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rTAMAAS tamaas
bem_polonski.hh
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/**
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 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 BEM_POLONSKI_H
#define BEM_POLONSKI_H
/* -------------------------------------------------------------------------- */
#include "bem_fft_base.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
class
BemPolonski
:
public
BemFFTBase
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
BemPolonski
(
Surface
<
Real
>
&
p
);
virtual
~
BemPolonski
();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
//! compute the equilibrium situation
Real
computeEquilibrium
(
Real
epsilon
,
Real
pressure
);
Real
computeEquilibriuminit
(
Real
epsilon
,
Real
pressure
,
Surface
<
Real
>
&
init
);
//! compute the mean of the gaps in the contact region
Real
computeMeanGapsInContact
();
//! compute the non zero gap penalty functional
Real
computeG
();
//! update the search direction
void
updateT
(
Real
G
,
Real
Gold
,
Real
delta
);
//! compute the conjugate step size
Real
computeTau
();
//! update the tractions
Real
updateTractions
(
Real
tau
);
//! enforce the applied and contact pressures balance
void
enforcePressureBalance
(
Real
applied_pressure
);
//! compute the gaps
void
computeGaps
();
//! compute the gaps
void
computeTrueDisplacements
();
//! compute F
Real
computeF
();
//! saturation function
Real
saturationFunction
(
Real
alpha
,
Real
applied_pressure
);
//! set saturation pressure
void
setMaxPressure
(
Real
p
)
{
this
->
p_sat
=
p
;}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
//! get the number of iterations
UInt
getNbIterations
()
const
{
return
this
->
nb_iterations
;};
//! get the convergence steps of iterations
const
std
::
vector
<
Real
>
&
getConvergenceIterations
()
const
{
return
this
->
convergence_iterations
;};
Surface
<
Real
>
&
getSurfaceT
(){
return
surface_t
;};
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected
:
//! exploration direction for the polonski algo
Surface
<
Real
>
surface_t
;
//! projected exploration direction for the polonski algo
Surface
<
Real
>
surface_r
;
//! previous pressure
Surface
<
Real
>
pold
;
//! saturation pressure
Real
p_sat
;
//! the rms of heights of the surface
Real
surface_rms_heights
;
};
__END_TAMAAS__
#endif
/* BEM_POLONSKI_H */
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