Predefined, User-Defined, and Automatically-Defined Measures
Creo Simulate uses three types of measures—predefined, user-defined, and automatically-defined:
• Predefined—For each product,
Creo Simulate provides a set of predefined measures appropriate for the goal of the product. For example, among its various predefined measures:
◦ Structure—provides von Mises stress, maximum principal stress, and maximum displacement magnitude measures
◦ Thermal—provides such measures as maximum heat flux magnitude, maximum and minimum temperatures, and so forth
Predefined measures cover a wide variety of the quantities you might want to evaluate or use as criteria for your model. All predefined measures apply to the entire model and, thus, are not location-specific. When it analyzes your model, Creo Simulate automatically calculates any predefined measure appropriate for the analysis type.
• User-Defined—You can also create user-defined measures for your model. These measures are often called custom measures. User-defined measures look at many of the same quantities as the predefined measures, but provide additional flexibility and functionality. For instance, user-defined measures provide a means of observing a location-specific, time-specific, or frequency-specific quantity. As with predefined measures,
Creo Simulate automatically calculates all relevant user-defined measures during analysis.
• Automatically Defined—In addition,
Creo Simulate automatically defines a limited set of measures that are specific to particular modeling entities.
Creo Simulate creates automatically-defined measures only when you add a modeling entity—such as contacts or fasteners—that requires the measure. If you delete the modeling entity,
Creo Simulate removes the automatically-defined measure from the model.
Although Creo Simulate creates these entity-dependent measures automatically, it treats some of these measures—those for contacts—as a form of user-defined measure, placing these measures in the User-Defined area of any measure selection lists. Other automatically defined measures, such as those for fasteners, appear in the Predefined area instead.