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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkFEMMaterialLinearElasticity_h
#define itkFEMMaterialLinearElasticity_h
#include "itkFEMMaterialBase.h"
#include "ITKFEMExport.h"
namespace itk
{
namespace fem
{
/**
* \class MaterialLinearElasticity
* \brief Linear elasticity material class
*
* This class includes material and other kind of properties required to
* define material properties of finite elements applied to linear
* elasticity problems in FEM toolkit.
* \ingroup ITKFEM
*/
class ITKFEM_EXPORT MaterialLinearElasticity : public Material
{
public:
/** Standard class type aliases. */
using Self = MaterialLinearElasticity;
using Superclass = Material;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkSimpleNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(MaterialLinearElasticity);
/** CreateAnother method will clone the existing instance of this type,
* including its internal member variables. */
itk::LightObject::Pointer
CreateAnother() const override;
/**
* Default constructor only initializes the members.
*/
MaterialLinearElasticity();
/**
* Set cross-sectional area
*/
void
SetCrossSectionalArea(double area);
/**
* Get cross-sectional area
*/
double
GetCrossSectionalArea() const;
/**
* Set youngs/elastic modulus
*/
void
SetYoungsModulus(double modulus);
/**
* Get youngs/elastic modulus
*/
double
GetYoungsModulus() const;
/**
* Set thickness - for 2D plane stress/strain problems
*/
void
SetThickness(double t);
/**
* Get thickness - for 2D plane stress/strain problems
*/
double
GetThickness() const;
/**
* Set Moment of inertia - for beam elements
*/
void
SetMomentOfInertia(double iner);
/**
* Get Moment of inertia - for beam elements
*/
double
GetMomentOfInertia() const;
/**
* Set poisson's ratio
*/
void
SetPoissonsRatio(double poi);
/**
* Get poisson's ratio
*/
double
GetPoissonsRatio() const;
/**
* Set density heat product
*/
void
SetDensityHeatProduct(double dhp);
/**
* Get density heat product
*/
double
GetDensityHeatProduct() const;
protected:
void
PrintSelf(std::ostream & os, Indent indent) const override;
/* Data members of MaterialLinearElasticity class */
/**
* Young modulus
*/
double m_YoungModulus{ 100.0 };
/**
* Cross section area of a line element
*/
double m_CrossSectionalArea{ 1.0 }; //
/**
* Moment of inertia
*/
double m_MomentOfInertia{ 1.0 };
/**
* Poisson's ratio
*/
double m_PoissonRatio{ 0.2 };
/**
* Thickness
*/
double m_Thickness{ 1.0 };
/*
* ... we can add properties here as required without the influence on the already defined elements
*/
/**
* Density times Heat Capacity
*/
double m_DensityHeatCapacity{ 1.0 };
};
} // end namespace fem
} // end namespace itk
#endif // itkFEMMaterialLinearElasticity_h
|
