With the Loads & Boundary Condition Tools all Boundary Conditions can be created which are required for the optimisation. It can be chosen between Displacement Constraints and Structural Loads (directly or remotely applied).
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A Point Mass is considered for static load cases if an acceleration / gravity is active and for Frequency Optimisations. For Frequency Optimisations the connector can also be changed to a rigid one (RBE2) with the Advanced User Settings.