electromagnetics.hpp

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// Copyright (c) 2010-2024, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-806117.
//
// This file is part of the MFEM library. For more information and source code
// availability visit https://mfem.org.
//
// MFEM is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
 
#ifndef MFEM_ELECTROMAGNETICS_HPP
#define MFEM_ELECTROMAGNETICS_HPP
 
namespace mfem
{
 
namespace electromagnetics
{
 
// Physical Constants
 
// Permittivity of Free Space (units F/m)
static const real_t epsilon0_ = 8.8541878176e-12;
 
// Permeability of Free Space (units H/m)
static const real_t mu0_ = 4.0e-7*M_PI;
 
} // namespace electromagnetics
 
} // namespace mfem
 
#endif // MFEM_ELECTROMAGNETICS_HPP