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Re: [Opal] no magnetic field

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  • From: Zhi Li <zhili29882 AT>
  • To: Adelmann Andreas <andreas.adelmann AT>, opal AT
  • Subject: Re: [Opal] no magnetic field
  • Date: Mon, 30 Jan 2023 13:47:17 -0600
  • Authentication-results:; iprev=pass ( smtp.remote-ip=; spf=pass; dkim=pass header.s=20210112 header.a=rsa-sha256; dmarc=pass

Hi Andreas,

I found the reason why I thought there was no magnetic field in the simulation. When I got this field map from a colleague, they had mislabeled B as H, so the values are smaller by a factor of mu. After I corrected this the results looked similar to what they had in GPT code. Thanks for the help!

Best regards,


On Tue, Jan 17, 2023 at 3:32 PM Adelmann Andreas <andreas.adelmann AT> wrote:
Hi Zhi I think your E values are off and the number of points
per dimension is also not matching up with the number of entries in the file.

Check the description of 

Cheers A
Dr. sc. math. Andreas (Andy) Adelmann
Head a.i. Labor for Scientific Computing and Modelling 
Paul Scherrer Institut OHSA/D09 CH-5232 Villigen PSI
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On 17 Jan 2023, at 19:45, Zhi Li <zhili29882 AT> wrote:

Hi Andreas,

I found that my simulation is not implementing the magnetic field and radial component of the electric field. I checked this by looking at the output file and the datasets for Ex_ref, Ey_ref, Bx_ref, By_ref, Bz_ref are all 0. I am using the 2DDynamic field map format. What can I do to fix this? Thanks for the help!

Best regards,

<map and input>

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