SpatialDomains.hpp

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////////////////////////////////////////////////////////////////////////////////
//
//  File:  SpatialDomains.hpp
//
//  For more information, please see: http://www.nektar.info/
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//  The MIT License
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//  Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
//  Department of Aeronautics, Imperial College London (UK), and Scientific
//  Computing and Imaging Institute, University of Utah (USA).
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//  Description: Spatial domains definitions and enumerations.
//
////////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_SPATIALDOMAINS_SPATIALDOMAINS_H
#define NEKTAR_SPATIALDOMAINS_SPATIALDOMAINS_H
 
namespace Nektar
{
namespace SpatialDomains
{
/**
 * @brief Indicates the type of element geometry.
 *
 * This property of the element geometry is used to indicate the
 * necessary storage for the element's geometric information and its
 * corresponding computational complexity. In many cases significant
 * savings in both cases can be made based on this information, in
 * comparison to the most generic case.
 */
enum GeomType
{
    eNoGeomType,    ///< No type defined.
    eRegular,       ///< Geometry is straight-sided with constant
                    ///  geometric factors.
    eDeformed,      ///< Geometry is curved or has non-constant factors.
    eMovingRegular, ///< Currently unused.
};
 
/**
 * @brief Indicates if the geometric information for an element has
 *        been populated.
 */
enum GeomState
{
    eNotFilled, ///< Geometric information has not been generated.
    ePtsFilled  ///< Geometric information has been generated.
};
 
/**
 * @brief Principle direction for MMF
 */
enum GeomMMF
{
    eTangentX,         ///< X coordinate direction.
    eTangentY,         ///< Y coordinate direction.
    eTangentXY,        ///< XY direction.
    eTangentZ,         ///< Z coordinate direction.
    eTangentCircular,  ///< Circular around the centre of domain.
    eTangentIrregular, ///< Circular around the centre of domain.
    eTangentNonconvex, ///< Circular around the centre of domain.
    eLOCAL,            ///< No Principal direction.
};
 
/**
 * @brief Session file names associated with tangent principle
 * directions.
 */
const char *const GeomMMFMap[] = {
    "TangentX",        "TangentY",         "TangentXY",        "TangentZ",
    "TangentCircular", "TangentIrregular", "TangentNonconvex", "LOCAL",
};
 
} // namespace SpatialDomains
} // namespace Nektar
 
#endif // NEKTAR_SPATIALDOMAINS_SPATIALDOMAINS_H