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Undefined value found error

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Hi
I'm trying to simulate a cantilever MEMS switch and only have two materials, gold and air. Until the 18.5 V I dont have any problems but when I increase it I get this error:
Undefined value found.


- Detail: Undefined value found in the equation residual vector.
There are 245 degrees of freedom giving NaN/Inf in the vector for the variable x.
at coordinates: (2.91337e-005,6.46741e-006,2.5e-006), (2.95669e-005,6.71759e-006,2.5e-006), (3e-005,6.96778e-006,2.5e-006), (2.91337e-005,5.46666e-006,2.5e-006), (2.95669e-005,5.71684e-006,2.5e-006), ...
There are 245 degrees of freedom giving NaN/Inf in the vector for the variable y.
at coordinates: (2.91337e-005,6.46741e-006,2.5e-006), (2.95669e-005,6.71759e-006,2.5e-006), (3e-005,6.96778e-006,2.5e-006), (2.91337e-005,5.46666e-006,2.5e-006), (2.95669e-005,5.71684e-006,2.5e-006), ...
There are 245 degrees of freedom giving NaN/Inf in the vector for the variable z.
at coordinates: (2.91337e-005,6.46741e-006,2.5e-006), (2.95669e-005,6.71759e-006,2.5e-006), (3e-005,6.96778e-006,2.5e-006), (2.91337e-005,5.46666e-006,2.5e-006), (2.95669e-005,5.71684e-006,2.5e-006), ...


Can someone please help me? It's really frustrating. What am I doing wrong?

2 Replies Last Post 26 gen 2017, 09:27 GMT-5
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Hello Ali Mojdeh

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Posted: 8 years ago 26 gen 2017, 05:16 GMT-5
Hi Ali
please what are you doing to resolve this problem !!
it looks like the same
Hi Ali please what are you doing to resolve this problem !! it looks like the same

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Posted: 8 years ago 26 gen 2017, 09:27 GMT-5
Hi
This is not an actual error. When you reach the pull in voltage, the switch will hit the substrate so COMSOL cannot find a solution and returns error.
Best
Hi This is not an actual error. When you reach the pull in voltage, the switch will hit the substrate so COMSOL cannot find a solution and returns error. Best

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