 Jukka Aho
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0cfe966063
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docs(book): Add ADR-002 for topology without hardcoded node counts
Architecture Decision Record documenting topology/basis separation (292 lines):
- Explains decision to remove node counts from topology types
- Documents topology = pure geometry, basis determines node count
- Shows old Code Aster anti-pattern (TRIA3, TRIA6, QUAD4, QUAD8)
- Describes new design: Triangle + Lagrange{Triangle, P}
- Rationale: mathematical correctness, separation of concerns
- Enables edge/face DOFs (Nédélec, Raviart-Thomas)
- Eliminates combinatorial explosion (8 topologies vs hundreds)
- Consequences: extensible, correct, but breaking change
- Implementation strategy and migration plan
- Includes proper YAML front matter for book chapter
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2025-11-09 09:33:41 +02:00 |
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Jukka Aho
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d8fc224c42
|
docs(book): Add ADR-002 for topology without hardcoded node counts
New Architecture Decision Record for the comprehensive book (292 lines):
- Documents decision to remove node counts from topology types
- Explains topology = pure geometry, basis determines node count
- Shows old Code Aster anti-pattern (TRIA3, TRIA6, QUAD4, QUAD8)
- Describes new design: Triangle + Lagrange{Triangle, P}
- Rationale: mathematical correctness, separation of concerns
- Enables edge/face DOFs (Nédélec, Raviart-Thomas)
- Eliminates combinatorial explosion (8 topologies vs hundreds)
- Consequences: extensible, correct, but breaking change
- Implementation strategy and migration plan
- Backwards compatibility via aliases and shims
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2025-11-09 09:31:45 +02:00 |
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