Environmental inputSea state definitionSelect a WaveResponse spectrum model and customize its parameters on the NEMOH RAO frequency grid.
Coordinate systemDirectional conventionsDefaults match the NEMOH RAO output format.
Integrated workflowCalculate wave responseNEMOH RAO and the saved sea state are combined without manual file import.
ResultsResponse catalogAll selected 6DOF and point-response channels.
| Channel | Quantity | Unit | RMS | 4σ | Tz | Tp | Extreme 1h | Extreme 3h |
|---|
ResultsResponse summaryIntegrated spectral response.
ResultsResponse spectraIntegrated frequency spectrum and directional distribution.
ResultsSpectral statisticsMoments, periods, bandwidth, directions and Gaussian extremes.
CertificationFunctional checklistEvery requested response channel is tested after calculation.
ResultsResponse arraysCalculated frequency and one-dimensional response spectrum.
No response calculated.
Multibody offshore simulationGeneric coupled simulationHydroDyn · SeaState · Chrono · MoorDyn-C · Chrono FEA
Runtime foundationSelf-contained solvers
Checking…System architectureCoupled execution graph
SeaStateWaves and kinematics
→HydroDynHydrodynamic loads
→ChronoMulti-body master integrator
MoorDyn-CMooring and connection lines
Chrono FEAFlexible structures
Active projectNo project selected
Not initializedSelect any project and initialize a generic coupled workspace.
Project modelGeneric registries
ReadyHydrodynamic dataBEM → HydroDyn first-order converter
Not generatedNo conversion executed from this screen.
OpenFAST 5.0.0HydroDyn and SeaState SIF build
Not startedWaiting for build status…
Step 01Create or load casePrepare the OpenFOAM directory structure and project metadata.Ready
Loaded configuration
case directoryCase structurenewCase
newCase/ ├── 0/ ├── constant/ └── system/
Step 02Analysis typeDefine the high-level physical problem and select the solver family.Pending
Loaded configuration
system/controlDict + constant/momentumTransportStep 03GeometryImport, transform and validate triangulated geometry.Pending
Loaded configuration
constant/geometry/Not configuredGeometry viewNot configured
Step 04Computational domainDefine the wind-tunnel extents and the internal fluid point.Pending
Loaded configuration
system/blockMeshDictStep 05MeshConfigure background mesh, snapping, refinement and layers.Pending
Loaded configuration
system/snappyHexMeshDictStep 06Regions and patchesReview, classify and rename the patches generated by the mesh.Pending
Loaded configuration
constant/polyMesh/boundaryStep 07MaterialsAssign physical properties to the fluid region.Pending
Loaded configuration
constant/physicalPropertiesStep 08Physics modelsConfigure turbulence, RANS model and wall treatment.Pending
Loaded configuration
constant/momentumTransportStep 09Initial and boundary conditionsConfigure U, p and turbulence fields for every patch.Pending
Loaded configuration
0/U · 0/p · 0/nuTilda · 0/nutPatchTypeUpTurbulence
inletVelocity inletfixedValue · (20 0 0) m/szeroGradientnuTilda = 0.05
outletPressure outletzeroGradientfixedValue · 0 PazeroGradient
Not configuredWallnoSlipzeroGradientwall functions
groundMoving wall(20 0 0) m/szeroGradientwall functions
sides / topSymmetrysymmetrysymmetrysymmetry
Step 10Numerical schemesConfigure discretization schemes in fvSchemes.Pending
Loaded configuration
system/fvSchemesStep 11Solver controlsConfigure linear solvers, SIMPLE and convergence in fvSolution.Pending
Loaded configuration
system/fvSolutionStep 12Run controlsConfigure application, iterations and write controls in controlDict.Pending
Loaded configuration
system/controlDictStep 13ParallelizationConfigure process count and decomposition method.Pending
Loaded configuration
system/decomposeParDictStep 14Case validationRun the complete pre-flight validation before enabling execution.Pending
Loaded configuration
logs/14-checkMesh.logCase structurePending
GeometryPending
Mesh qualityPending
Regions and patchesPending
Materials and modelsPending
Boundary conditionsPending
fvSchemesPending
fvSolutionPending
controlDictPending
Parallel setupPending
Step 15Run simulationExecute OpenFOAM and monitor convergence, forces and logs.Pending
Loaded configuration
logs/15-foamRun-write.logOpenFOAM executionLocked
prepare→decompose→solve→reconstruct
Waiting for validation0%
Case not validated.
Step 16ResultsInspect fields, residuals, forces, plots and reports.Pending
Loaded configuration
150/ + postProcessing/No results availableComplete and run the case to generate pressure, velocity, y+, streamlines and force coefficients.
No meshes loaded.
Step 02
Define hydrodynamic bodies
Define each hydrodynamic body, center of mass, motions, forces and reference point.
Not saved.
No hydrostatic calculation yet.
Step 04Mechanical matricesAll matrices must use the same generalized coordinates and reference points as the body definitions.
Step 05EnvironmentWater properties, depth and wave reference point.
Step 06Post-processingIRF, pressure, Kochin functions, free-surface elevation and RAO.
Step 07Quadratic Transfer FunctionsSecond-order NEMOH settings. Full QTF requires a free-surface mesh.
First OrderBEM solverNumerical parameters used to solve the problems prepared by preProc.
NEMOH executionStarting
preProc→
solver→
postProc
Waiting0%
No run started.
No result data loaded.
NEMOH meshesMesh
Source
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AS
Code_Aster · Structural Analysis
FreeCAD topology → FEM groups → MED 4.0 → COMM
Model
Properties
Conditions
Cases
Ready
No FCStd loaded
0 selectedNo active condition
Select a condition, then click topology in the 3D view.