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1 : // The libMesh Finite Element Library. 2 : // Copyright (C) 2002-2025 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 5040 : QuadShell4 (Elem * p=nullptr) : 44 176334 : Quad4(p) {} 45 : 46 : QuadShell4 (QuadShell4 &&) = delete; 47 : QuadShell4 (const QuadShell4 &) = delete; 48 : QuadShell4 & operator= (const QuadShell4 &) = delete; 49 : QuadShell4 & operator= (QuadShell4 &&) = delete; 50 186414 : virtual ~QuadShell4() = default; 51 : 52 : /** 53 : * \returns \p QUADSHELL4. 54 : */ 55 4127465 : virtual ElemType type () const override { return QUADSHELL4; } 56 : }; 57 : 58 : } // namespace libMesh 59 : 60 : #endif