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Systems engineering activities for a typical project have been discussed by categorizing the timeline cycle into several sections. The time duration of each section depends on the project. Following is a life cycle model proposed in [https://www.incose.org/products-and-publications/se-handbook INCOSE SE Handbook]: <br/><br/>
===[[File:Systems Engineering Life Cycle - Flow chart.png|thumb|center|800px|'''Flowchart of the System Life Cycle''']]===
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===[[Concept Phase | Concept]]===
==Vee - Model==
All of the major phases of the life cycle model are often visualized with a graphical ‘Vee’ (or V) model representation of the processes and stages of a program development (See figure). Although there might be overlapping stages & processes within the different phases of the system life cycle model, the sequence of processes depicted in the graphical ‘Vee’ model are designed to provide a structured framework for completing the design and verification of a system.
[[File:Systems Engineering Life Cycle - V Model.PNG||thumb|center|500px|'''Vee model''']]
As depicted, the phases begin from the upper left section, and subsequently are worked downward to the center, and then upward again onto the upper right side. <br/>
The initial phases of the life cycle model, as mentioned earlier, capture the system-wide requirements, various elements of the system, as well as concepts for realising the system.<br/>
