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ZMT zurich med tech

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  4. How to export E-field to a custom grid?

How to export E-field to a custom grid?

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  • V Offline
    V Offline
    VigneshYork
    wrote on last edited by
    #1

    Hello,

    I would like to export the E-field (overall field) to a custom grid. For example, I would like to compare the E-field in a plane perpendicular to antennas placed around the a femur before and after posing. Currently since the E-field can only be extracted according to the global coordinates, I am not able to extract the values I would like.

    dba1b4f1-de5d-4af1-b7e7-32d857344dc7-image.png

    I would like to extract E-fields perpendicular to the antennas even when posed (the grid remains constant between static and posed models since it is relative to the antennas).

    How do I proceed with this?

    Thanks

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    • brynB Offline
      brynB Offline
      bryn
      ZMT
      wrote on last edited by bryn
      #2

      The easiest way is probably to

      • drag the antenna surface (where you want to obtain the perpendicular field) into the analysis explorer
      • interpolate the field onto the surface (select the field and the surface, then choose the Interpolator tool)
      • select normal projection (there is also tangential projection)
      • visualize with a surface viewer

      if the surface is too coarse, edit the faceting settings of the antenna, or remesh.

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      • V Offline
        V Offline
        VigneshYork
        wrote on last edited by
        #3

        Hi,

        Thank you. I tried it but would like to plot the fields on a grid between antennas (as shown in red in the image). It is easy when the model is static but when posed, I am not able to get a grid at an angle.

        Thanks

        image.png

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