Systems engineering models workflow

The systems engineering models workflow spans across multiple engineering disciplines and documents the relationships involved in the requirements management, functional design, logical modeling, and traceability aspects for a machine concept. Several roles concurrently work together to develop the models.

Overview of the steps

1. Develop requirements.

• Gather and structure the main design and system requirements.
• Add subrequirements based on the main requirements.
• Add more details to the requirements using embedded tools like Microsoft Word.

2. Develop a functional model.

• Define basic functions of the system.
• Create a hierarchy based on a functional decomposition.
• Create and maintain alternatives for the functional design.
• Reuse functional units.
• Define the output parameters of the functions and associate them with requirements.

3. Develop a logical model.

• Create the basic logical model to define how functional blocks are accomplished.
• Create tracelinks between functional units and the logical blocks.

Creating tracelinks

To create tracelinks, do the following:

1. Select a root systems engineering object.
2. Link sub-objects to root objects to connect the driving factors of the root object.

Import to MCD

Once developed, the systems engineering models are imported to MCD and used to design the physical model.

Related Concepts

• Systems engineering models overview

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