Creo Simulate > Creo Simulate > Reference Links > To Select the Iterative Solver
  
To Select the Iterative Solver
1. Click Home > Analyses and Studies. The Analyses and Design Studies dialog box opens.
2. Select Settings from the Run menu or click (Configure run settings). The Run Settings dialog box opens.
3. Select the Use iterative solver check box. Additional items appear on the Run Settings dialog box.
4. Type a value for the maximum number of iterations.
5. Enter a p-loop pass number for After P-loop pass. The iterative solver takes over after the pass you specify.