菜单
Integrate with AQWA hydrodynamic software for RAO computation, damping analysis, and coefficient extraction. Hub skill — delegates to aqwa-input, aqwa-output, aqwa-reference for details.
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| name | aqwa-analysis |
| description | Integrate with AQWA hydrodynamic software for RAO computation, damping analysis, and coefficient extraction. Hub skill — delegates to aqwa-input, aqwa-output, aqwa-reference for details. |
| type | reference |
| version | 4.0.0 |
| updated | "2026-03-16T00:00:00.000Z" |
| category | engineering |
| triggers | ["AQWA analysis","RAO extraction","added mass calculation","damping coefficient","wave diffraction","radiation analysis","AQWA-LINE","AQWA-DRIFT","AQWA-LIBRIUM","AQWA-NAUT"] |
| capabilities | [] |
| requires | [] |
| see_also | ["aqwa-input","aqwa-output","aqwa-reference"] |
| tags | [] |
| scripts_exempt | true |
Hub for ANSYS AQWA hydrodynamic analysis — RAO computation, added mass/damping extraction, coefficient management.
digitalmodel packagefrom digitalmodel.aqwa.aqwa_raos import AqwaRAOs
raos = AqwaRAOs()
raos.load("aqwa_results/vessel.LIS")
surge_rao = raos.get_rao(motion="surge", wave_direction=180.0)
rao_df = raos.to_dataframe()
raos.plot_rao(
motions=["heave", "pitch", "roll"],
directions=[0, 90, 180],
output_file="results/rao_comparison.html"
)
raos.export_orcaflex("vessel_raos.yml")
from digitalmodel.aqwa.aqwa_analysis import AqwaAnalysis
aqwa = AqwaAnalysis()
cfg = {
"aqwa": {
"input_file": "aqwa_results/vessel.LIS",
"extract": ["raos", "added_mass", "damping", "drift_forces"],
"output_directory": "results/"
}
}
results = aqwa.run(cfg)
from digitalmodel.aqwa.aqwa_reader import AqwaReader
reader = AqwaReader()
data = reader.read("aqwa_results/vessel.LIS")
added_mass = data.get_added_mass(0.1) # 6x6 numpy array at ω=0.1 rad/s
damping = data.get_damping(0.1)
from digitalmodel.aqwa.aqwa_preprocess import AqwaPreProcess
preprocess = AqwaPreProcess()
preprocess.generate_input(
vessel_geometry="geometry/hull.stl",
water_depth=1000.0,
wave_frequencies=[0.05, 0.1, 0.15, 0.2, 0.3, 0.5, 0.8, 1.0],
wave_directions=[0, 45, 90, 135, 180],
output_file="aqwa_input/vessel.dat"
)
| Class | Purpose |
|---|---|
AqwaAnalysis | Main analysis router |
AqwaRAOs | RAO computation and export |
AqwaReader | File parsing (LIS, DAT, MES) |
AqwaPreProcess | Input file generation |
AqwaPostProcess | Results post-processing |
AqwaValidator | Result validation |