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Coupling the 3D Magnetic Component with 2D CFD_FSI component using general extrusion

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Hi all,

I am doing some multiphysics analysis of cantilever beam which involves the CFD fluid structure interaction coupled with magnetic and piezoelectric physics.

A piezo cantilever beam in excited with piezoelectric patch by applying voltage, partially submerged into magnetorheological fluid (MR) surrounded by an electromagnet.

When the electromagnet produces the magnetic field then the MR fluid changes the behavior from newtonian fluid to non newtonian fluid. This can be modeled by Bingham's plastic model available in comsol 5.4. Then beam excited with piezo material patch by applied volatge vibrates in the MR fluid. I am trying to find out the transient response of the beam at various excitation frequencies.

I did some analysis in comsol 5.4 and I got some results with Piezo FSI CFD analysis. But when I tried to couple the magnetic analysis results with CFD I got some error. I did 3D magnetic analysis (In Component 1) to calculate the magnetic field intensity. Then I wanted to map this magnetic field intensity into 2D CFD analysis in Componenet 2 by using General Extrusion Operator. Here I am getting results such that

'"Extrusion coupling operator interpolation failed for at least one point: no source point found."

So anybody if interested to help me I will really appreciate it and ready to pay for his expertise. We can discuss that in detail depends on scope of the work. But I need the solution. I dont understand how to upload the figures over here. But if you want I can send you in personal message. I can provide you a geometry.


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