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How to calculate forces/torques between two magnets in various positions,...

Hi, I am a new user of Comsol. I would like to have your opinion about the following analysis. I would like to calculate the force and torque between two cylindrical permanent magnets. I am able to get...

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Re: How to calculate forces/torques between two magnets in various positions,...

Hi Unless you have got hold on a V4, I'm afraid the only way out is with a Matalb script. Probably you can survive with just a few calculations and then interpolate analytically for the rest Good luck...

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Re: How to calculate forces/torques between two magnets in various positions,...

Hi Lionel, I think you can do the analysis you want also with 3.5a version of Comsol without using Matlab. Clearly with 4.0 version everything will be easier. In 3.5a version, you have to use the...

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Re: How to calculate forces/torques between two magnets in various positions,...

Hi Alessandro, Thanks a lot for your input. I could create the model as you advise me. I can move the mesh, but geometries stay fixed. Is there any way to move the geometry with the mesh? Cheers, Lionel

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Re: How to calculate forces/torques between two magnets in various positions,...

Hi! I create a simple 2D mode of two cylindrical magnets (see attached). I able the move something, but the results are wrong... The subdomain is moving but the results stay the same which is not...

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How to calculate forces/torques between two magnets in various positions,...

Hi, I am a new user of Comsol. I would like to have your opinion about the following analysis. I would like to calculate the force and torque between two cylindrical permanent magnets. I am able to get...

View Article

Re: How to calculate forces/torques between two magnets in various positions,...

Hi Unless you have got hold on a V4, I'm afraid the only way out is with a Matalb script. Probably you can survive with just a few calculations and then interpolate analytically for the rest Good luck...

View Article

Re: How to calculate forces/torques between two magnets in various positions,...

Hi Lionel, I think you can do the analysis you want also with 3.5a version of Comsol without using Matlab. Clearly with 4.0 version everything will be easier. In 3.5a version, you have to use the...

View Article


Re: How to calculate forces/torques between two magnets in various positions,...

Hi Alessandro, Thanks a lot for your input. I could create the model as you advise me. I can move the mesh, but geometries stay fixed. Is there any way to move the geometry with the mesh? Cheers, Lionel

View Article


Re: How to calculate forces/torques between two magnets in various positions,...

Hi! I create a simple 2D mode of two cylindrical magnets (see attached). I able the move something, but the results are wrong... The subdomain is moving but the results stay the same which is not...

View Article
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