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test_detection_extrinsic_3d.cc
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rAKA akantu
test_detection_extrinsic_3d.cc
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/**
* @file test_contact_detection.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Wed Dec 18 2018
* @date last modification: Wed Dec 18 2018
*
* @brief Test for extrinsic detection 3D
*
* @section LICENSE
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "contact_detector.hh"
#include "contact_element.hh"
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
Real
getAnalyticalGap
(
Mesh
&
,
UInt
&
);
const
Real
radius
=
0.5
;
const
UInt
spatial_dimension
=
3
;
using
Elements
=
std
::
vector
<
ContactElement
>
;
int
main
(
int
argc
,
char
*
argv
[])
{
/*initialize("options.dat", argc, argv);
Mesh mesh(spatial_dimension);
mesh.read("extrinsic_3d.msh");
Elements contact_elements;
ContactDetector detector(mesh);
detector.search(contact_elements);
Real epsilon = 1e-5;
for (auto & element: contact_elements) {
auto node = element.getSlave();
auto gap = element.getGap();
auto normal = element.getNormal();
auto analytical_gap = getAnalyticalGap(mesh, node);
std::cerr << "analytical = " << analytical_gap << " computed = " << gap << std::endl;
std::cerr << " normal = " << normal << std::endl;
//if (abs(analytical_gap - gap) <= epsilon) {
// return EXIT_FAILURE;
//}
}*/
return
EXIT_SUCCESS
;
}
Real
getAnalyticalGap
(
Mesh
&
mesh
,
UInt
&
node
)
{
Vector
<
Real
>
pos
(
spatial_dimension
);
Vector
<
Real
>
center
(
spatial_dimension
);
center
(
0
)
=
0.0
;
center
(
1
)
=
0.501
;
center
(
2
)
=
0.0
;
auto
&
positions
=
mesh
.
getNodes
();
for
(
UInt
s:
arange
(
spatial_dimension
))
{
pos
(
s
)
=
positions
(
node
,
s
);
}
Real
distance
=
Math
::
distance_3d
(
pos
.
storage
(),
center
.
storage
());
Real
analytical_gap
=
distance
-
radius
;
return
analytical_gap
;
}
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