SOLIDWORKS Simulation 2019 Topology Study Constraints

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Topology studies in SOLIDWORKS Simulation give you insight to help determine the best design for a set of constraints (included in SOLIDWORKS Simulation Professional and Premium packages).  SOLIDWORKS 2019 now adds SOLIDWORKS Simulation Topology Study Constraints to achieve the desired results.  You can control the Frequencyand Stress/Factor of Safety.

Frequency Constraint

Frequency constraints can specify the lower/upper limits or range of permissible frequencies for mode shapes.  You can add multiple mode shapes to ensure all scenarios are covered.  Be sure to run a standard Frequency Study on the original model (before topology iterations) to ensure it starts off in the permissible frequencies.

SOLIDWORKS Simulation 2019 Topology Frequency Constraint

SOLIDWORKS Simulation 2019 Topology Frequency Constraint

The option for Mode Tracking determines if the mode shape order is relevant after each iteration.  When Mode Tracking is cleared, the constraint will always apply to the mode number for each iteration even if the mode shape changes order.  When Mode Tracking is selected, the constraint will always apply to the original mode shape regardless of a possible change in order (i.e. Mode 1 in the original model becomes Mode 3 in the iteration, but constraints will then apply to this same shape as Mode 3).

Stress/Factor of Safety Constraint

When you require the maximum stress to be a certain value or you must keep a minimum factor of safety, this constraint optimizes the shape based on stress results for each iteration.  The Stress option allows you to add a specific max Von Mises stress allowed or the max stress based a factor (in %) of the material’s yield strength.

SOLIDWORKS Simulation 2019 Topology Max Stress Constraint

SOLIDWORKS Simulation 2019 Topology Max Stress Constraint

 

The Factor of Safety (FOS) option provides an input for the minimum allowed FOS based on the maximum Von Mises stress vs the material’s yield strength.

SOLIDWORKS Simulation 2019 Topology Factor of Safety Constraint

SOLIDWORKS Simulation 2019 Topology Factor of Safety Constraint

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