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contact_common.hh
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			/**
			* @file contact_common.hh
			*
			* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
			*
			* @date creation: Fri Jan 04 2013
			* @date last modification: Wed Sep 17 2014
			*
			* @brief Forward declarations for contact classes
			*
			* @section LICENSE
			*
			* Copyright (©) 2014 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/>.
			*
			*/

			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_CONTACT_COMMON_HH__
			#define __AKANTU_CONTACT_COMMON_HH__

			#include <map>

			#include "aka_visitor.hh"
			#include <array/expr.hpp>

			#include "cppargparse.hh"

			//#define DEBUG_CONTACT 1

			__BEGIN_AKANTU__

			using std::cout;
			using std::endl;

			typedef array::Array<1, Real> vector_type;
			typedef array::Array<2, Real> matrix_type;

			using array::transpose;

			//! Enumerated type used for the Contact overloaded operator[] that returns real
			// values
			enum Contact_parameter_type {
			Epsilon,
			Alpha,
			Multiplier_tol,
			Newton_tol,
			Multiplier_max_steps,
			Newton_max_steps
			};

			//! Enumerated type used for the Contact overloaded operator[] that returns
			// boolean values
			enum Contact_flag_type {
			Verbose,
			Automatic_penalty_parameter
			};

			//! Discretization types
			enum Discretization_type {
			Node_to_node,
			Node_to_segment,
			Segment_to_segment
			};

			//! Contact type
			enum Contact_type {
			Self_contact,
			No_self_contact
			};

			struct EmptyType {};
			class NullType {};

			//! This functor is called when the visitor is not implemented for a particular
			// object.
			template <class R> struct Discretization_visitor_default {
			template <class T> R operator()(T &t) {
			cout << "* WARNING * No implementation for discretization visitor"
			<< endl;
			}
			};

			template <Discretization_type d> class Contact_discretization;

			typedef Contact_discretization<Node_to_node> N2N_c;
			typedef Contact_discretization<Node_to_segment> N2S_c;
			typedef Contact_discretization<Segment_to_segment> S2S_c;

			template <AnalysisMethod s, ContactResolutionMethod r,
			ContactImplementationMethod i = _none>
			struct SelectResolution {
			constexpr static const AnalysisMethod analysis = s;
			constexpr static const ContactResolutionMethod method = r;
			constexpr static const ContactImplementationMethod implementation = i;
			};

			template <int Dim, AnalysisMethod s, ContactResolutionMethod r>
			class ContactResolution;

			template <int Dim, template <int> class Search_policy, class Resolution_policy>
			class Contact;

			// parsers
			extern cppargparse::ArgumentParser contact_argparser;
			extern Parser contact_parser;

			class ContactParameters {
			protected:
			typedef std::map<Contact_parameter_type, Real> options_map;
			typedef std::map<Contact_flag_type, bool> flag_map;

			options_map options_;
			flag_map flags_;

			public:
			//! Overloaded operator[] (const) that returns real values
			Real operator[](Contact_parameter_type p) const {
			auto it = options_.find(p);
			assert(it != options_.end());
			return it->second;
			}

			//! Overloaded operator[] (non-const) that returns real values
			Real &operator[](Contact_parameter_type p) { return options_[p]; }

			//! Overloaded operator[] (const) that returns flags
			bool operator[](Contact_flag_type f) const {
			auto it = flags_.find(f);
			return it->second;
			}

			//! Overloaded operator[] (non-const) that returns bool values
			bool &operator[](Contact_flag_type p) { return flags_[p]; }

			virtual void initialize() {}
			};

			template <typename T> T Heaviside(T v) { return v < 0 ? 0 : 1; }

			template <typename T> T Macauley(T v) { return v < 0 ? 0 : v; }

			template <typename value_type = Real> array::Array<2, value_type> eye(UInt d) {
			array::Array<2, value_type> I(d);

			for (UInt i = 0; i < d; ++i)
			I(i, i) = 1.;
			return I;
			}

			__END_AKANTU__

			#endif /* __AKANTU_CONTACT_COMMON_HH__ */

rAKA/src/contact/contact_common.hh495126944c1ffeatures/heat_transfer_…

contact_common.hhView Options

rAKA/src/contact/contact_common.hh
495126944c1ffeatures/heat_transfer_…

contact_common.hh
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