cl_BhCurve.hpp

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/*
 * BELFEM -- The Berkeley Lab Finite Element Framework
 * Copyright (c) 2026, The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory (subject to receipt of any required
 * approvals from the U.S. Dept. of Energy).  All rights reserved.
 *
 * Developers: Christian Messe, Gregory Giard
 *
 * See the top-level LICENSE file for the complete license and disclaimer.
 */
 
#ifndef CL_BHCURVE_HPP
#define CL_BHCURVE_HPP
#include "typedefs.hpp"
 
namespace belfem
{
    namespace material
    {
//------------------------------------------------------------------------------

        class BhCurve
        {
//------------------------------------------------------------------------------
        protected:
//------------------------------------------------------------------------------
            const proc_t mCommRank ;   
            const string mPath ;      
            const string mLabel ;     
 
 
 
//------------------------------------------------------------------------------
        public:
//------------------------------------------------------------------------------

            BhCurve( const string & aPath, const string & aLabel );

            virtual ~BhCurve() = default ;

            virtual real
            nu( const real B ) const;

            virtual real
            mu( const real H ) const ;

            virtual void
            dmudH( const real H, real & mu, real & dmudH ) const ;

            real
            B( const real H ) const;

            real
            H( const real B ) const ;
 
        };
 
//------------------------------------------------------------------------------
 
        inline real
        BhCurve::B( const real H ) const
        {
            return this->mu( H ) * H ;
        }
 
        inline real
        BhCurve::H( const real B ) const
        {
            return this->nu( B ) * B ;
        }
 
//------------------------------------------------------------------------------
    }
}
#endif //CL_BHCURVE_HPP