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acurnier_2D_1.cc
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Thu, Aug 15, 03:29
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rAKA akantu
acurnier_2D_1.cc
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/**
* @file acurnier_2D_1.cc
*
* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
*
* @date creation: Mon Sep 15 2014
* @date last modification: Sun Oct 19 2014
*
* @brief This file implements the first simple test suggested by Alain Curnier
* for the verification of the implicit contact implementation of the Augmented
* lagrangian formulation
*
* @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 "contact_impl.hh"
using
namespace
akantu
;
int
main
(
int
argc
,
char
*
argv
[])
{
// set dimension
static
const
UInt
dim
=
2
;
// type definitions
typedef
SolidMechanicsModel
model_type
;
typedef
Contact
<
dim
,
MasterAssignator
,
SelectResolution
<
_static
,
_augmented_lagrangian
>
>
contact_type
;
initialize
(
"material.dat"
,
argc
,
argv
);
// create meshes
Mesh
mesh
(
dim
);
// read meshes
mesh
.
read
(
"acurnier_2D_1.msh"
);
// create models
model_type
model
(
mesh
);
SolidMechanicsModelOptions
opt
(
_static
);
MeshDataMaterialSelector
<
std
::
string
>
material_selector
(
"physical_names"
,
model
);
model
.
setMaterialSelector
(
material_selector
);
// initialize material
model
.
initFull
(
opt
);
model
.
updateCurrentPosition
();
// create data structure that holds contact data
contact_type
cd
(
argc
,
argv
,
model
);
// set Paraview output resluts
model
.
setBaseName
(
"contact"
);
model
.
addDumpFieldVector
(
"displacement"
);
mesh
.
createGroupsFromMeshData
<
std
::
string
>
(
"physical_names"
);
cd
.
addSlave
(
4
);
cd
.
addArea
(
4
,
1.0
);
// add master surface to find pairs
cd
.
searchSurface
(
"Contact"
);
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
0.
,
_x
),
"Top"
);
// fix entire contact body
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
0.
,
_x
),
"Bottom"
);
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
0.
,
_y
),
"Bottom"
);
Real
U
=
0.5
;
Real
Du
=
0.01
;
for
(
Real
u
=
Du
;
u
<=
U
;
u
+=
Du
)
{
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
-
u
,
_y
),
"Top"
);
// solve contact step (no need to call solve on the model object)
solveContactStep
<
_generalized_newton
>
(
cd
);
}
cout
<<
"Force: "
<<
cd
.
getForce
()
<<
endl
;
// finalize simulation
finalize
();
return
EXIT_SUCCESS
;
}
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