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How to calculate Electric field at arbitrary point

Posted Mar 16, 2015, 9:02 a.m. EDT RF & Microwave Engineering, Modeling Tools & Definitions, Parameters, Variables, & Functions Version 5.0 4 Replies

OpticsLabPupil
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Hello Everyone...
I have designed a model in which light is scattered by a gold nano particles.

Now i want to calculate the value of scattered electric field at any arbitrary point.

Can anyone tell me how to calculate it and export this data??
4 Replies Last Post Mar 17, 2015, 3:41 p.m. EDT
Lasse Murtomäki
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Posted: 10 years ago Mar 17, 2015, 9:51 a.m. EDT
Before solving the problem you have to add points in your geometry (if needed) where you want to calculate the said variables. After simulation, Derived Values --> Point evaluation.

Is this what you asked?

Lasse
Before solving the problem you have to add points in your geometry (if needed) where you want to calculate the said variables. After simulation, Derived Values --> Point evaluation. Is this what you asked? Lasse
Jeff Hiller COMSOL Employee

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Posted: 10 years ago Mar 17, 2015, 10:00 a.m. EDT
If the quantity is needed only for post-processing purposes, you do not have to add a point to the geometry: you can add a Cut Point data set and then perform a Point Evaluation on that data set.
Jeff
If the quantity is needed only for post-processing purposes, you do not have to add a point to the geometry: you can add a Cut Point data set and then perform a Point Evaluation on that data set. Jeff
Lasse Murtomäki
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Posted: 10 years ago Mar 17, 2015, 10:33 a.m. EDT
Fine! Always learning new features :)
Fine! Always learning new features :)
OpticsLabPupil
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Posted: 10 years ago Mar 17, 2015, 3:41 p.m. EDT
Suppose i simulated the scattering model for nanosphere. Now i want to calculate the electric field scattered by any nano sphere at any point (obviously inside the PML domain). So how cn i calculate this ??
Suppose i simulated the scattering model for nanosphere. Now i want to calculate the electric field scattered by any nano sphere at any point (obviously inside the PML domain). So how cn i calculate this ??

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