orcaflex-rao-import

Import RAO (Response Amplitude Operator) data from external sources including AQWA, OrcaFlex, and CSV files. Includes validation, interpolation, and conversion for OrcaFlex vessel type creation.

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Repository: vamseeachanta/workspace-hub
Last source activity: May 4, 2026 at 15:05
Detected SKILL.md language: English
Stars: 16
Forks: 7

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Orcaflex Rao Import

When to Use

Import RAOs from ANSYS AQWA analysis

Extract RAOs from existing OrcaFlex models

Import RAOs from experimental data (CSV/Excel)

Validate RAO data quality

Interpolate RAOs to new frequency/heading grids

Create OrcaFlex vessel types with imported RAOs

Python API

Basic RAO Import

from digitalmodel.marine_ops.marine_analysis.rao_processor import RAOProcessor # Initialize processor processor = RAOProcessor() # Import from AQWA rao_data = processor.import_from_aqwa( file_path="data/vessel.lis", vessel_name="FPSO" *See sub-skills for full details.* ### AQWA File Reading ```python from digitalmodel.marine_ops.marine_analysis.aqwa_reader import AQWAReader # Initialize reader reader = AQWAReader() # Read AQWA .lis file aqwa_data = reader.read_lis_file("data/vessel_aqwa.lis") # Extract motion RAOs *See sub-skills for full details.* ### OrcaFlex RAO Reading ```python from digitalmodel.marine_ops.marine_analysis.orcaflex_reader import OrcaFlexRAOReader # Initialize reader reader = OrcaFlexRAOReader() # Read from OrcaFlex model rao_data = reader.read_from_model("models/vessel_model.yml") # Or read from vessel type definition rao_data = reader.read_vessel_type("data/vessel_types/fpso_type.yml")

RAO Validation

from digitalmodel.marine_ops.marine_analysis.rao_validators import RAOValidator # Initialize validator validator = RAOValidator() # Define validation limits limits = { "surge": 10.0, : , *See sub-skills full details.* ```python digitalmodel.marine_ops.marine_analysis.rao_interpolator RAOInterpolator interpolator = RAOInterpolator() target_frequencies = np.linspace(, , ) target_headings = np.arange(, , ) *See sub-skills full details.* ```python digitalmodel.marine_ops.marine_analysis.rao_processor RAOProcessor processor = RAOProcessor() processor.export_to_orcaflex( rao_data, output_file=, vessel_name=, *See sub-skills full details.* ```python digitalmodel.marine_ops.marine_analysis.rao_processor RAOProcessor digitalmodel.marine_ops.marine_analysis.rao_validators RAOValidator digitalmodel.marine_ops.marine_analysis.rao_interpolator RAOInterpolator processor = RAOProcessor() raw_raos = processor.import_from_aqwa() *See sub-skills full details.* - [orcaflex-modeling](../orcaflex-modeling/SKILL.md) - Apply imported RAOs - [orcawave/analysis](../orcawave/analysis/SKILL.md) - Generate RAOs diffraction - [aqwa-analysis](../aqwa-analysis/SKILL.md) - AQWA-specific processing - [hydrodynamics](../hydrodynamics/SKILL.md) - Hydrodynamic coefficient management - OrcaFlex: Vessel RAO Data - ANSYS AQWA: Output File Formats - Source: `src/digitalmodel/modules/marine_analysis/rao_processor.py` - Source: `src/digitalmodel/modules/marine_analysis/aqwa_reader.py` - Source: `src/digitalmodel/modules/marine_analysis/orcaflex_reader.py` - User Story: `.ai/specs/modules/user-story-rao-data--processing-md` - [Basic Import Configuration (+)](basic--configuration/SKILL.md) - [Data Quality (+)](data-quality/SKILL.md) - [Error Handling](error-handling/SKILL.md) - [Version Metadata](version-metadata/SKILL.md) - [[] - -01-](--01-/SKILL.md) - [Supported Formats](supported-formats/SKILL.md) - [-DOF Motion RAOs](-dof-motion-raos/SKILL.md) - [OrcaFlex YAML Format (+)](orcaflex-yaml-/SKILL.md) - [AQWA Import (+)](aqwa-/SKILL.md)