Convergence Assistant 

Multisim Help


Edition Date: February 2017
Part Number: 375482B-01
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Convergence is a state that occurs when the difference between the solved circuit values in one non-linear iteration and the solved circuit values in the next non-linear iteration is sufficiently small. Refer to the Convergence section for more information.

When a convergence error occurs during interactive simulation in Multisim, a message appears asking if you would like to run the Convergence Assistant to try to automatically resolve the problem.

Complete the following to run the Convergence Assistant:

  1. Click Yes when the above-mentioned message appears. The Convergence Assistant dialog box appears, and begins to attempt solutions to resolve the convergence issue.
  2. Once the simulation error has been fixed, the Convergence Assistant rolls back the changes one-by-one, until error-free simulation occurs with the least possible amount of changes to the circuit’s configuration. A summary report appears in the Convergence Assistant dialog box detailing the changes that were made.

    You are also advised if the Convergence Assistant was unable to fix the error.

If you decline to run the Convergence Assistant when a convergence error occurs, an error message displays in the Simulation tab of the Spreadsheet View. Refer to the Netlist Errors and Warnings section for more information.

Complete the following steps to run the assistant from the Simulation Error Log/Audit Trail dialog box:

  1. Click Convergence assistant in the Simulation Error Log/Audit Trail dialog box.
  2.   The Convergence Assistant button only appears if a convergence error has occured.

  3. Click Start in the Convergence Assistant dialog box.

To save the contents of the Convergence Assistant log, click Save.

To print the contents of the Convergence Assistant log, click Print.

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