enum_fe_family.h

一个用来实现偏微分方程中网格的计算库

// $Id: enum_fe_family.h 2789 2008-04-13 02:24:40Z roystgnr $

// The libMesh Finite Element Library.
// Copyright (C) 2002-2007  Benjamin S. Kirk, John W. Peterson
  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
  
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef __enum_fe_family_h__
#define __enum_fe_family_h__

// ------------------------------------------------------------
// enum FEFamily definition
namespace libMeshEnums {
  
  /**
   * \enum libMeshEnums::FEFamily defines an \p enum for finite
   * element families. 
   */
                 // vanilla C0 
  enum FEFamily {LAGRANGE     = 0,
		 HIERARCHIC   = 1,

		 // discontinuous, in local coordinates
		 MONOMIAL     = 2,

		 // higher-order 
		 BERNSTEIN    = 3,
		 SZABAB       = 4,

		 // discontinuous, in global coordinates
		 XYZ          = 5,

		 // infinite element stuff
		 INFINITE_MAP = 11,     //   for 1/r-map
		 JACOBI_20_00 = 12,     //   i_max = 19
                 JACOBI_30_00 = 13,     //   i_max = 19
		 LEGENDRE     = 14,     //   i_max = 19

		 // C1 elements
		 CLOUGH       = 21,
		 HERMITE      = 22,
		 
		 INVALID_FE   = 42};

  /**
   * \enum libMeshEnums::FEContinuity defines an \p enum for finite element
   * types to libmesh_assert a certain level (or type? Hcurl?) of continuity.  
   */
  enum FEContinuity {DISCONTINUOUS,
                     C_ZERO,
		     C_ONE};
}

using namespace libMeshEnums;

#endif // #ifndef __enum_fe_family_h__