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polonsky_keer_tan.hh
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Mon, Oct 7, 01:42
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rTAMAAS tamaas
polonsky_keer_tan.hh
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __POLONSKY_KEER_TAN_HH__
#define __POLONSKY_KEER_TAN_HH__
/* -------------------------------------------------------------------------- */
#include "kato.hh"
/* -------------------------------------------------------------------------- */
namespace
tamaas
{
class
PolonskyKeerTan
:
public
Kato
{
public
:
/// Constructor
PolonskyKeerTan
(
Model
&
model
,
const
GridBase
<
Real
>&
surface
,
Real
tolerance
,
Real
mu
);
public
:
/// Solve with Coulomb friction
Real
solve
(
GridBase
<
Real
>&
p0
);
/// Solve with Tresca friction
Real
solveTresca
(
GridBase
<
Real
>&
p0
);
private
:
/// Template for solve function
template
<
model_type
type
>
Real
solveTmpl
(
GridBase
<
Real
>&
p0
,
bool
use_tresca
=
false
);
/// Enforce pressure mean
template
<
UInt
comp
>
void
enforcePressureMean
(
GridBase
<
Real
>&
p0
);
/// Compute mean of field (only on I_c)
template
<
UInt
comp
>
Vector
<
Real
,
comp
>
computeMean
(
GridBase
<
Real
>&
field
,
bool
on_c
);
/// Compute squared norm
Real
computeSquaredNorm
(
GridBase
<
Real
>&
field
);
/// Restrict search direction on I_c
template
<
UInt
comp
>
void
truncateSearchDirection
(
bool
on_c
);
/// Compute optimal step size (only on I_c)
template
<
UInt
comp
>
Real
computeStepSize
(
bool
on_c
);
private
:
std
::
unique_ptr
<
GridBase
<
Real
>>
search_direction
=
nullptr
;
std
::
unique_ptr
<
GridBase
<
Real
>>
search_direction_backup
=
nullptr
;
std
::
unique_ptr
<
GridBase
<
Real
>>
projected_search_direction
=
nullptr
;
};
}
// namespace tamaas
#endif
// __POLONSKY_KEER_TAN_HH__
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