[Getdp] rectangular solenoid : current density?

[svhb at telenet.be]

Hi,

I'm doing a rectangular solenoid to use in a bigger project. What suprises me is that the resulting current density in the post processing is not egal and has vectors pointing wrong directions (see jpeg). 

I think my equations are correct (I hope). So I don't know where the other values come from. 

Can someone explain to me? 

The included files are the ones I used to generate the jpeg. solenoid.geo is the root file, the others are included. 

Stefaan

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