflected from the curved surface.
Can anyone help me with that or give me a hint?

Thank you,
Andrey
2 Replies Last Post Mar 13, 2016, 3:13 a.m. EDT
Yuchu He
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Posted: 9 years ago Mar 10, 2016, 12:38 p.m. EST
in the EM study, you can use scattered field formulation. By defining a background field, for example, a plane wave in travelling in the -y direction, Ez=exp(j*k0*y), you can obtain the scattered field, which is your reflected wave.
in the EM study, you can use scattered field formulation. By defining a background field, for example, a plane wave in travelling in the -y direction, Ez=exp(j*k0*y), you can obtain the scattered field, which is your reflected wave.
Andrey Nazarov
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Posted: 9 years ago Mar 13, 2016, 3:13 a.m. EDT
Ok, Thank you.

Do you know if I can select any volume and plot a 3D surface inside this volume under some condition (e.g same phase)?

Thank you,
Andrey
Ok, Thank you. Do you know if I can select any volume and plot a 3D surface inside this volume under some condition (e.g same phase)? Thank you, Andrey

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