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Edge or Nodal element

User: "jerometeoh"
Altair Community Member
Updated by jerometeoh

Hello there,

What is the difference between an edge element and a nodal element in FLux, and when should I use one over the other?

 Is there any scenario that the edge element formulation can solve but not the nodal element? vice and versa

  

Thanks,

 Jerome.

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    User: "Letizia Ferrara"
    Altair Employee
    Accepted Answer
    Updated by Letizia Ferrara

    Hello Jerome,

    In Steady State AC Magnetic coupled with Transient Thermal 3D application, if you have regions that is made of ceramics, rubber, you can simply define them as "air or vacuum region" . If you choose inactive the magnetic equation will not solve in these region.

    For the convection, if you don't assign it to some faces, the solver considers just the thermal conduction between solids (air included); so if you have air around the device.
    Different is when you use just the thermal application, because you can avoid to have the air around, so if you don't assign some convection condition is like to have an adiabatic BC at these faces.

    About the edge elements, if you have solid conductors in the model, this formulation is automatically taken into account for "automatic formulation" that you have set by default in the application definition.

    Ensure that, when you ask to Flux to solve some quantities inside the volumes, you had already defined the properties of the physic involved in each materials tab. Otherwise Flux should alert you with a message.

    I hope this could help.

    Best regards,

     

    Letizia