Update LinksWith 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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The orientation of the constraints can be influenced directly during the creation process by adding angles to the global coordinate system. Alternatively, the constraints can refer to a prior defined Local Coordinate System.
Constraints can be applied on cells, surfaces, edges and points which automatically become a Non-Design Space. To apply a constraint to a cell, the cell has to be created beforehand. This can be done using the split tool or with a Boolean operation. What cells are, how they are created and defined is mentioned here.
Force-Moment:
Forces and moments can be created by component notation or as a resulting load. In the name sector every force/moment can be named individually.
The orientation of the force or moment can be changed directly during the creation by adding angles to the global coordinate system. Alternatively, the force/moment can refer to a prior defined Local Coordinate System.
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Forces and moments can be directly or remotely applied.
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All forces and moments can be applied on cells, surfaces, edges and points. Please be aware, that when a boundary condition is applied on a surface/edge/point only this will be automatically a Non-Design Space. In most cases a bigger Non-Design Space is needed, which should be created separately or the boundary condition needs to be applied on a cell (volume).
The image below shows that with Non-Design Spaces 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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To apply a constraint to a cell, the cell must be created first. This can be done using the split tool or with a Boolean operation.What cells are and how they are created and defined is mentioned here.
Gravity (Acceleration):
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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 optimisation however only one acceleration per load case makes sense.
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Pressure loads can be applied only on surfaces. It doesn’t matter if the surface is plane or not. The Pressure magnitude is the only value which is required. The chosen surface will automatically become a Non-Design Space.