1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: VariationalOperatorMuGradUGradV.hpp,v 1.6 2007/06/10 15:03:31 delpinux Exp $
#ifndef VARIATIONAL_OPERATOR_MU_GRADU_GRADV_HPP
#define VARIATIONAL_OPERATOR_MU_GRADU_GRADV_HPP
#include <VariationalBilinearOperator.hpp>
#include <ScalarFunctionBuilder.hpp>
#include <ScalarFunctionBase.hpp>
/**
* @file VariationalOperatorMuGradUGradV.hpp
* @author Stephane Del Pino
* @date Thu May 30 22:14:40 2002
*
* @brief @f$ a(u,v) = \int\mu\nabla u\cdot\nabla v@f$
*
*/
class VariationalMuGradUGradVOperator
: public VariationalBilinearOperator
{
private:
ConstReferenceCounting<ScalarFunctionBase>
__mu; /**< viscosity: @f$\mu@f$ */
public:
/**
*
* Access to @f$\mu@f$
*
* @return __mu
*/
ConstReferenceCounting<ScalarFunctionBase> mu() const
{
return __mu;
}
/**
* "multiplies" the operator by a coefficient
*
* @param c the given coefficient
*
* @return @f$ \int c\mu \nabla u\cdot \nabla v@f$
*/
ReferenceCounting<VariationalBilinearOperator>
operator*(const ConstReferenceCounting<ScalarFunctionBase>& c) const
{
VariationalMuGradUGradVOperator* newOperator
= new VariationalMuGradUGradVOperator(*this);
ScalarFunctionBuilder functionBuilder;
functionBuilder.setFunction(__mu);
functionBuilder.setBinaryOperation(BinaryOperation::product,c);
newOperator->__mu = functionBuilder.getBuiltFunction();
return newOperator;
}
/**
* Constructor
*
* @param unknownNumber unknown number
* @param unknownProperty unknown property
* @param testFunctionNumber test function number
* @param testFunctionProperty test function property
* @param mu viscosity @f$\mu@f$
*/
VariationalMuGradUGradVOperator(const size_t& unknownNumber ,
const VariationalOperator::Property& unknownProperty,
const size_t& testFunctionNumber,
const VariationalOperator::Property& testFunctionProperty,
ConstReferenceCounting<ScalarFunctionBase> mu)
: VariationalBilinearOperator(VariationalBilinearOperator::muGradUGradV,
unknownNumber, unknownProperty,
testFunctionNumber, testFunctionProperty),
__mu(mu)
{
;
}
/**
* Copy constructor
*
* @param V given VariationalMuGradUGradVOperator
*/
VariationalMuGradUGradVOperator(const VariationalMuGradUGradVOperator& V)
: VariationalBilinearOperator(V),
__mu(V.__mu)
{
;
}
/**
* Destructor
*
*/
~VariationalMuGradUGradVOperator()
{
;
}
};
#endif // VARIATIONAL_OPERATOR_MU_GRADU_GRADV_HPP
|
