Agent skill
orcaflex-operability
Perform operability analysis combining multiple sea states to assess system availability and weather downtime. Generate operability envelopes, critical heading analysis, and downtime calculations from wave scatter diagrams.
Install this agent skill to your Project
npx add-skill https://github.com/vamseeachanta/workspace-hub/tree/main/.claude/skills/engineering/marine-offshore/orcaflex/operability
SKILL.md
Orcaflex Operability
When to Use
- Operability envelope generation for mooring systems
- Weather downtime calculations from scatter diagrams
- Critical heading identification for design loads
- Multi-sea-state analysis (1yr, 10yr, 100yr return periods)
- Tension limit assessment (intact vs damaged conditions)
- Annual operational availability studies
- Polar coordinate visualization of system limits
Prerequisites
- OrcaFlex simulation results (.sim files) for multiple headings
- Wave scatter diagram (Hs-Tp probability matrix)
- Python environment with
digitalmodelpackage installed - Tension limits for intact and damaged conditions
Python API
Basic Operability Analysis
from digitalmodel.orcaflex.operability_analysis import OperabilityAnalyzer
# Initialize analyzer
analyzer = OperabilityAnalyzer(
simulation_directory="results/.sim/",
output_directory="reports/operability/"
)
# Generate operability envelope
*See sub-skills for full details.*
### Weather Downtime Calculation
```python
from digitalmodel.orcaflex.operability_analysis import OperabilityAnalyzer
import pandas as pd
analyzer = OperabilityAnalyzer(
simulation_directory="results/.sim/",
output_directory="reports/"
)
# Load wave scatter diagram
*See sub-skills for full details.*
### Critical Headings Analysis
```python
from digitalmodel.orcaflex.operability_analysis import OperabilityAnalyzer
analyzer = OperabilityAnalyzer(
simulation_directory="results/.sim/",
output_directory="reports/"
)
# Identify critical headings
critical = analyzer.generate_critical_headings_report(
*See sub-skills for full details.*
### Comprehensive Report Generation
```python
from digitalmodel.orcaflex.operability_analysis import OperabilityAnalyzer
analyzer = OperabilityAnalyzer(
simulation_directory="results/.sim/",
output_directory="reports/"
)
# Generate comprehensive HTML report with all analyses
report_path = analyzer.generate_comprehensive_report(
*See sub-skills for full details.*
## Related Skills
- [orcaflex-modeling](../orcaflex-modeling/SKILL.md) - Run OrcaFlex simulations
- [orcaflex-post-processing](../orcaflex-post-processing/SKILL.md) - Extract results
- [orcaflex-extreme-analysis](../orcaflex-extreme-analysis/SKILL.md) - Extreme value extraction
- [mooring-design](../mooring-design/SKILL.md) - Mooring system design
## References
- API RP 2SK: Design and Analysis of Stationkeeping Systems
- DNV-OS-E301: Position Mooring
- ISO 19901-7: Stationkeeping Systems
- Source: `src/digitalmodel/modules/orcaflex/operability_analysis.py`
## Sub-Skills
- [Basic Operability Configuration (+1)](basic-operability-configuration/SKILL.md)
- [Simulation Setup (+2)](simulation-setup/SKILL.md)
## Sub-Skills
- [Error Handling](error-handling/SKILL.md)
## Sub-Skills
- [Version Metadata](version-metadata/SKILL.md)
- [[1.0.0] - 2026-01-17](100-2026-01-17/SKILL.md)
- [Operability Workflow](operability-workflow/SKILL.md)
- [Operability Envelope Plot (+2)](operability-envelope-plot/SKILL.md)
- [CSV Matrix Format](csv-matrix-format/SKILL.md)
- [With OrcaFlex Modeling (+1)](with-orcaflex-modeling/SKILL.md)
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