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test_material_linear_elastic_generic.cc
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rMUSPECTRE µSpectre
test_material_linear_elastic_generic.cc
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/**
* @file test_material_linear_elastic_generic.cc
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 21 Sep 2018
*
* @brief test for the generic linear elastic law
*
* Copyright © 2018 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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 Lesser General Public License
* along with µSpectre; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* * Boston, MA 02111-1307, USA.
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining it
* with proprietary FFT implementations or numerical libraries, containing parts
* covered by the terms of those libraries' licenses, the licensors of this
* Program grant you additional permission to convey the resulting work.
*/
#include "tests.hh"
#include "materials/material_linear_elastic_generic1.hh"
#include "materials/materials_toolbox.hh"
#include <boost/mpl/list.hpp>
namespace
muSpectre
{
BOOST_AUTO_TEST_SUITE
(
material_linear_elastic_generic
);
template
<
Dim_t
Dim
>
struct
MatFixture
{
using
Mat_t
=
MaterialLinearElasticGeneric1
<
Dim
,
Dim
>
;
using
T2_t
=
Eigen
::
Matrix
<
Real
,
Dim
,
Dim
>
;
using
T4_t
=
T4Mat
<
Real
,
Dim
>
;
using
V_t
=
Eigen
::
Matrix
<
Real
,
vsize
(
Dim
),
vsize
(
Dim
)
>
;
constexpr
static
Real
lambda
{
2
},
mu
{
1.5
};
constexpr
static
Real
get_lambda
()
{
return
lambda
;
}
constexpr
static
Real
get_mu
()
{
return
mu
;
}
constexpr
static
Real
young
{
mu
*
(
3
*
lambda
+
2
*
mu
)
/
(
lambda
+
mu
)};
constexpr
static
Real
poisson
{
lambda
/
(
2
*
(
lambda
+
mu
))};
using
Hooke
=
MatTB
::
Hooke
<
Dim
,
T2_t
,
T4_t
>
;
MatFixture
()
:
C_voigt
{
get_C_voigt
()},
mat
(
"material"
,
this
->
C_voigt
)
{}
static
V_t
get_C_voigt
()
{
V_t
C
{};
C
.
setZero
();
C
.
template
topLeftCorner
<
Dim
,
Dim
>
().
setConstant
(
get_lambda
());
C
.
template
topLeftCorner
<
Dim
,
Dim
>
()
+=
2
*
get_mu
()
*
T2_t
::
Identity
();
constexpr
Dim_t
Rest
{
vsize
(
Dim
)
-
Dim
};
using
Rest_t
=
Eigen
::
Matrix
<
Real
,
Rest
,
Rest
>
;
C
.
template
bottomRightCorner
<
Rest
,
Rest
>
()
+=
get_mu
()
*
Rest_t
::
Identity
();
return
C
;
}
V_t
C_voigt
;
Mat_t
mat
;
};
using
mats
=
boost
::
mpl
::
list
<
MatFixture
<
twoD
>
,
MatFixture
<
threeD
>>
;
BOOST_FIXTURE_TEST_CASE_TEMPLATE
(
C_test
,
Fix
,
mats
,
Fix
)
{
const
auto
ref_C
{
Fix
::
Hooke
::
compute_C_T4
(
Fix
::
get_lambda
(),
Fix
::
get_mu
())};
Real
error
{(
ref_C
-
Fix
::
mat
.
get_C
()).
norm
()};
BOOST_CHECK_LT
(
error
,
tol
);
if
(
not
(
error
<
tol
))
{
std
::
cout
<<
"ref:"
<<
std
::
endl
<<
ref_C
<<
std
::
endl
;
std
::
cout
<<
"new:"
<<
std
::
endl
<<
Fix
::
mat
.
get_C
()
<<
std
::
endl
;
}
}
BOOST_AUTO_TEST_SUITE_END
();
}
// namespace muSpectre
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