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Pull-in voltage of resonator in 2D - keep getting inverted mesh elements
Posted May 9, 2017, 9:54 a.m. EDT 1 Reply
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Hi,
I'm trying to find the pull-in voltage of a beam in 2D, essentially exactly as is done in the "Pull-in Voltage for a Biased Resonator-2D" model in the application gallery. The only differences are the dimensions (my bar is 100 nm thick, 15um wide) and the material (aluminium). I've tried different (types/sizes of) meshes but that doesn't help. The only thing that seems to help is to make the bar unrealistically thick (like 400 nm).
Usually I get an error something along the lines of "Maximum number of Newton iterations reached" , with a ton of inverted mesh elements in the warnings.
I'm pretty much out of ideas. All I want is to get the pull-in voltage but I don't know what I'm doing wrong. I've attached the simulation file.
I'm trying to find the pull-in voltage of a beam in 2D, essentially exactly as is done in the "Pull-in Voltage for a Biased Resonator-2D" model in the application gallery. The only differences are the dimensions (my bar is 100 nm thick, 15um wide) and the material (aluminium). I've tried different (types/sizes of) meshes but that doesn't help. The only thing that seems to help is to make the bar unrealistically thick (like 400 nm).
Usually I get an error something along the lines of "Maximum number of Newton iterations reached" , with a ton of inverted mesh elements in the warnings.
I'm pretty much out of ideas. All I want is to get the pull-in voltage but I don't know what I'm doing wrong. I've attached the simulation file.
Attachments:
1 Reply Last Post May 12, 2017, 7:11 a.m. EDT
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Posted:
8 years ago
Hi Thomas,
I saw your question on the forum. Please send your question directly to support@comsol.com.
Best regards,
Yara Soares
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COMSOL BV | Röntgenlaan 37 | 2719 DX Zoetermeer
Phone: +31 (0)79 363 4230 | Fax: +31 (0)79 361 4212
www.comsol.nl | yara.soares@comsol.com
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I saw your question on the forum. Please send your question directly to support@comsol.com.
Best regards,
Yara Soares
--------------------------------------------------------------------------
COMSOL BV | Röntgenlaan 37 | 2719 DX Zoetermeer
Phone: +31 (0)79 363 4230 | Fax: +31 (0)79 361 4212
www.comsol.nl | yara.soares@comsol.com
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