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How can I automatically name nets in Ansys Simplorer to remove net-name warnings?

When working in Ansys Simplorer (Twin Builder), you may see net-name warnings such as “Net name changed automatically.” These messages appear when wires are labelled with invalid or duplicate names (for example, starting with a number).

If you receive net-name warnings in Simplorer, follow the steps below to automatically assign proper names: 

  1. Select the entire circuit 
  • Press Ctrl + A on your keyboard to highlight all components and wires. 
  • This ensures every connection in your schematic is included for renaming. 

A screenshot of a computer AI-generated content may be incorrect.

2. Open the Auto-Name Wires tool
 
  • From the top-left menu, choose Schematic → Auto-Name Wires… 
  • The Auto-Name Wires dialog will appear. 
3. Set the naming format 
  • Choose a Base Name, for example N. 
  • Set a Starting Number, typically 1. 
  • These options will generate net names such as N1, N2, N3 … 
4. Apply the new names 
  • Click Apply Net Names to assign names to all selected wires. 

A screenshot of a computer AI-generated content may be incorrect.

 

5.Verify results 
  • Check that each wire now has a valid name beginning with a letter. 
  • The warnings should no longer appear. 

 

Notes and Tips 

  • These warnings do not affect simulation results — they exist only to enforce proper naming conventions. 
  • If you prefer custom prefixes (for example, “PH” for phase nets or “V” for voltage lines), you can replace the base name accordingly. 
  • Saving the model after renaming helps keep the updated net list consistent across future exports or coupled simulations.