Line data Source code
1 : /*
2 : * Copyright (c) 2019-2020: G-CSC, Goethe University Frankfurt
3 : * Author: Arne Naegel
4 : *
5 : * This file is part of UG4.
6 : *
7 : * UG4 is free software: you can redistribute it and/or modify it under the
8 : * terms of the GNU Lesser General Public License version 3 (as published by the
9 : * Free Software Foundation) with the following additional attribution
10 : * requirements (according to LGPL/GPL v3 §7):
11 : *
12 : * (1) The following notice must be displayed in the Appropriate Legal Notices
13 : * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14 : *
15 : * (2) The following notice must be displayed at a prominent place in the
16 : * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17 : *
18 : * (3) The following bibliography is recommended for citation and must be
19 : * preserved in all covered files:
20 : * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21 : * parallel geometric multigrid solver on hierarchically distributed grids.
22 : * Computing and visualization in science 16, 4 (2013), 151-164"
23 : * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24 : * flexible software system for simulating pde based models on high performance
25 : * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26 : *
27 : * This program is distributed in the hope that it will be useful,
28 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 : * GNU Lesser General Public License for more details.
31 : */
32 :
33 : /*
34 : * Finite Volume Element Discretization for an inner BndCond that depends on the unknowns (on the bnd)
35 : *
36 : * This class implements the IElemDisc interface to provide element local
37 : * assemblings for the unknown-dependent Neumann-flux over an inner boundary.
38 : * The equation of this flux and its derivative should be given
39 : * in a concretization of this class.
40 : *
41 : * \tparam TDomain Domain
42 : * \tparam TAlgebra Algebra
43 : */
44 :
45 : #ifndef __H__UG__LIB_DISC__SPACIAL_DISCRETIZATION__ELEM_DISC__DIRAC_SOURCE__LAGRANGE_DIRAC_SOURCE_H__
46 : #define __H__UG__LIB_DISC__SPACIAL_DISCRETIZATION__ELEM_DISC__DIRAC_SOURCE__LAGRANGE_DIRAC_SOURCE_H__
47 :
48 : #include <boost/function.hpp>
49 : #include <vector>
50 : #include <string>
51 : #include <utility> // std::pair
52 :
53 : // other ug4 modules
54 : #include "common/common.h"
55 :
56 : // library intern headers
57 : #include "lib_disc/spatial_disc/elem_disc/elem_disc_interface.h"
58 : #include "lib_disc/spatial_disc/user_data/data_export.h"
59 : #include "lib_disc/spatial_disc/user_data/data_import.h"
60 : #include "lib_disc/spatial_disc/disc_util/fv1_geom.h"
61 :
62 :
63 :
64 :
65 : namespace ug
66 : {
67 :
68 :
69 :
70 : template<typename TDomain>
71 : class DiracSourceDisc
72 : : public IElemDisc<TDomain>
73 : {
74 :
75 : public:
76 : /// Base class type
77 : typedef IElemDisc<TDomain> base_type;
78 :
79 : /// Domain type
80 : typedef typename base_type::domain_type domain_type;
81 :
82 : /// World dimension
83 : static const int dim = base_type::dim;
84 :
85 : static const int _C_ = 0;
86 :
87 : /// Position type
88 : typedef typename base_type::position_type position_type;
89 :
90 : private:
91 : /// own type
92 : typedef DiracSourceDisc<TDomain> this_type;
93 :
94 :
95 : public:
96 :
97 : /// Constructor with c-strings
98 0 : DiracSourceDisc(const char* functions = "", const char* subsets = "")
99 0 : : IElemDisc<TDomain>(functions, subsets), m_bNonRegularGrid(false) /*, m_bCurrElemIsHSlave(false)*/
100 : {
101 : register_all_funcs();
102 0 : }
103 :
104 : /// Constructor with functions
105 0 : DiracSourceDisc(const std::vector<std::string>& functions, const std::vector<std::string>& subsets)
106 0 : : IElemDisc<TDomain>(functions, subsets), m_bNonRegularGrid(false) /*, m_bCurrElemIsHSlave(false)*/
107 : {
108 : register_all_funcs();
109 0 : }
110 :
111 : /// Destructor
112 0 : virtual ~DiracSourceDisc() {};
113 :
114 :
115 :
116 : /// Setting a scaling factor for the flux
117 : void add_source(number scale, MathVector<dim> &srcCoord);
118 : void add_source(SmartPtr<UserData<number, dim> > srcData, MathVector<dim> &srcCoord);
119 : #ifdef UG_FOR_LUA
120 : void add_source(const char* luaScaleFctName, MathVector<dim> &srcCoord);
121 : #endif
122 :
123 : /// Setting a scaling factor for the flux
124 : void add_transport_sink(SmartPtr<UserData<number, dim> > snkData);
125 : void add_transport_sink(number snk);
126 :
127 : #ifdef UG_FOR_LUA
128 : void add_transport_sink(const char* luaScaleFctName);
129 : #endif
130 :
131 : public: // inherited from IElemDisc
132 : /// type of trial space for each function used
133 : virtual void prepare_setting(const std::vector<LFEID>& vLfeID, bool bNonRegularGrid);
134 :
135 : /// returns if hanging nodes are used
136 : virtual bool use_hanging() const;
137 :
138 : protected:
139 :
140 :
141 : /// prepares the loop over all elements
142 : /**
143 : * This method prepares the loop over all elements. It resizes the Position
144 : * array for the corner coordinates and schedules the local ip positions
145 : * at the data imports.
