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paperlab_equation_dimensional_audit

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Audit equations, dimensions, symbols, notation, and formula variants in PaperLab books. Use when technical chapters contain equations, units, and engineering correlations that must remain consistent across chapters.

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Source SKILL.md: https://github.com/equinor/neqsim/blob/HEAD/neqsim-paperlab/skills/paperlab_equation_dimensional_audit/SKILL.md

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PaperLab Equation Dimensional Audit

When to Use

USE WHEN: reviewing equations, formula notation, unit consistency, or repeated technical correlations in an engineering textbook.

Pair with:

  • paperlab_scientific_traceability_audit for equation provenance,
  • neqsim_in_writing for implementation links,
  • paperlab_standards_clause_traceability for standards-based formulas.

Audit Dimensions

DimensionCheck
symboldefined near first use or in nomenclature
unitstated and dimensionally plausible
sourcecitation, standard, derivation, or implementation link
assumptionvalid range or simplification stated
duplicaterepeated formula uses same notation or explains differences
implementationNeqSim method/test link when used computationally

Workflow

  1. Extract display equations delimited by $...$ and inline formulas using $...$ when they contain engineering symbols.
  2. Normalize symbols and compare against nomenclature.yaml.
  3. Check units and dimensions where possible.
  4. Detect conflicting definitions such as q for heat duty and volumetric flow in the same chapter without clarification.
  5. Detect formula variants that need an assumptions note.
  6. Recommend nomenclature additions and local text fixes.

Output Pattern

## Equation Audit: <chapter>

- Status: ready | minor-revision | major-revision | blocked
- Undefined symbols:
  - <symbol and equation context>
- Unit issues:
  - <quantity and suspected issue>
- Formula variants:
  - <formula family and recommended distinction>
- Recommended next edit: <one concrete action>

Safety Rules

  • Do not declare an equation wrong from notation alone.
  • Treat approximate teaching equations as acceptable when assumptions are clear.
  • Never invent standards clauses or citations for equations.
when they contain engineering symbols.\n2. Normalize symbols and compare against `nomenclature.yaml`.\n3. Check units and dimensions where possible.\n4. Detect conflicting definitions such as `q` for heat duty and volumetric flow\n in the same chapter without clarification.\n5. Detect formula variants that need an assumptions note.\n6. Recommend nomenclature additions and local text fixes.\n\n## Output Pattern\n\n```markdown\n## Equation Audit: \u003cchapter>\n\n- Status: ready | minor-revision | major-revision | blocked\n- Undefined symbols:\n - \u003csymbol and equation context>\n- Unit issues:\n - \u003cquantity and suspected issue>\n- Formula variants:\n - \u003cformula family and recommended distinction>\n- Recommended next edit: \u003cone concrete action>\n```\n\n## Safety Rules\n\n- Do not declare an equation wrong from notation alone.\n- Treat approximate teaching equations as acceptable when assumptions are clear.\n- Never invent standards clauses or citations for equations."}],"versionEndpoint":"/skill/api/version"}