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introvoyz042

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/*--------------------------------*- C++ -*----------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  dev
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
FoamFile
{
    format      ascii;
    class       dictionary;
    location    "system";
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

// Which of the steps to run
castellatedMesh true;
snap            true;
addLayers       true;


// Geometry. Definition of all surfaces. All surfaces are of class
// surface.
// Surfaces are used
// - to specify refinement for any mesh cell intersecting it
// - to specify refinement for any mesh cell inside/outside/near
// - to 'snap' the mesh boundary to the surface
geometry
{
    igloo
    {
        type sphere;
        centre (3 3 0);
        radius 4;
    }

    box1
    {
        type box;
        min (0 0 0);
        max (1 1 1);
    }

    twoFridgeFreezers
    {
        type collection;

        mergeSubRegions true;

        seal
        {
            surface box1;
            scale (1.0 1.0 2.1);
            transform
            {
                coordinateSystem
                {
                    type    cartesian;
                    origin  (2 2 0);
                    coordinateRotation
                    {
                        type    axesRotation;
                        e1      (1 0 0);
                        e3      (0 0 1);
                    }
                }
            }
        }
        herring
        {
            surface box1;
            scale (1.0 1.0 2.1);
            transform
            {
                coordinateSystem
                {
                    type    cartesian;
                    origin  (3.5 3 0);
                    coordinateRotation
                    {
                        type    axesRotation;
                        e1      (1 0 0);
                        e3      (0 0 1);
                    }
                }
            }
        }
    }
};



// Settings for the castellatedMesh generation.
castellatedMeshControls
{

    // Refinement parameters
    // ~~~~~~~~~~~~~~~~~~~~~

    // If local number of cells is >= maxLocalCells on any processor
    // switches from from refinement followed by balancing
    // (current method) to (weighted) balancing before refinement.
    maxLocalCells 100000;

    // Overall cell limit (approximately). Refinement will stop immediately
    // upon reaching this number so a refinement level might not complete.
    // Note that this is the number of cells before removing the part which
    // is not 'visible' from the keepPoint. The final number of cells might
    // actually be a lot less.
    maxGlobalCells 2000000;

    // The surface refinement loop might spend lots of iterations refining just a
    // few cells. This setting will cause refinement to stop if <= minimumRefine
    // are selected for refinement. Note: it will at least do one iteration
    // (unless the number of cells to refine is 0)
    minRefinementCells 100;

    // Number of buffer layers between different levels.
    // 1 means normal 2:1 refinement restriction, larger means slower
    // refinement.
    nCellsBetweenLevels 1;



    // Explicit feature edge refinement
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    // Specifies a level for any cell intersected by its edges.
    // This is a featureEdgeMesh, read from constant/geometry for now.
    features
    (
        {
            file "fridgeA.eMesh";
            levels ((0.01 3));
        }
    );



    // Surface based refinement
    // ~~~~~~~~~~~~~~~~~~~~~~~~

    // Specifies two levels for every surface. The first is the minimum level,
    // every cell intersecting a surface gets refined up to the minimum level.
    // The second level is the maximum level. Cells that 'see' multiple
    // intersections where the intersections make an
    // angle > resolveFeatureAngle get refined up to the maximum level.

    refinementSurfaces
    {
        twoFridgeFreezers
        {
            // Surface-wise min and max refinement level
            level (2 2);

            regions
            {
                // Region-wise override
                "cook.*"
                {
                    level (3 3);
                }
            }

            // Optional specification of patch type (default is wall). No
            // constraint types (cyclic, symmetry) etc. are allowed.
            patchInfo
            {
                type        wall;
            }
        }

        "iglo.*"
        {
            // Surface-wise min and max refinement level
            level (1 1);

            // Optional specification of patch type (default is wall). No
            // constraint types (cyclic, symmetry) etc. are allowed.
            patchInfo
            {
                type        wall;
            }
        }
    }

    // Resolve sharp angles on fridges
    resolveFeatureAngle 60;


    // Mesh selection
    // ~~~~~~~~~~~~~~

    // After refinement patches get added for all refinementSurfaces and
    // all cells intersecting the surfaces get put into these patches. The
    // section reachable from the insidePoint is kept.
    // NOTE: This point should never be on a face, always inside a cell, even
    // after refinement.
    insidePoint (3 0.28 0.43);


    // Whether any faceZones (as specified in the refinementSurfaces)
    // are only on the boundary of corresponding cellZones or also allow
    // free-standing zone faces. Not used if there are no faceZones.
    allowFreeStandingZoneFaces true;
}



// Settings for the snapping.
snapControls
{
    //- Number of patch smoothing iterations before finding correspondence
    //  to surface
    nSmoothPatch 3;

    //- Relative distance for points to be attracted by surface feature point
    //  or edge. True distance is this factor times local
    //  maximum edge length.
    tolerance 2.0;

    //- Number of mesh displacement relaxation iterations.
    nSolveIter 30;

    //- Maximum number of snapping relaxation iterations. Should stop
    //  before upon reaching a correct mesh.
    nRelaxIter 5;


    // Feature snapping

        //- Number of feature edge snapping iterations.
        //  Leave out altogether to disable.
        nFeatureSnapIter 10;

        //- Detect (geometric) features by sampling the surface (default=false)
        implicitFeatureSnap true;

        //- Use castellatedMeshControls::features (default = true)
        explicitFeatureSnap false;
}



// Settings for the layer addition.
addLayersControls
{
    // Are the thickness parameters below relative to the undistorted
    // size of the refined cell outside layer (true) or absolute sizes (false).
    relativeSizes true;

    // Per final patch (so not geometry!) the layer information
    layers
    {
        "two.*"
        {
            nSurfaceLayers 3;
        }
        igloo
        {
            nSurfaceLayers 1;
        }
    }

    // Expansion factor for layer mesh
    expansionRatio 1.0;

    // Wanted thickness of final added cell layer. If multiple layers
    // is the thickness of the layer furthest away from the wall.
    // Relative to undistorted size of cell outside layer.
    // See relativeSizes parameter.
    finalLayerThickness 0.5;

    // Minimum thickness of cell layer. If for any reason layer
    // cannot be above minThickness do not add layer.
    // Relative to undistorted size of cell outside layer.
    // See relativeSizes parameter.
    minThickness 0.25;

    // If points get not extruded do nGrow layers of connected faces that are
    // also not grown. This helps convergence of the layer addition process
    // close to features.
    // Note: changed(corrected) w.r.t 17x! (didn't do anything in 17x)
    nGrow 0;


    // Advanced settings

    // When not to extrude surface. 0 is flat surface, 90 is when two faces
    // are perpendicular
    featureAngle 100;

    // At non-patched sides allow mesh to slip if extrusion direction makes
    // angle larger than slipFeatureAngle. Default is 0.5*featureAngle.
    slipFeatureAngle 30;

    // Maximum number of snapping relaxation iterations. Should stop
    // before upon reaching a correct mesh.
    nRelaxIter 5;

    // Number of smoothing iterations of surface normals
    nSmoothSurfaceNormals 1;

    // Number of smoothing iterations of interior mesh movement direction
    nSmoothNormals 3;

    // Smooth layer thickness over surface patches
    nSmoothThickness 10;

    // Stop layer growth on highly warped cells
    maxFaceThicknessRatio 0.5;

    // Reduce layer growth where ratio thickness to medial
    // distance is large
    maxThicknessToMedialRatio 0.3;

    // Angle used to pick up medial axis points
    // Note: changed(corrected) w.r.t 16x! 90 degrees corresponds to 130 in 16x.
    minMedianAxisAngle 90;

    // Create buffer region for new layer terminations
    nBufferCellsNoExtrude 0;

    // Overall max number of layer addition iterations. The mesher will exit
    // if it reaches this number of iterations; possibly with an illegal
    // mesh.
    nLayerIter 50;
}



// Generic mesh quality settings. At any undoable phase these determine
// where to undo.
meshQualityControls
{
    #include "meshQualityDict"
}


// Advanced

// Merge tolerance. Is fraction of overall bounding box of initial mesh.
// Note: the write tolerance needs to be higher than this.
mergeTolerance 1e-6;


// ************************************************************************* //

	/--------------------------------- C++ -----------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Version: dev
	\\/ M anipulation \|
	\---------------------------------------------------------------------------/
	FoamFile
	{
	format ascii;
	class dictionary;
	location "system";
	object snappyHexMeshDict;
	}
	// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

	// Which of the steps to run
	castellatedMesh true;
	snap true;
	addLayers true;


	// Geometry. Definition of all surfaces. All surfaces are of class
	// surface.
	// Surfaces are used
	// - to specify refinement for any mesh cell intersecting it
	// - to specify refinement for any mesh cell inside/outside/near
	// - to 'snap' the mesh boundary to the surface
	geometry
	{
	igloo
	{
	type sphere;
	centre (3 3 0);
	radius 4;
	}

	box1
	{
	type box;
	min (0 0 0);
	max (1 1 1);
	}

	twoFridgeFreezers
	{
	type collection;

	mergeSubRegions true;

	seal
	{
	surface box1;
	scale (1.0 1.0 2.1);
	transform
	{
	coordinateSystem
	{
	type cartesian;
	origin (2 2 0);
	coordinateRotation
	{
	type axesRotation;
	e1 (1 0 0);
	e3 (0 0 1);
	}
	}
	}
	}
	herring
	{
	surface box1;
	scale (1.0 1.0 2.1);
	transform
	{
	coordinateSystem
	{
	type cartesian;
	origin (3.5 3 0);
	coordinateRotation
	{
	type axesRotation;
	e1 (1 0 0);
	e3 (0 0 1);
	}
	}
	}
	}
	}
	};



	// Settings for the castellatedMesh generation.
	castellatedMeshControls
	{

	// Refinement parameters
	// ~~~~~~~~~~~~~~~~~~~~~

	// If local number of cells is >= maxLocalCells on any processor
	// switches from from refinement followed by balancing
	// (current method) to (weighted) balancing before refinement.
	maxLocalCells 100000;

	// Overall cell limit (approximately). Refinement will stop immediately
	// upon reaching this number so a refinement level might not complete.
	// Note that this is the number of cells before removing the part which
	// is not 'visible' from the keepPoint. The final number of cells might
	// actually be a lot less.
	maxGlobalCells 2000000;

	// The surface refinement loop might spend lots of iterations refining just a
	// few cells. This setting will cause refinement to stop if <= minimumRefine
	// are selected for refinement. Note: it will at least do one iteration
	// (unless the number of cells to refine is 0)
	minRefinementCells 100;

	// Number of buffer layers between different levels.
	// 1 means normal 2:1 refinement restriction, larger means slower
	// refinement.
	nCellsBetweenLevels 1;



	// Explicit feature edge refinement
	// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

	// Specifies a level for any cell intersected by its edges.
	// This is a featureEdgeMesh, read from constant/geometry for now.
	features
	(
	{
	file "fridgeA.eMesh";
	levels ((0.01 3));
	}
	);



	// Surface based refinement
	// ~~~~~~~~~~~~~~~~~~~~~~~~

	// Specifies two levels for every surface. The first is the minimum level,
	// every cell intersecting a surface gets refined up to the minimum level.
	// The second level is the maximum level. Cells that 'see' multiple
	// intersections where the intersections make an
	// angle > resolveFeatureAngle get refined up to the maximum level.

	refinementSurfaces
	{
	twoFridgeFreezers
	{
	// Surface-wise min and max refinement level
	level (2 2);

	regions
	{
	// Region-wise override
	"cook.*"
	{
	level (3 3);
	}
	}

	// Optional specification of patch type (default is wall). No
	// constraint types (cyclic, symmetry) etc. are allowed.
	patchInfo
	{
	type wall;
	}
	}

	"iglo.*"
	{
	// Surface-wise min and max refinement level
	level (1 1);

	// Optional specification of patch type (default is wall). No
	// constraint types (cyclic, symmetry) etc. are allowed.
	patchInfo
	{
	type wall;
	}
	}
	}

	// Resolve sharp angles on fridges
	resolveFeatureAngle 60;


	// Mesh selection
	// ~~~~~~~~~~~~~~

	// After refinement patches get added for all refinementSurfaces and
	// all cells intersecting the surfaces get put into these patches. The
	// section reachable from the insidePoint is kept.
	// NOTE: This point should never be on a face, always inside a cell, even
	// after refinement.
	insidePoint (3 0.28 0.43);


	// Whether any faceZones (as specified in the refinementSurfaces)
	// are only on the boundary of corresponding cellZones or also allow
	// free-standing zone faces. Not used if there are no faceZones.
	allowFreeStandingZoneFaces true;
	}



	// Settings for the snapping.
	snapControls
	{
	//- Number of patch smoothing iterations before finding correspondence
	// to surface
	nSmoothPatch 3;

	//- Relative distance for points to be attracted by surface feature point
	// or edge. True distance is this factor times local
	// maximum edge length.
	tolerance 2.0;

	//- Number of mesh displacement relaxation iterations.
	nSolveIter 30;

	//- Maximum number of snapping relaxation iterations. Should stop
	// before upon reaching a correct mesh.
	nRelaxIter 5;


	// Feature snapping

	//- Number of feature edge snapping iterations.
	// Leave out altogether to disable.
	nFeatureSnapIter 10;

	//- Detect (geometric) features by sampling the surface (default=false)
	implicitFeatureSnap true;

	//- Use castellatedMeshControls::features (default = true)
	explicitFeatureSnap false;
	}



	// Settings for the layer addition.
	addLayersControls
	{
	// Are the thickness parameters below relative to the undistorted
	// size of the refined cell outside layer (true) or absolute sizes (false).
	relativeSizes true;

	// Per final patch (so not geometry!) the layer information
	layers
	{
	"two.*"
	{
	nSurfaceLayers 3;
	}
	igloo
	{
	nSurfaceLayers 1;
	}
	}

	// Expansion factor for layer mesh
	expansionRatio 1.0;

	// Wanted thickness of final added cell layer. If multiple layers
	// is the thickness of the layer furthest away from the wall.
	// Relative to undistorted size of cell outside layer.
	// See relativeSizes parameter.
	finalLayerThickness 0.5;

	// Minimum thickness of cell layer. If for any reason layer
	// cannot be above minThickness do not add layer.
	// Relative to undistorted size of cell outside layer.
	// See relativeSizes parameter.
	minThickness 0.25;

	// If points get not extruded do nGrow layers of connected faces that are
	// also not grown. This helps convergence of the layer addition process
	// close to features.
	// Note: changed(corrected) w.r.t 17x! (didn't do anything in 17x)
	nGrow 0;


	// Advanced settings

	// When not to extrude surface. 0 is flat surface, 90 is when two faces
	// are perpendicular
	featureAngle 100;

	// At non-patched sides allow mesh to slip if extrusion direction makes
	// angle larger than slipFeatureAngle. Default is 0.5*featureAngle.
	slipFeatureAngle 30;

	// Maximum number of snapping relaxation iterations. Should stop
	// before upon reaching a correct mesh.
	nRelaxIter 5;

	// Number of smoothing iterations of surface normals
	nSmoothSurfaceNormals 1;

	// Number of smoothing iterations of interior mesh movement direction
	nSmoothNormals 3;

	// Smooth layer thickness over surface patches
	nSmoothThickness 10;

	// Stop layer growth on highly warped cells
	maxFaceThicknessRatio 0.5;

	// Reduce layer growth where ratio thickness to medial
	// distance is large
	maxThicknessToMedialRatio 0.3;

	// Angle used to pick up medial axis points
	// Note: changed(corrected) w.r.t 16x! 90 degrees corresponds to 130 in 16x.
	minMedianAxisAngle 90;

	// Create buffer region for new layer terminations
	nBufferCellsNoExtrude 0;

	// Overall max number of layer addition iterations. The mesher will exit
	// if it reaches this number of iterations; possibly with an illegal
	// mesh.
	nLayerIter 50;
	}



	// Generic mesh quality settings. At any undoable phase these determine
	// where to undo.
	meshQualityControls
	{
	#include "meshQualityDict"
	}


	// Advanced

	// Merge tolerance. Is fraction of overall bounding box of initial mesh.
	// Note: the write tolerance needs to be higher than this.
	mergeTolerance 1e-6;


	// ************************************************************************* //