System functional requirement - 3SE

Approved

https://www.3se.info/3se-onto/terms/system-functional-req-3se-069be64e189d7ee9

Functional requirement about a system.

Classification

flowchart TD N1["System functional requirement"]:::current N2["Functional Requirement"] N3["Requirement"] N4["System requirement"] N5["Safety system functional requirement"] N6["Security system functional requirement"] N1 -->|subclass of| N2 N2 -->|subclass of| N3 N1 -->|subclass of| N4 N4 -->|subclass of| N3 N5 -->|subclass of| N1 N6 -->|subclass of| N1 classDef current fill:#e8f4f8,stroke:#2980b9,stroke-width:2px

Allocations

flowchart TD N1["System functional requirement"]:::current N2["System function"] N3["System state"] N4["High level functional element"] N5["High level physical element"] N6["Stakeholder"] N7["System"] N8["System variant"] N9["High level physical element variant"] N10["High level functional element variant"] N11["System state variant"] N12["System function variant"] N2 -.->|allocates| N1 N3 -.->|allocates| N2 N4 -.->|allocates| N3 N5 -.->|allocates| N4 N6 -.->|allocates| N5 N7 -.->|allocates| N5 N8 -.->|allocates| N5 N9 -.->|allocates| N4 N8 -.->|allocates| N9 N10 -.->|allocates| N3 N9 -.->|allocates| N10 N7 -.->|allocates| N3 N8 -.->|allocates| N3 N11 -.->|allocates| N2 N10 -.->|allocates| N11 N8 -.->|allocates| N11 N12 -.->|allocates| N1 N11 -.->|allocates| N12 classDef current fill:#e8f4f8,stroke:#2980b9,stroke-width:2px

Relations

Relatedsystem-3se-069b85f238f3792d  ·  stakeholder-req-breakdown-structure-3se-069da425d0607787  ·  system-req-breakdown-structure-3se-069ee3cda6097bec  ·  system-functional-validation-3se-06a27237d3977414
Subclass offunctional-req-3se-069b88438050789a  ·  system-req-3se-069c3bf7714e7351
Superclass ofsafety-system-functional-req-3se-069bdc3120e57dc8  ·  security-system-functional-req-3se-069bdc31213c7b04
Composed ofsystem-element-functional-req-3se-069ee425ebb17241
Allocated bysystem-function-3se-069be64e18947ea8  ·  system-function-variant-3se-06a8873e38c67db1
Component ofstakeholder-functional-req-3se-069bdc88051177e5
Responsible rolesystem-architect-3se-069c451bef267e68  ·  system-engineer-3se-069c451bef3578a3
Evaluated bysystem-functional-validation-case-3se-06a270455cbb7fa4
Has variantsystem-functional-req-variant-3se-06a8873e38d17f2f

JSON-LD

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  "title": "System functional requirement - 3SE",
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Raw JSON-LD: index.jsonld

Created 2026-03-21  ·  Modified 2026-10-16  ·  by @rcasteran