1 // The libMesh Finite Element Library. 2 // Copyright (C) 2002-2020 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner 3 4 // This library is free software; you can redistribute it and/or 5 // modify it under the terms of the GNU Lesser General Public 6 // License as published by the Free Software Foundation; either 7 // version 2.1 of the License, or (at your option) any later version. 8 9 // This library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 // Lesser General Public License for more details. 13 14 // You should have received a copy of the GNU Lesser General Public 15 // License along with this library; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 18 #ifndef LIBMESH_FACE_QUAD4_SHELL_H 19 #define LIBMESH_FACE_QUAD4_SHELL_H 20 21 #include "face_quad4.h" 22 23 namespace libMesh 24 { 25 26 /** 27 * QuadShell4 is almost identical to Quad4. The only difference is 28 * with the type of boundary data we store for this case. We need this 29 * "stub" class in order to differentiate between this class and other 30 * classes when reading/writing Mesh files. 31 * 32 * \author David Knezevic 33 * \date 2016 34 * \brief A 2D quadrilateral shell element with 4 nodes. 35 */ 36 class QuadShell4 : public Quad4 37 { 38 public: 39 /** 40 * Constructor. By default this element has no parent. 41 */ 42 explicit 43 QuadShell4 (Elem * p=nullptr) : Quad4(p)44 Quad4(p) {} 45 46 QuadShell4 (QuadShell4 &&) = delete; 47 QuadShell4 (const QuadShell4 &) = delete; 48 QuadShell4 & operator= (const QuadShell4 &) = delete; 49 QuadShell4 & operator= (QuadShell4 &&) = delete; 50 virtual ~QuadShell4() = default; 51 52 /** 53 * \returns \p QUADSHELL4. 54 */ type()55 virtual ElemType type () const override { return QUADSHELL4; } 56 }; 57 58 } // namespace libMesh 59 60 #endif 61