Search found 7 matches

by F4INX
Sun 10 Jan 2021, 16:44
Forum: Usage
Topic: Papers on Rennigs timestep calculation ?
Replies: 2
Views: 1725

Re: Papers on Rennigs timestep calculation ?

Many thanks for your answer.
With the link you gave me, I quickly found this: https://www.ate.uni-due.de/data/coft1/I ... nnings.pdf
Do you use CRLH-EEC FDTD in OpenEMS ?

Regards,
by F4INX
Sun 10 Jan 2021, 16:34
Forum: Feedback
Topic: Bug fix for Qt problem
Replies: 12
Views: 6958

Re: Bug fix for Qt problem

I will try that. If this works, would you consider putting this change in next release ?
by F4INX
Thu 31 Dec 2020, 11:54
Forum: Usage
Topic: Papers on Rennigs timestep calculation ?
Replies: 2
Views: 1725

Papers on Rennigs timestep calculation ?

Dear all,

I'm searching explanations about the Rennigs timestep calculation method. Would you have some paper on it ?

Many thanks,
Regards,
by F4INX
Thu 31 Dec 2020, 11:50
Forum: Usage
Topic: Helix antenna with lossy wire
Replies: 2
Views: 1537

Re: Helix antenna with lossy wire

Hi Thorsten, Many thanks for your answer. This was to model a small compact antenna around 3 (!) MHz for ham radio. In my case, the wire losses are dominant because the wire is really long (approx 100 m of wire) and wound into a compact helix. The dielectric losses would have been negligible not onl...
by F4INX
Thu 24 Dec 2020, 02:40
Forum: Usage
Topic: Helix antenna with lossy wire
Replies: 2
Views: 1537

Helix antenna with lossy wire

Hello, I'm trying to model an antenna similar to an helix with fine pitch with lossy wire. I use a script similar to the script in http://openems.de/index.php/Tutorial:_Helical_Antenna , using the function AddCurve. Unfortunately, this function does not seem to support losses in wire. Could you plea...
by F4INX
Thu 24 Dec 2020, 00:23
Forum: Feedback
Topic: Bug fix for Qt problem
Replies: 12
Views: 6958

Re: Bug fix for Qt problem

Hale_812 wrote:
Wed 16 Dec 2020, 05:23
Interesting.
And what is inside QT_PLUGIN_PATH ?
The path of the Qt installation of Octave's gui.
by F4INX
Tue 15 Dec 2020, 18:27
Forum: Feedback
Topic: Bug fix for Qt problem
Replies: 12
Views: 6958

Bug fix for Qt problem

I would have a feedback about a small bug I had with OpenEMS + Octave. AppCSXCAD.exe gave me the following error message : qt.qpa.plugin: Could not load the Qt platform plugin "windows" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialize...