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ntn_friclaw_linear_slip_weakening_no_healing_tmpl.hh
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Sun, Jun 30, 13:36

ntn_friclaw_linear_slip_weakening_no_healing_tmpl.hh
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/**
* @file ntn_friclaw_linear_slip_weakening_no_healing_tmpl.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
*
* @brief implementation of linear slip weakening
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
template <class Regularisation>
NTNFricLawLinearSlipWeakeningNoHealing<Regularisation>::
NTNFricLawLinearSlipWeakeningNoHealing(NTNBaseContact * contact,
const FrictionID & id,
const MemoryID & memory_id)
: NTNFricLawLinearSlipWeakening<Regularisation>(contact, id, memory_id) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <class Regularisation>
void NTNFricLawLinearSlipWeakeningNoHealing<
Regularisation>::computeFrictionCoefficient() {
AKANTU_DEBUG_IN();
// get arrays
const SynchronizedArray<Real> & slip = this->internalGetCumulativeSlip();
UInt nb_contact_nodes = this->contact->getNbContactNodes();
for (UInt n = 0; n < nb_contact_nodes; ++n) {
if (slip(n) >= this->d_c(n)) {
this->mu(n) = this->mu_k(n);
} else {
// mu = mu_k + (1 - slip / Dc) * (mu_s - mu_k)
this->mu(n) =
this->mu_k(n) +
(1 - (slip(n) / this->d_c(n))) * (this->mu_s(n) - this->mu_k(n));
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <class Regularisation>
void NTNFricLawLinearSlipWeakeningNoHealing<Regularisation>::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 << "NTNFricLawLinearSlipWeakeningNoHealing [" << std::endl;
NTNFricLawLinearSlipWeakening<Regularisation>::printself(stream, ++indent);
stream << space << "]" << std::endl;
AKANTU_DEBUG_OUT();
}
} // namespace akantu

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