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# Re: [femm] Dynamic Animations

- To: femm@yahoogroups.com
- Subject: Re: [femm] Dynamic Animations
- From: Keith Gregory <k.gregory@lboro.ac.uk>
- Date: Wed, 27 Mar 2002 22:43:35 +0000
- In-reply-to: <a7spgu+svte@eGroups.com>

`You can make animations using FEMM but it can take some time. You need to model a sequence of steady state currents - a range of instantaneous values through a cycle of winding current. You can then animate the sequence of images produced by the post-processor. It is an ideal use for Lua scripting.`
`However, I am intrigued by what exactly you are trying to do. Transformers are constant flux devices (well voltage transformers are anyway) and the flux is determined by the voltage applied to the primary winding. The power output is just the power input minus the losses. You will not increase the power by putting a magnet in the middle, it would - I think - just introduce a dc offset into the core flux.`
`Keith.`
`At 15:46 27/03/02 +0000, you wrote:`

>     Can FEMM do dynamic simulations of a moving motor part or a
>     transformer in action?

>     I'm trying to model a transformer with a magnet in the middle just to
>     increase the flux/power, but I can only do static simulations. I
>     basically want to create a animation of a time varying flux but I'm
>     not sure if FEMM can do that?

> ``
> ``
> ``
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``

- References:
  - Dynamic Animations
    - From: "fdamador2001" <fdamador2001@yahoo.com>

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