Published series only — the list comes live from the dataset. The URL updates with your
selection, so it can be bookmarked/shared.
How this report works
This page renders live from the public, de-identified Hugging Face dataset
aceengineer/digitalmodel-diffraction-rao
via the datasets-server API — no result values are baked into the page.
Vessels are referenced only by de-identified vessel_db IDs. Pick a program,
vessel and damping ratio above, or deep-link with
?solver=<AQWA|OrcaWave>&vessel=<vessel_id>&damping=<zeta_pct>.
Data contract & provenance
Dataset
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Tables used
rao · hydrostatics (also the series catalog)
Series filter (where)
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Rows fetched
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Dataset last modified
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Dataset revision (sha)
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License
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Fetched at
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What this analysis is
Potential-flow diffraction analysis: the vessel's six-degree-of-freedom motion
response amplitude operators (RAOs) across wave frequency and heading. Results are
screening-grade — faithful to the solver, de-identified, and not a class-approved design basis.
Key results below are computed in-browser from the fetched rows.
Model and analysis basis
The basis below is auto-detected from the fetched rows; solver attribution and modelling notes
follow the dataset card.
Hydrostatics
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Data-quality & reliability flags
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Six-DOF RAO summary
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Per-DOF response
Amplitude vs wave period, one trace per heading. Headings
0/45/90/135/180° are shown by default — click legend entries to toggle others. Phase plots are collapsed
beneath each DOF.
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Interpretation notes
Damping treatment matters for roll: a series with ζ = 0 % carries no external/viscous
roll damping — its roll-resonance peak is an undamped potential-flow upper bound, not an
operability prediction. Apply an external roll damping model before operational use.
Frequency-band scope: some series are published on a focused band (e.g. refined around
the roll-response band); absence of rows outside the band is by scope, not omission.
Reliability flags travel with the data: rows flagged non-ok
(e.g. undamped_resonance, low_freq_artifact)
should be excluded from downstream use; definitions are on the dataset card.
Phase conventions: published phases use the Orcina lag convention (the export pipeline
normalizes) — verify before phase-level cross-tool comparison.
See the dataset
card for per-vessel data-quality notes and withheld tables. Cross-solver benchmarking lives in
the comparison report.