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Periodicity (Floquet?) conditions on a nanowire-based device
Posted Jan 15, 2026, 5:33 a.m. EST MEMS & Piezoelectric Devices, Modeling Tools & Definitions, Physics Interfaces Version 6.4 3 Replies
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Hello,
I am developing a device composed of nanowires (vertical metal cylinders) embedded in a polymer matrix, topped with metal electrodes (shown in gold in the illustration).
To facilitate calculations, I am simulating on a 2D model.
I would like to: - draw half-spheres to represent the cylinders in a top view (I will not draw the electrodes in this case) - use periodicity conditions (why not Floquet conditions?) at the half-spheres to duplicate them in one direction.
-> What periodicity conditions could I use? How are they configured?
Thank you in advance, have a great day!
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To clarify (for those like me who do not normally work in your field), can you explain a little more about the physics you want to model? I'm guessing that this is for some kind of electromagnetic application. Electrostatics? Microwaves? A grid of probes involving electro- or bio-chemistry? What do you actually want to investigate & compute? Your options in Comsol Multiphysics and the best/correct choices of boundary conditions (among many other settings), will generally depend on the physics you are studying and what you seek to compute. Likewise, that will also determine if a 2D representation is sufficient to capture the physics that applies.
-------------------Scientific Applications & Research Associates (SARA) Inc.
www.comsol.com/partners-consultants/certified-consultants/sara
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Hello !
Thanks for your answer: I would like to apply semi-conductor physics, as well as piezoelectric physics. The principle of my device is to use piezoelectric and semi-conducting properties of cylinders, and to use cylinders as sensors for dynamical flows.
Do you need any other info ?
Many thanks,
Agnès
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Offhand, "dynamical flows" doesn't sound like a Floquet periodicity type of problem to me, but this is too far from my specialties. So I encourage others on on this forum with more knowledge on such topics to offer their suggestions.
-------------------Scientific Applications & Research Associates (SARA) Inc.
www.comsol.com/partners-consultants/certified-consultants/sara
