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The shown GD-Bracket optimisation was done with the default settings which lead to smooth transitions between Non-Design Spaces / Interfaces and Design structure to avoid hard notches. Stress risings often have an impact on the fatigue life of a part and should be considered.
The optimisation with the automatic Non-Design growth activated leads to results like the one below The transition here is a hard notch which also leads to peak stresses. With the Advanced User Settings the transition can be changed according to the respective needs.
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