June 30, 2021 at 10:10 amgawadesurajSubscriber
I want to design an inductor coil with a metal target to see the effect of metal target on the inductance of a coil. I did some search about this but didn't find any solid solution. Could anyone please tell me which design (HFSS, Maxwell or Q3D etc.) should I use to design this kind of application which is widely used in an inductive button sensors?
Any help regards to this is highly appreciated.
Many thanks!!July 1, 2021 at 6:47 amNavya CAnsys EmployeeHi @gawadesuraj Can you provide a screenshot of a sketch of how your system/design looks and how it operates?
Also mention what is the operating frequency of the coil.
July 1, 2021 at 10:50 amgawadesurajSubscriber
Thanks for your reply.
I have attached the SS of the inductor coil which I designed (HFSS design
). The operating frequency range of the coil is from 100kHz to 3MHz. As you can see in the image, a two-layer is designed and now I need to add a metal target (just like an inductive button sensor) on top of that coil. At last I want see the effect of metal target on the inductance and resistance of the coil with field line (if possible).
July 2, 2021 at 3:06 pmPraneethAnsys Employee
Please use "upload image" option in the post as Ansys employees cannot access the attachments across the forum.
Thank you for your cooperation.
July 5, 2021 at 9:05 amJuly 9, 2021 at 2:53 pmPraneethAnsys EmployeeHi Suraj We appreciate your patience on this.
Were you able to see the change in the plots in the presence of metal target?
July 12, 2021 at 8:31 amgawadesurajSubscriber
Yes, I was able to see the change and it's sorted out now. But my only question now is can I design the same thing as a Maxwell design and if yes, how can I do the setup for boundary, excitation to obtain L and Rs values. I am asking this because the working frequency range for the coil is 250kHz to 12MHz which is a low frequency application.
Please let me know about this.
July 12, 2021 at 10:54 amNavya CAnsys EmployeeHi @awadesuraj For calculating the resistance and inductance of your coils, you can run a simulation with an eddy current solver.
Make sure to assign parameter-->matrix before analyzing.
In result-->solution data you can view R and L values under the matrix tab.
If you are on 2021R1 and above, there is an example. File>open examples>Mawell>General>eddy current.
Please refer to Maxwell help document for additional information on specific topics.
July 13, 2021 at 1:39 pmgawadesurajSubscriber
Thanks for your reply. Yeah, I am using 2021 version and as you said, I'll follow the mentioned steps.
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