Chapter 7. Modeling Constraints with Parametrics

This chapter describes SysML support for modeling constraints on the performance and physical properties of systems and their environment to support a wide array of engineering analyses.


A typical design effort includes the need to perform many different types of engineering analyses to support trade-off studies, sensitivity analysis, and design optimization. It may include the analysis of performance, reliability, and physical properties to name a few. SysML supports this type of analysis through the use of parametric models.

Parametric models capture the constraints on the properties of the system, which can then be evaluated by an appropriate analysis tool. The constraints are expressed ...

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