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Sigrity PI issue: no ground nets enabled

Flexita

Hello,

I have been designing a flexible PCB on Allegro 16.6 and I would like to perform post-layout simulation using Sigrity PI Aurora (Allegro 17.4).

I have the following problem: before lauching the "Analyze- DC Analysis Interactive Mode..." (PowerDC) I have identified the DC Nets (see attachment) and once I set the P/G Nets, VRMs and Sinks and run the simulations, the output is "No ground nets enabled" (attached too).

 I have exported the project to the most recent version and also open directly my design in the PCB editor 17.4 to check both options.

Does anyone have this issue in the past? Could anyone have an idea what could be the issue?

Thank you.

Best,

Marisol

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