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test_cohesive_intrinsic_tetrahedron_fragmentation.cc
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Thu, Sep 26, 00:41
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rAKA akantu
test_cohesive_intrinsic_tetrahedron_fragmentation.cc
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/**
* @file test_cohesive_intrinsic_tetrahedron_fragmentation.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Wed Oct 09 2013
* @date last modification: Thu Dec 11 2014
*
* @brief Test for cohesive elements
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 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 <fstream>
#include <iostream>
#include <limits>
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model_cohesive.hh"
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
int
main
(
int
argc
,
char
*
argv
[])
{
initialize
(
"material.dat"
,
argc
,
argv
);
// debug::setDebugLevel(dblDump);
ElementType
type
=
_tetrahedron_10
;
const
UInt
spatial_dimension
=
3
;
const
UInt
max_steps
=
100
;
Mesh
mesh
(
spatial_dimension
);
mesh
.
read
(
"tetrahedron_full.msh"
);
SolidMechanicsModelCohesive
model
(
mesh
);
/// model initialization
model
.
initFull
();
model
.
insertIntrinsicElements
();
Real
time_step
=
model
.
getStableTimeStep
()
*
0.8
;
model
.
setTimeStep
(
time_step
);
// std::cout << "Time step: " << time_step << std::endl;
model
.
assembleMassLumped
();
model
.
assembleInternalForces
();
model
.
setBaseName
(
"intrinsic_tetrahedron_fragmentation"
);
model
.
addDumpFieldVector
(
"displacement"
);
model
.
addDumpField
(
"velocity"
);
model
.
addDumpField
(
"acceleration"
);
model
.
addDumpField
(
"internal_force"
);
model
.
addDumpField
(
"stress"
);
model
.
addDumpField
(
"grad_u"
);
model
.
setBaseNameToDumper
(
"cohesive elements"
,
"cohesive_elements_tetrahedron_fragmentation"
);
model
.
addDumpFieldVectorToDumper
(
"cohesive elements"
,
"displacement"
);
model
.
addDumpFieldToDumper
(
"cohesive elements"
,
"damage"
);
model
.
dump
();
model
.
dump
(
"cohesive elements"
);
/// update displacement
UInt
nb_element
=
mesh
.
getNbElement
(
type
);
UInt
nb_nodes
=
mesh
.
getNbNodes
();
UInt
nb_nodes_per_element
=
mesh
.
getNbNodesPerElement
(
type
);
Vector
<
Real
>
bary
(
spatial_dimension
);
const
Array
<
UInt
>
&
connectivity
=
mesh
.
getConnectivity
(
type
);
Array
<
Real
>
&
displacement
=
model
.
getDisplacement
();
Array
<
bool
>
update
(
nb_nodes
);
for
(
UInt
s
=
0
;
s
<
max_steps
;
++
s
)
{
Real
increment
=
s
/
10.
;
update
.
clear
();
for
(
UInt
el
=
0
;
el
<
nb_element
;
++
el
)
{
mesh
.
getBarycenter
({
type
,
el
,
_not_ghost
},
bary
);
for
(
UInt
n
=
0
;
n
<
nb_nodes_per_element
;
++
n
)
{
UInt
node
=
connectivity
(
el
,
n
);
if
(
!
update
(
node
))
{
for
(
UInt
dim
=
0
;
dim
<
spatial_dimension
;
++
dim
)
{
displacement
(
node
,
dim
)
=
increment
*
bary
(
dim
);
update
(
node
)
=
true
;
}
}
}
}
if
(
s
%
10
==
0
)
{
model
.
dump
();
model
.
dump
(
"cohesive elements"
);
}
}
if
(
nb_nodes
!=
nb_element
*
Mesh
::
getNbNodesPerElement
(
type
))
{
std
::
cout
<<
"Wrong number of nodes"
<<
std
::
endl
;
finalize
();
return
EXIT_FAILURE
;
}
finalize
();
std
::
cout
<<
"OK: test_cohesive_intrinsic_tetrahedron was passed!"
<<
std
::
endl
;
return
EXIT_SUCCESS
;
}
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