cl_GM_EoS_Idgas.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 BELFEM_CL_GM_EOS_IDGAS_HPP
#define BELFEM_CL_GM_EOS_IDGAS_HPP
 
#include "typedefs.hpp"
#include "cl_GM_EoS.hpp"
 
namespace belfem
{
    namespace gasmodels
    {
//----------------------------------------------------------------------------

        class EoS_Idgas : public EoS
        {
//----------------------------------------------------------------------------
        public:
//----------------------------------------------------------------------------
 
            EoS_Idgas( Gas & aParent );
 
//----------------------------------------------------------------------------
 
            ~EoS_Idgas() = default;
 
//----------------------------------------------------------------------------
 
            void
            remix();
 
//----------------------------------------------------------------------------
// Thermodynamic State
//----------------------------------------------------------------------------
 
            real
            p( const real T, const real v ) const;
 
            real
            v( const real T, const real p ) const;
 
            real
            T( const real p, const real v ) const;
 
//----------------------------------------------------------------------------
// State Derivatives
//----------------------------------------------------------------------------
 
            real
            dpdT( const real T, const real v ) const;
 
//----------------------------------------------------------------------------
 
            real
            d2pdT2( const real T, const real v ) const;
 
//----------------------------------------------------------------------------
 
            real
            dpdv( const real T, const real v ) const;
 
//----------------------------------------------------------------------------
 
            real
            d2pdv2( const real T, const real v ) const;
 
//------------------------------------------------------------------------------
// Thermodynamic Coefficients
//------------------------------------------------------------------------------
 
            real
            alpha( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            beta( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            kappa( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
// Departure Functions
//------------------------------------------------------------------------------
 
            real
            hdep( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            cpdep( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            sdep( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            dhdepdp( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            // temperature derivative of entropy departure
            real
            dsdepdT( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            // pressure derivative of entropy departure
            real
            dsdepdp( const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            hdep0( const real T ) const;
 
//------------------------------------------------------------------------------
 
            real
            cpdep0( const real T ) const;
 
//------------------------------------------------------------------------------
 
            real
            sdep0( const real T ) const;
 
//------------------------------------------------------------------------------
 
            // temperature derivative of entropy departure
            real
            dsdepdT0( const real T ) const;
 
//------------------------------------------------------------------------------
 
            void
            eval_critical_point( real & T, real & p, real & v ) const;
 
//------------------------------------------------------------------------------
// Component Volume and Departure Functions
//------------------------------------------------------------------------------
 
            real
            v( const uint aIndex, const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            hdep( const uint aIndex, const real T, const real p ) const;
 
//------------------------------------------------------------------------------
 
            real
            cpdep( const uint aIndex, const real T, const real p ) const;
 
//------------------------------------------------------------------------------
        };
//------------------------------------------------------------------------------
    } /* namespace gasmodels */
} /* namespace belfem */
#endif //BELFEM_CL_GM_EOS_IDGAS_HPP