# Hydrodynamics Coefficient Database JSON

> Sub-skill of hydrodynamics: Coefficient Database JSON (+1).

- Skill: `vamseeachanta/hydrodynamics-coefficient-database-json` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/hydrodynamics-coefficient-database-json`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/hydrodynamics-coefficient-database-json/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/hydrodynamics-coefficient-database-json

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# Coefficient Database JSON (+1)

## Coefficient Database JSON


```json
{
  "vessel_name": "FPSO",
  "frequencies_rad_s": [0.1, 0.2, 0.3],
  "added_mass": {
    "0.1": [[1.2e6, 0, 0, 0, 1.5e7, 0], ...],
    "0.2": [[1.1e6, 0, 0, 0, 1.4e7, 0], ...]
  },
  "damping": {
    "0.1": [[2.5e5, 0, 0, 0, 3.2e6, 0], ...],
    "0.2": [[2.8e5, 0, 0, 0, 3.5e6, 0], ...]
  }
}
```

## Wave Spectrum CSV


```csv
frequency_rad_s,frequency_hz,period_s,spectral_density
0.314,0.050,20.0,0.123
0.628,0.100,10.0,2.456
0.942,0.150,6.67,1.234
```