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polonsky_keer_rey.hh
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rTAMAAS tamaas
polonsky_keer_rey.hh
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016-2017 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas 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.
*
* Tamaas 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 Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __POLONSKY_KEER_REY_HH__
#define __POLONSKY_KEER_REY_HH__
/* -------------------------------------------------------------------------- */
#include "contact_solver.hh"
#include "meta_functional.hh"
#include "tamaas.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
class
PolonskyKeerRey
:
public
ContactSolver
{
public
:
/// Types of algorithm (primal/dual) or constraint
enum
type
{
gap
,
pressure
};
public
:
/// Constructor
PolonskyKeerRey
(
Model
&
model
,
GridBase
<
Real
>&
surface
,
Real
tolerance
,
type
variable_type
,
type
constraint_type
);
/// Destructor
~
PolonskyKeerRey
();
public
:
/// Solve
Real
solve
(
Real
target
);
/// Mean on unsaturated constraint zone
Real
meanOnUnsaturated
(
const
GridBase
<
Real
>&
field
)
const
;
/// Compute squared norm
Real
computeSquaredNorm
(
const
GridBase
<
Real
>&
field
);
/// Update search direction
void
updateSearchDirection
(
Real
factor
);
/// Compute critical step
Real
computeCriticalStep
(
Real
target
=
0
);
/// Update primal and check non-admissible state
bool
updatePrimal
(
Real
step
);
/// Compute error/stopping criterion
Real
computeError
();
protected
:
type
variable_type
,
constraint_type
;
GridBase
<
Real
>*
primal
;
GridBase
<
Real
>*
dual
;
GridBase
<
Real
>*
search_direction
;
GridBase
<
Real
>*
projected_search_direction
;
functional
::
MetaFunctional
functional
;
};
__END_TAMAAS__
#endif
// __POLONSKY_KEER_REY_HH__
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