The platform

Deckhand and our free calculators run on digitalmodel — an open-source library of 7,000+ standard-mapped engineering functions across ~30 disciplines. Library-first, importable, deterministic.

42 standards implemented · 221 S-N curves · every function traces to a clause

What it computes

Structural & Fatigue

  • S-N fatigue (221 curves, 17 standards)
  • Spectral fatigue (Dirlik, Wirsching-Light)
  • Rainflow counting, SCF

Asset Integrity / FFS

  • API 579 Level 1/2 (GML, LML)
  • B31G remaining strength
  • Cathodic protection (DNV-RP-B401)

Subsea Pipeline

  • On-bottom stability (DNV-RP-F109)
  • Wall thickness (DNV-ST-F101)
  • Burst, collapse, combined loading

Hydrodynamics

  • Wave spectra (JONSWAP, Bretschneider…)
  • RAO processing, seakeeping
  • OrcaWave / AQWA bridges

Mooring, Riser & OrcaFlex

  • Catenary & lazy-wave risers
  • VIV and free-span screening
  • OrcaFlex model generation from YAML

Energy Data & Economics

  • BSEE production data & reporting
  • Arps decline curves, EUR
  • NPV / MIRR / IRR field economics

Where it is — and where it's going

We're specific about what's production-ready today versus on the roadmap.

Today

Engineering engine

Typed functions with worked examples and tests from real standard clauses. Same inputs, same outputs.

Next

Agent routing

Natural-language question → correct module, with gap detection. This is what Deckhand is growing into.

Later

Design iteration

Brief → calculation package → checks → refinement. On the roadmap, not claimed as shipped.

Library-first, not locked in a UI

The calculations are functions, not a SaaS login. Agents and automation can import them directly — which is exactly why Deckhand can run them deterministically and trace every result to its source.

View digitalmodel on GitHub See Deckhand