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With the Advanced User Settings the optimisation parameters can be influenced even further than the options Strut Density and Shape Quality. Furthermore, a few unsupported options are available using the Advanced User Settings like Restart, Usage of a Startspace and preventing an Intersection during the optimisation.
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To set up these additional parameters, the Input Commands (left side of the table) need to be added to the optimisation model in the Advanced User Settings Text Field. In the picture below an example is shown. By adding these Advanced User Settings, the first (coarse) resolution level will be skipped and the optimisation starts directly at the second level. You might want to add more iterations to the remaining levels to give the optimisation the chance to reduce the material accordingly. Especially level 2 can use more iterations in this case.
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restart_file=restart_iteration_60.stl
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Restarts the optimization at iteration 60 (of course any other iteration can be specified, just adjust the filename)
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Restart (StartSpace)
With the Advanced User Settings a Restart is possible. A Start Space needs to be chosen with which the optimisation will re/start.
Therefore, an already optimised STL-file is needed as Start Space. This can be exported directly from the post processing and be selected as a Start Space by clicking on the browse button. Therefore, the unit of the exported STL-file needs to be in meters (SI-Units). In most cases the Strut Density and Shape Quality settings must be changed as well using the Advanced User Settings. For a restart the same resolution level and number of to be completed iterations have to be filled in. You can finde a Tutorial to how to perform a Restart here.
This way a two-stage optimisation is also possible. For a two-stage optimisation the resolution level and number of iterations must be chosen wisely and will need some fine tuning.
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If an intersection is not directly requested, the export command “noIntersection” can be added to the Advanced User Settings. In some cases the design space of the optimisation is not the one the intersection should take place with and therefore this additional command can be used. The intersection is not done for the iteration but the result is the smoothed optimisation result. For further information regarding a separate intersection with MSC Apex Generative Design have a look here.
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