146 : */
147 : template<typename TElem, typename TFVGeom>
148 0 : void prep_elem_loop(const ReferenceObjectID roid, const int si)
149 0 : {}
150 :
151 : /// prepares the element for assembling
152 : /**
153 : * This methods prepares an element for the assembling. The Positions of
154 : * the Element Corners are read and the Finite Volume Geometry is updated.
155 : * The global ip positions are scheduled at the data imports.
156 : */
157 : template<typename TElem, typename TFVGeom>
158 0 : void prep_elem(const LocalVector& u, GridObject* elem, const ReferenceObjectID roid, const MathVector<dim> vCornerCoords[])
159 0 : {}
160 :
161 : /// finishes the loop over all elements
162 : template<typename TElem, typename TFVGeom>
163 0 : void fsh_elem_loop()
164 0 : {}
165 :
166 : /// assembles the local stiffness matrix using a finite volume scheme
167 : template<typename TElem, typename TFVGeom>
168 : void add_jac_A_elem(LocalMatrix& J, const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[]);
169 :
170 : /// assembles the local mass matrix using a finite volume scheme
171 : template<typename TElem, typename TFVGeom>
172 0 : void add_jac_M_elem(LocalMatrix& J, const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[])
173 0 : {}
174 :
175 : /// assembles the stiffness part of the local defect
176 : template<typename TElem, typename TFVGeom>
177 : void add_def_A_elem(LocalVector& d, const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[]);
178 :
179 : /// assembles the mass part of the local defect
180 : template<typename TElem, typename TFVGeom>
181 0 : void add_def_M_elem(LocalVector& d, const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[])
182 0 : {}
183 :
184 : /// assembles the local right hand side
185 : template<typename TElem, typename TFVGeom>
186 : void add_rhs_elem(LocalVector& rhs, GridObject* elem, const MathVector<dim> vCornerCoords[]);
187 :
188 :
189 :
190 : /// prepares the loop over all elements of one type for the computation of the error estimator
191 : template <typename TElem, typename TFVGeom>
192 0 : void prep_err_est_elem_loop(const ReferenceObjectID roid, const int si)
193 0 : { UG_THROW("Not Implemented!"); }
194 :
195 : /// prepares the element for assembling the error estimator
196 : template <typename TElem, typename TFVGeom>
197 0 : void prep_err_est_elem(const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[])
198 0 : { UG_THROW("Not Implemented!"); }
199 :
200 : /// computes the error estimator contribution for one element
201 : template <typename TElem, typename TFVGeom>
202 0 : void compute_err_est_A_elem(const LocalVector& u, GridObject* elem, const MathVector<dim> vCornerCoords[], const number& scale)
203 0 : { UG_THROW("Not Implemented!"); }
204 :
205 : /// postprocesses the loop over all elements of one type in the computation of the error estimator
206 : template <typename TElem, typename TFVGeom>
207 0 : void fsh_err_est_elem_loop()
208 0 : { UG_THROW("Not Implemented!"); }
209 :
210 : private:
211 : SmartPtr<UserData<number, dim> > m_srcData; // source/sink: adding 'source' to rhs
212 : SmartPtr<UserData<number, dim> > m_snkTransportData; // transport sink: subtracting u*sink
213 : MathVector<dim> m_srcCoord;
214 :
215 : private:
216 : void register_all_funcs();
217 :
218 : template <typename TElem, typename TFVGeom>
219 : void register_func();
220 : public:
221 : typedef SmartPtr<CplUserData<number, dim> > NumberExport;
222 :
223 : protected:
224 : /// Export for the concentration
225 : SmartPtr<DataExport<number, dim> > m_exRate;
226 :
227 : private:
228 : bool m_bNonRegularGrid;
229 : // bool m_bCurrElemIsHSlave;
230 : };
231 :
232 : } // namespace ug
233 :
234 : #include "lagrange_dirac_source_impl.h"
235 :
236 :
237 : #endif /*__H__UG__LIB_DISC__SPACIAL_DISCRETIZATION__ELEM_DISC__DIRAC_SOURCE__LAGRANGE_DIRAC_SOURCE__*/
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