Main Page   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members  

DiscreteDeltaFn.H

Go to the documentation of this file.
00001 /* _______              __
00002   / ___/ /  ___  __ _  / /  ___
00003  / /__/ _ \/ _ \/  ' \/ _ \/ _ \
00004  \___/_//_/\___/_/_/_/_.__/\___/ 
00005 */
00006 
00007 // DiscreteDeltaFn.H
00008 
00009 //
00010 // This software is copyright (C) by the Lawrence Berkeley
00011 // National Laboratory.  Permission is granted to reproduce
00012 // this software for non-commercial purposes provided that
00013 // this notice is left intact.
00014 // 
00015 // It is acknowledged that the U.S. Government has rights to
00016 // this software under Contract DE-AC03-765F00098 between
00017 // the U.S.  Department of Energy and the University of
00018 // California.
00019 //
00020 // This software is provided as a professional and academic
00021 // contribution for joint exchange. Thus it is experimental,
00022 // is provided ``as is'', with no warranties of any kind
00023 // whatsoever, no support, no promise of updates, or printed
00024 // documentation. By using this software, you acknowledge
00025 // that the Lawrence Berkeley National Laboratory and
00026 // Regents of the University of California shall have no
00027 // liability with respect to the infringement of other
00028 // copyrights by any part of this software.
00029 //
00030 // Dan Martin, Fri, Jan 14, 2000
00031 
00032 #ifndef _DiscreteDeltaFn_H_
00033 #define _DiscreteDeltaFn_H_
00034 
00035 #include "REAL.H"
00036 #include "RealVect.H"
00037 #include "FArrayBox.H"
00038 
00040 
00046 class DiscreteDeltaFn
00047 {
00048 public:
00050   DiscreteDeltaFn() {};
00051   
00053   DiscreteDeltaFn(Real a_epsilon) {};
00054 
00056   virtual ~DiscreteDeltaFn() {};
00057 
00059   virtual void define(Real a_epsilon) = 0;
00060 
00062   virtual Real epsilon() const = 0;
00063 
00065   virtual DiscreteDeltaFn* clone() const = 0;
00066 
00068   virtual Real evaluateDelta(Real a_radius) const = 0;
00069 
00071   virtual Real integralDelta(Real a_radius) const = 0;
00072   
00074   virtual Real computeK(RealVect& a_radius, int a_idir, int a_jdir) const = 0;
00075 
00077 
00080   virtual void sumForce(FArrayBox& a_sum, 
00081                         const RealVect& a_force,
00082                         const Box& a_box,
00083                         const RealVect& a_position,
00084                         const RealVect& a_origin,
00085                         Real a_dx) const = 0;
00086 
00087 
00088 
00090 
00095   virtual void sumForce(FArrayBox& a_sum, 
00096                         const RealVect& a_force,
00097                         const Box& a_box,
00098                         int a_dir, 
00099                         int a_destComp,
00100                         const RealVect& a_position,
00101                         const RealVect& a_origin,
00102                         Real a_dx) const = 0;
00103 
00104   
00106   virtual Real computeLapDelta(Real a_radius) const = 0;
00107 
00108 };
00109    
00110 
00111 
00112 #endif

Generated on Wed Jan 19 17:51:24 2005 for Chombo&INSwithParticles by doxygen1.2.16