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PhysIBC.H

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//
// This software is copyright (C) by the Lawrence Berkeley
// National Laboratory.  Permission is granted to reproduce
// this software for non-commercial purposes provided that
// this notice is left intact.
//
// It is acknowledged that the U.S. Government has rights to
// this software under Contract DE-AC03-765F00098 between
// the U.S.  Department of Energy and the University of
// California.
//
// This software is provided as a professional and academic
// contribution for joint exchange. Thus it is experimental,
// is provided ``as is'', with no warranties of any kind
// whatsoever, no support, no promise of updates, or printed
// documentation. By using this software, you acknowledge
// that the Lawrence Berkeley National Laboratory and
// Regents of the University of California shall have no
// liability with respect to the infringement of other
// copyrights by any part of this software.
//

//  PhysIBC.H
// ============
//
// Virtual base class through which a user specifies the initial and boundary
// conditions for a hyperbolic system of PDEs.
//

#ifndef _PHYSIBC_H
#define _PHYSIBC_H

#include "FArrayBox.H"
#include "REAL.H"
#include "LevelData.H"
#include "ProblemDomain.H"


class PhysIBC
{
public:

  PhysIBC();


  virtual ~PhysIBC() {};


  virtual void define(const ProblemDomain& a_domain,
                      const Real&          a_dx);


  virtual PhysIBC* new_physIBC() = 0;


  virtual void fluxBC(FArrayBox&            a_F,
                      const FArrayBox&      a_W,
                      const FArrayBox&      a_Wextrap,
                      const int&            a_dir,
                      const Side::LoHiSide& a_side,
                      const Real&           a_time) = 0;


  virtual void setBdrySlopes(FArrayBox&       a_dW,
                             const FArrayBox& a_W,
                             const int&       a_dir,
                             const Real&      a_time) = 0;


  virtual void artViscBC(FArrayBox&       a_F,
                         const FArrayBox& a_U,
                         const FArrayBox& a_divVel,
                         const int&       a_dir,
                         const Real&      a_time);


  virtual void initialize(LevelData<FArrayBox>& a_U) = 0;

protected:
  // define() has been called
  bool          m_isDefined;

  // The current level's problem domain
  ProblemDomain m_domain;

  // The current level's grid spacing
  Real          m_dx;

private:
  // Disallowed for all the usual reasons
  void operator=(const PhysIBC& a_input)
  {
    MayDay::Error("invalid operator");
  }

  // Disallowed for all the usual reasons
  PhysIBC(const PhysIBC& a_input)
  {
    MayDay::Error("invalid operator");
  }
};

#endif

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