Latest Discussions - COMSOL Forums

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Transport of diluted species coupling with a previous study

November 21, 2018, 10:18 am

Hello everyone,I'm having some trouble coupling two different transport of diluted species studies. The process is like this:First: In study 2 Time dependent, I run TDE for one specific hour...

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Why does it take forever to cancel an operation?

November 21, 2018, 10:22 am

The below post is related to an archived discussionDoes anyone know why it takes so long to cancel an operation? Some times longer then an hour.

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Please somebody help me

November 21, 2018, 10:44 am

I want to design a simple buck converter in COMSOL. I have face a problem using comsol. As there are four terminals of MOSFET Drain, source , gate and bulk. Now the problem is how to give pulse wave...

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using Coil Geometry Analysis Step

November 21, 2018, 12:29 pm

Hello!I'm trying to find magnetic field distribution due to current flowing in a curved conductor with variable crossection shape and area. I know only total current flowing through conductor, and...

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Shape factor of multi-linear separation of decohesive setting & penalty factor

November 21, 2018, 6:58 pm

Dear Comsol users,I noticed that for decohesive settings tag, there is a parameter λ called shape factor when multi-linear seperation is selected. Could anyone please give some explanation on this?...

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Coupling Electrostatics and Creeping flow

November 22, 2018, 6:41 am

Dear all I am nearly new to Comsol and I'm involved in a project which is similar to yours for connecting electrostatic module to creeping flow. I’m simulating a microchannel in which a particle is...

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How to apply current excitation on a single-turn inductor?

November 22, 2018, 7:16 am

Hi everybody,I would like to add an excitation signal to my simple inductor but I am very confused how to do it. I have read the ACDC reference manual and several online notes, but none of them seems...

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Regarding microwave heating

November 22, 2018, 12:00 pm

The following error keeps coming when I try to simulate microwave heating of metals. can anyone tell me where I'm going wrong? I'm a...

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Photodiode internal quantum efficiency

November 22, 2018, 12:31 pm

I am trying to calculate quantum efficiency of a photodiode. Firstly, EM analysis is done to get optical generation rate. All photons are absrobed as I see. Then, optical genration rate is used as an...

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