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siforce.hpp

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00001 //************************************************************************************//
00002 // Module       : siforce.hpp
00003 // Date         : 12/4/02 (DLR)
00004 // Copyright    : 2002-2006 Copyright University Corporation for Atmospheric
00005 //                Research
00006 // Description  : Encapsulates the methods and data associated with
00007 //                defining a (collocated) forcing function. This
00008 //                is the base class for all such forcing funtions.
00009 // Derived From : none
00010 // Modifications:
00011 //************************************************************************************//
00012 #if !defined(SIFORCE_HPP)
00013 #define SIFORCE_HPP 
00014 
00015 #include "gtvector.hpp"
00016 #include "elem2d.hpp"
00017 
00018 
00019 class SIForce
00020 {
00021 
00022 public:
00023                            SIForce();
00024                            SIForce(Elem2D *e);
00025                           ~SIForce();
00026 
00027 virtual  GVector           Accel (GDOUBLE time, GINT  idir)=0 ; 
00028 virtual  GBOOL             Accel(GDOUBLE time, GINT  idir, GVector &ret)=0 ; 
00029 virtual  GBOOL             Initialize(){return TRUE;} ; 
00030 virtual  void              SetElem(Elem2D *e);
00031          void              SetTimeStep(const GDOUBLE t); 
00032          void              SetDensity(const GDOUBLE d) ;
00033 
00034 protected:
00035 
00036          GINT              rank_;
00037          GINT              idims_[3];
00038          GINT              NN_;
00039          GDOUBLE             dt_;
00040          GDOUBLE             rho_;
00041          Elem2D            *elem;
00042 };
00043 
00044 #endif

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