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ntn_fricreg_no_regularisation.cc
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ntn_fricreg_no_regularisation.cc
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/**
* @file ntn_fricreg_no_regularisation.cc
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri Mar 16 2018
* @date last modification: Fri Jul 19 2019
*
* @brief implementation of no regularisation
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
// simtools
#include "ntn_fricreg_no_regularisation.hh"
#include "dumper_nodal_field.hh"
#include "dumper_text.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
NTNFricRegNoRegularisation::NTNFricRegNoRegularisation(NTNBaseContact & contact,
const ID & id)
: NTNBaseFriction(contact, id),
frictional_contact_pressure(0, 1, 0., id + ":frictional_contact_pressure",
0., "frictional_contact_pressure") {
AKANTU_DEBUG_IN();
NTNBaseFriction::registerSynchronizedArray(this->frictional_contact_pressure);
this->registerParam("frictional_contact_pressure",
this->frictional_contact_pressure, _pat_internal,
"contact pressure used for friction law");
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
const SynchronizedArray<Real> &
NTNFricRegNoRegularisation::internalGetContactPressure() {
AKANTU_DEBUG_IN();
this->computeFrictionalContactPressure();
AKANTU_DEBUG_OUT();
return this->frictional_contact_pressure;
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::computeFrictionalContactPressure() {
AKANTU_DEBUG_IN();
SolidMechanicsModel & model = this->contact.getModel();
UInt dim = model.getSpatialDimension();
// get contact arrays
const SynchronizedArray<bool> & is_in_contact =
this->internalGetIsInContact();
const Array<Real> & pressure = this->contact.getContactPressure().getArray();
Array<Real>::const_iterator<Vector<Real>> it = pressure.begin(dim);
UInt nb_contact_nodes = this->contact.getNbContactNodes();
for (UInt n = 0; n < nb_contact_nodes; ++n) {
// node pair is NOT in contact
if (!is_in_contact(n)) {
this->frictional_contact_pressure(n) = 0.;
// node pair is in contact
} else {
// compute frictional contact pressure
const Vector<Real> & pres = it[n];
this->frictional_contact_pressure(n) = pres.norm();
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::registerSynchronizedArray(
SynchronizedArrayBase & array) {
AKANTU_DEBUG_IN();
this->frictional_contact_pressure.registerDependingArray(array);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::dumpRestart(
const std::string & file_name) const {
AKANTU_DEBUG_IN();
this->frictional_contact_pressure.dumpRestartFile(file_name);
NTNBaseFriction::dumpRestart(file_name);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::readRestart(const std::string & file_name) {
AKANTU_DEBUG_IN();
this->frictional_contact_pressure.readRestartFile(file_name);
NTNBaseFriction::readRestart(file_name);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::printself(std::ostream & stream,
int indent) const {
AKANTU_DEBUG_IN();
std::string space;
for (Int i = 0; i < indent; i++, space += AKANTU_INDENT) {
;
}
stream << space << "NTNFricRegNoRegularisation [" << std::endl;
NTNBaseFriction::printself(stream, ++indent);
stream << space << "]" << std::endl;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NTNFricRegNoRegularisation::addDumpFieldToDumper(
const std::string & dumper_name, const std::string & field_id) {
AKANTU_DEBUG_IN();
#ifdef AKANTU_USE_IOHELPER
// const SynchronizedArray<UInt> * nodal_filter =
// &(this->contact.getSlaves());
if (field_id == "frictional_contact_pressure") {
this->internalAddDumpFieldToDumper(
dumper_name, field_id,
std::make_unique<dumpers::NodalField<Real>>(
this->frictional_contact_pressure.getArray()));
} else {
NTNBaseFriction::addDumpFieldToDumper(dumper_name, field_id);
}
#endif
AKANTU_DEBUG_OUT();
}
} // namespace akantu

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