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 Startspaceand aminimum Thickness.
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The appearing text field can be used to add Advanced User Commands to the current Generative Design Scenario.
Restart, Usage of a Start Space & Influencing the
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number of iterations
To influence the Strut Density optimisation parameterseven further, changes of the number of iterations and number of resolution levels can be made. These settings overwrite the selection of the Strut Densityand the Shape Quality as they are only default settings for the ones described here. The table gives an overview of the default settings:
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By default an overhang surface is determined if the angle falls below 45° in relation to the baseplate. This angle can be changed with the following commands.
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Overhang Angle
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command:
45° | schedule.iterations. ~.operator.optloop_loop_cage_generateToolset.tools.tool0.angle=90_deg schedule.iterations. ~.operator.optloop_resample_generateToolset.tools.tool0.angle=90_deg |
30° | schedule.iterations. ~.operator.optloop_loop_cage_generateToolset.tools.tool0.angle=120_deg schedule.iterations. ~.operator.optloop_resample_generateToolset.tools.tool0.angle=120_deg |
60° | schedule.iterations. ~.operator.optloop_loop_cage_generateToolset.tools.tool0.angle=60_deg schedule.iterations. ~.operator.optloop_resample_generateToolset.tools.tool0.angle=60_degprefabricated.wallAngle=45° |
Minimum Thickness (Experimental Function):
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By default the first 10 eigenmodes are considered to an upper frequency limit of 3 times the frequency target. This can be modified with the following commands:
event.Event_2.frequencyMax=4500 event.Event_2.frequencyCount=10 |
If the Frequency Constraint is higher than the first calculated Eigenfrequency of the whole Design Space in the first Iteration, this can lead to the case that no material will be reduced. This can be resolved by reducing the Frequency Constraint or by entering the following command to the Advanced User Settings:
schedule.iterations.~.operator.optloop_loop_analysis_Event-2_extractLocalFailures.useMetricGoalFactor=1 |
It has been found that comparable heavy point masses can cause that the optimisation does not achieve the Frequency Constraint. To address this the impact value can be set up to a value greater than 1. This can be done with the following Advanced User Settings command:
event.Event_2.impact=1.5 |
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Event_2 has to be replaced with the name of the frequency event. |
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