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Tangential electric field strength on the curve

Posted 5 août 2021, 03:30 UTC−4 Electromagnetics, Low-Frequency Electromagnetics, Results & Visualization 1 Reply

QQ HU
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How to find the tangential electric field intensity on the curve in a two-dimensional axisymmetric model？ thx！

1 Reply Last Post 10 août 2021, 14:16 UTC−4
Jeff Hiller COMSOL Employee

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Posted: 3 years ago 10 août 2021, 14:16 UTC−4

Hello QQ,

In a 2D axisymmetric model, the vector with components (nr, nz) is normal to curves. (tr, tz) is the tangential vector. You can easily plot them using an Arrow Line plot. By taking the dot product with a vectorial field, you can compute and plot the components of that field normal and tangential to a curve: V.n=Vrnr+Vznz, etc.

Best regards,

Jeff

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Jeff Hiller
Hello QQ, In a 2D axisymmetric model, the vector with components (nr, nz) is normal to curves. (tr, tz) is the tangential vector. You can easily plot them using an Arrow Line plot. By taking the dot product with a vectorial field, you can compute and plot the components of that field normal and tangential to a curve: V.n=Vr*nr+Vz*nz, etc. Best regards, Jeff

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