SnappyHexMesh¶

Generates an OpenFOAM snappyHexMeshDict file for automated mesh generation with castellated mesh, surface snapping, and boundary layer addition.

Type: openFOAM.mesh.SnappyHexMesh

Parameters¶

Parameter	Type	Description
`castellatedMesh`	boolean	Enable castellated mesh step
`snap`	boolean	Enable surface snapping step
`addLayers`	boolean	Enable boundary layer addition
`castellatedMeshControls`	object	Controls for the castellated mesh step
`snapControls`	object	Controls for the snapping step
`addLayersControls`	object	Controls for boundary layer addition
`meshQualityControls`	object	Mesh quality criteria

Castellated Mesh Controls¶

Field	Type	Description
`maxLocalCells`	integer	Max cells per processor during refinement
`maxGlobalCells`	integer	Max total cells
`minRefinementCells`	integer	Min cells to refine
`nCellsBetweenLevels`	integer	Buffer layers between refinement levels
`refinementSurfaces`	object	Surface refinement settings
`refinementRegions`	object	Volume refinement regions
`locationInMesh`	array	Point `[x, y, z]` inside the mesh domain

Snap Controls¶

Field	Type	Description
`nSmoothPatch`	integer	Smoothing iterations
`tolerance`	number	Snapping distance tolerance
`nSolveIter`	integer	Mesh displacement solver iterations
`nRelaxIter`	integer	Snapping relaxation iterations

Add Layers Controls¶

Field	Type	Description
`layers`	object	Per-patch layer settings
`relativeSizes`	boolean	Use relative layer sizes
`expansionRatio`	number	Layer expansion ratio
`finalLayerThickness`	number	Thickness of the final layer
`minThickness`	number	Minimum layer thickness

Output¶

Field	Description
`Result`	The rendered `snappyHexMeshDict` file content

Example¶

{
    "SnappyHexMesh": {
        "Execution": {
            "input_parameters": {
                "castellatedMesh": true,
                "snap": true,
                "addLayers": true,
                "castellatedMeshControls": {
                    "maxLocalCells": 100000,
                    "maxGlobalCells": 2000000,
                    "minRefinementCells": 10,
                    "nCellsBetweenLevels": 3,
                    "locationInMesh": [0.5, 0.5, 0.5]
                },
                "snapControls": {
                    "nSmoothPatch": 3,
                    "tolerance": 2.0,
                    "nSolveIter": 30,
                    "nRelaxIter": 5
                },
                "meshQualityControls": {
                    "maxNonOrtho": 65,
                    "maxBoundarySkewness": 20
                }
            }
        },
        "type": "openFOAM.mesh.SnappyHexMesh"
    }
}