Transient FEM Simulation of a Solenoid Actuator with MAXWELL

AI Thread Summary
The discussion revolves around a user seeking assistance with a 3D transient electromagnetic simulation of a solenoid actuator using MAXWELL. They successfully imported geometry from CAD files and set up the simulation, including meshing options and external circuits. However, they are encountering issues where, despite obtaining a force acting on the plunger, the speed and position remain unchanged. The user suspects the problem may be related to the movement vector needing to be positive. Further updates on the situation are anticipated as they continue troubleshooting.
renohr
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Hey Guys!

Hi Guys!

Well I am new here and I have to confess that I somehow got stuck in a 3D transient electromagnetic simulation of a solenoid actuator and… I’m a mechanical engineer^^ So I would appreciate some help of you guys!

1. I imported the geometry from CAD-files. But I remodeled the coil and the plunger with a sweep of the section around the z-axies.

model.jpg


2. I added a vacuum Band around the plunger

3. I setup the motion with:

motion1.jpg
motion2.jpg
motion3.jpg
4. I added some meshing options

5. I added a winding and a coilterminal with an external circuit

circuit.jpg


6. I setup the Solution:

solution.jpg


7. I solved itSo the solving went smooth but the mesh is not very refined jet. I get a Force acting on the plunger but the speed and the position of the plunger they don’t change...
 
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And here are the xy plots:
Force.JPG
Speed.JPG
Voltage.JPG
BField.JPG
 
It somehow seems to be a problem with the movement. The moving vector has to be positive apparently. I will keep you posted
 

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