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14.6: Start / Stop Calculation

Click the folder button 'Design Computation'. Below the input fields you find the buttons 'Start Computation' and 'Stop Computation'.




If you decided on one design value, click the button 'Start Computation'. All input fields are now switched inactive to avoid erroneous entry while the computation is running. The program accomplishes now the computations, the progress is indicated in a bar line display above the start button.
The button 'Stop Computation' can be used to abort the vortex computation. After the abort, the previous state will be recovered.
For the design conditions Cl, stability measure, centre of gravity and airspeed the program executes an iteration computation (approximate computation). The number of executed iteration steps is displayed in the output field 'Iteration'. In most cases the program will obtain a result within 10 runs. In unfavourable cases it can happen that the program does not find an end (convergence is not reached), it eternally would compute. To avoid this situation, the input field 'Max. Iteration' can be used. The program stops computation at least after the value entered here. You can enter the maximal number of steps manually, or you can use the Up/Down-buttons located near the input field.

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