(Run) button in the toolbar. If you do not see this button, use the Solution > Run menu item. You could also show the Solution toolbar by selecting Tools > Toolbars > Solution, and then clicking the toolbar button.
To run the simulation, click the (Run) button in the toolbar. If you do not see this button, use the Solution > Run menu item. You could also show the Solution toolbar by selecting Tools > Toolbars > Solution, and then clicking the toolbar button.
If necessary, click on the Residuals tab to bring the Residuals plot into view. The tabs at the top of the Graphics window make it possible to select any active display for viewing.
During the run, it is possible to stop the process by clicking the 
(Stop) button on the toolbar. If you do halt the simulation, it can be continued later by clicking the (Run) button. If left alone, the simulation will continue until the stopping criterion of 100 iterations is satisfied.
