Agent skill
orcawave-analysis
Expert agent for OrcaWave diffraction/radiation analysis with deep expertise in marine hydrodynamics and panel method computations. Use for wave-structure interaction, added mass/damping calculations, QTF computation, and OrcaFlex hydrodynamic database generation.
Install this agent skill to your Project
npx add-skill https://github.com/vamseeachanta/workspace-hub/tree/main/.claude/skills/engineering/marine-offshore/orcawave/analysis
SKILL.md
Orcawave Analysis
When to Use
- Diffraction analysis for wave-structure interaction
- Radiation analysis for added mass and damping
- Multi-body hydrodynamic interactions
- QTF (Quadratic Transfer Function) second-order calculations
- Panel mesh generation and optimization
- Batch processing of multiple configurations
- OrcaFlex hydrodynamic database generation
- Frequency domain marine analysis
Prerequisites
- OrcaWave license (COM API access)
- Python environment with
digitalmodelpackage - Panel mesh geometry files
Python API
Basic Analysis
from digitalmodel.orcawave.orcawave_analysis import OrcaWaveAnalysis
# Initialize analysis
orcawave = OrcaWaveAnalysis()
# Configure analysis
config = {
"vessel_mesh": "geometry/hull_panels.dat",
"water_depth": 1000.0,
*See sub-skills for full details.*
### Batch Processing
```python
from digitalmodel.orcawave.batch import OrcaWaveBatch
# Initialize batch processor
batch = OrcaWaveBatch(parallel=True, max_workers=4)
# Define configurations
configs = [
{"name": "draft_full", "draft": 20.0},
{"name": "draft_ballast", "draft": 12.0},
*See sub-skills for full details.*
### OrcaFlex Integration
```python
from digitalmodel.orcawave.orcaflex_export import OrcaFlexExporter
# Initialize exporter
exporter = OrcaFlexExporter()
# Load OrcaWave results
exporter.load_results("orcawave_results/vessel.dat")
# Export to OrcaFlex hydrodynamic database
*See sub-skills for full details.*
### Mesh Convergence Study
```python
from digitalmodel.orcawave.mesh_study import MeshConvergenceStudy
# Initialize study
study = MeshConvergenceStudy()
# Define mesh sizes to test
mesh_sizes = [2.0, 1.5, 1.0, 0.75, 0.5]
# Run convergence study
*See sub-skills for full details.*
## Related Skills
- [diffraction-analysis](../diffraction-analysis/SKILL.md) - **Master skill** for all diffraction workflows
- [bemrosetta](../bemrosetta/SKILL.md) - AQWA → OrcaFlex conversion with QTF and mesh support
- [orcaflex/modeling](../orcaflex/modeling/SKILL.md) - Apply hydrodynamic database in OrcaFlex
- [aqwa-analysis](../aqwa-analysis/SKILL.md) - AQWA validation and comparison
- [gmsh-meshing](../gmsh-meshing/SKILL.md) - Panel mesh generation
- [hydrodynamics](../hydrodynamics/SKILL.md) - Coefficient management
## References
- Orcina OrcaWave Documentation
- Newman, J.N.: Marine Hydrodynamics
- Faltinsen, O.M.: Sea Loads on Ships and Offshore Structures
- Agent Configuration: `agents/orcawave/agent_config.json`
---
## Version History
- **1.2.0** (2026-02-15): Added production-proven pitfalls (unit traps, result extraction, phase correlation, QTF guard)
- **1.1.0** (2026-01-05): Added AQWA benchmark comparison, peak-focused validation framework, 5% tolerance criteria for significant values
- **1.0.0** (2025-01-02): Initial release from agents/orcawave/ configuration
---
## Sub-Skills
- [Best Practices](best-practices/SKILL.md)
## Sub-Skills
- [Version Metadata](version-metadata/SKILL.md)
- [[1.0.0] - 2026-01-07](100-2026-01-07/SKILL.md)
- [Core Capabilities (+2)](core-capabilities/SKILL.md)
- [Performance Targets](performance-targets/SKILL.md)
- [Standard Analysis (+1)](standard-analysis/SKILL.md)
- [Integration Targets](integration-targets/SKILL.md)
- [Workflow Support](workflow-support/SKILL.md)
- [Swarm Coordination (+2)](swarm-coordination/SKILL.md)
- [License Issues (+1)](license-issues/SKILL.md)
- [OrcFxAPI Result Extraction (+3)](orcfxapi-result-extraction/SKILL.md)
- [DiffractionSpec Conventions (spec.yml to OrcaWave)](diffractionspec-conventions-specyml-to-orcawave/SKILL.md)
- [OrcaWave API Properties Reference](orcawave-api-properties-reference/SKILL.md)
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