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Unexpected results of TLine1?

Naga Pudi, student
Posted 3 months ago

I am trying to solve the following question and replicate the waveform through modelica from Mathematica. OLine does work but TLine1 does not. enter image description here

TLine1 uses the distributed parameter model that can accurately represent the behavior of the transmission line over a wide frequency range. Whereas, OLine breaks down the transmission line into a finite number of sections.

My expectation is TLine1 to behave in similar manner as OLine without oscillations. As shown above, I don't see that behavior from TLine1. I checked the same in Dymola and could see proper waveform. Is this a bug?
POSTED BY: Naga Pudi
3 Replies
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I am sorry, but although some progress has been made on pinpointing the underlying issue, we have not been able to prioritize fixing it for the upcoming release.
POSTED BY: Henrik Tidefelt

Thank you, this is very helpful feedback. We have created a story to investigate this simulation kernel bug and added you as external reporter.
POSTED BY: Sergio Vargas
Naga Pudi
Naga Pudi, student
Posted 26 days ago

Hi @Sergio Vargas , Could you please let me know if the fix would be available in the next release?
POSTED BY: Naga Pudi
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