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In the next step a new scenario should be created for the Restart. With the Advanced User Settings the Start space STL-file can be selected. In this case the exported iteration 22 from an former optimization is selected. Furthermore, the symmetry constraints from the first optimization are added.

The most important part of a Restart is to adjust the Advanced User Setting Settings especially the number of iterations, the resolution level and the stress goal percentage. More background information regarding the Advanced User Settings here.

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This can be done when an optimization is terminated and restarted at another time. In this example the Bridge Bookshelf should be restarted as if the optimization never stopped, so with the same optimization parameters as the first optimization excluding the already done iterations. Therefore, the settings for the parameters Strut Density: Medium and Shape Quality: Balanced are added to the Advanced User Settings and adjusted according to the numer of iterations already calculated. Which number of iterations and which stress percent goal should be input for each resolution level can be found here.

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The command fOptimizer_switchAddRemove needs to be active for the last 4-10 iterations for the quality of the surface smoothness, so in this cas case 42-6=36.

The information are added in the following style:

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