You impose a constraint on the maximum von Mises stress that it should not exceed a value of 300 MPa. You can use any sensor or driven global variable to define constraints for an Optimization Design Study. For more information about defining sensors as constraints in a Design Study see SOLIDWORKS Simulation Help: Defining Constraints.
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On the MinVolume Design Study tab, in the Constraints section, make sure the stress sensor you just created is selected.
- For the constraint, select Is less than.
- For Max, type 300 N/mm^2.
The program automatically selects the ReadyStatic study to run and track the sensor's value since only one static study is defined.