constltp_axw.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/constltp_axw.h,v 1.4 2017/01/12 14:46:09 masarati Exp $ */
/*
 * MBDyn (C) is a multibody analysis code.
 * http://www.mbdyn.org
 *
 * Copyright (C) 1996-2017
 *
 * Pierangelo Masarati  <masarati@aero.polimi.it>
 * Paolo Mantegazza     <mantegazza@aero.polimi.it>
 *
 * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
 * via La Masa, 34 - 20156 Milano, Italy
 * http://www.aero.polimi.it
 *
 * Changing this copyright notice is forbidden.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation (version 2 of the License).
 *
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* Legami costitutivi */

#ifndef CONSTLTP_AXW_H
#define CONSTLTP_AXW_H

#include "constltp_impl.h"

/* AxialCLWrapper - begin */

class AxialCLWrapper
: public ConstitutiveLaw<Vec3, Mat3x3> {
private:
        ConstitutiveLaw<doublereal, doublereal> *m_pCL;
        const Vec3 m_v;
        Vec3 m_F_0;
        Mat3x3 m_FDE_0;

public:
        AxialCLWrapper(ConstitutiveLaw<doublereal, doublereal> *pCL, const Vec3& v)
        : m_pCL(pCL), m_v(v), m_F_0(v), m_FDE_0(v.Tens())
        { 
                NO_OP;
        };

        virtual
        ~AxialCLWrapper(void) {
                NO_OP;
        };

        ConstLawType::Type GetConstLawType(void) const {
                return m_pCL->GetConstLawType();
        };

        virtual
        ConstitutiveLaw<Vec3, Mat3x3>* pCopy(void) const {
                ConstitutiveLaw<Vec3, Mat3x3>* pCL = 0;

                SAFENEWWITHCONSTRUCTOR(pCL,
                        AxialCLWrapper,
                        AxialCLWrapper(m_pCL->pCopy(), m_v));

                return pCL;
        };

        virtual std::ostream&
        Restart(std::ostream& out) const {
                out << "axial wrap, " << m_v << ", ";
                return m_pCL->Restart(out);
        };

        virtual void
        Update(const Vec3& Eps, const Vec3& EpsPrime = mb_zero<Vec3>()) {
                ConstitutiveLaw<Vec3, Mat3x3>::Epsilon = Eps;
                ConstitutiveLaw<Vec3, Mat3x3>::EpsilonPrime = EpsPrime;

                m_pCL->Update(m_v*Eps, m_v*EpsPrime);

                ConstitutiveLaw<Vec3, Mat3x3>::F = m_F_0*m_pCL->GetF();

                if (GetConstLawType() & ConstLawType::ELASTIC) {
                        ConstitutiveLaw<Vec3, Mat3x3>::FDE = m_FDE_0*m_pCL->GetFDE();
                }

                if (GetConstLawType() & ConstLawType::VISCOUS) {
                        ConstitutiveLaw<Vec3, Mat3x3>::FDEPrime = m_FDE_0*m_pCL->GetFDEPrime();
                }
        };

        virtual void AfterConvergence(const Vec3& Eps, const Vec3& EpsPrime = mb_zero<Vec3>()) {
                m_pCL->AfterConvergence(m_v*Eps, m_v*EpsPrime);
        };
};

struct AxialCLR : public ConstitutiveLawRead<Vec3, Mat3x3> {
        virtual ConstitutiveLaw<Vec3, Mat3x3> *
        Read(const DataManager* pDM, MBDynParser& HP, ConstLawType::Type& CLType) {
                Vec3 v(HP.GetVec3());
                doublereal d = v.Norm();
                v /= d;

                ConstitutiveLaw<Vec3, Mat3x3>* pCL = 0;
                SAFENEWWITHCONSTRUCTOR(pCL,
                        AxialCLWrapper,
                        AxialCLWrapper(HP.GetConstLaw1D(CLType), v));

                return pCL;
        };
};

/* AxialCLWrapper - end */

#endif // CONSTLTP_IMPL_H