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With the Loads & Boundary Condition Tools all Boundary Conditions can be created which are required for the optimizationoptimisation. It can be chosen between Displacement Constraints and Structural Loads.

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A force should always be applied to volumes/cells which automatically become Nondesign spaces. A moment can be applied on cells, surfaces, edges and points which automatically become a Nondesign space. We always work with cells as load/constraint application point. The image below shows that with nondesign spaces Nondesign space on the left the functional areas that are important for the post processing are completely available. On the right side only the surfaces were used as load/constraint application points and no post processing after additive manufacturing is possible.

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An acceleration can be created by defining the value with several g’s or a magnitude. As the direction for the acceleration a direction of the global coordinate can be chosen. If the acceleration doesn’t correspond with the global coordinate system, it can be created as a vector. More than one acceleration can be created per optimization optimisation however only one acceleration per load case makes sense.

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Attention: If only an acceleration and no other load is defined in the same load case, the optimization optimisation will get rid of the whole material iterative. The acceleration force is directly dependent on the volume of the Design space. As the Design space is reduced so is the acceleration force until no material is left.

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