www.pudn.com > simulator.zip > General_integral_Newmark.cpp

#include "General_ext.h" 
 
/*------------------------------------------------------------------------*/ 
/* class : Integration_Newmark                                            */ 
/*------------------------------------------------------------------------*/ 
class Integration_Newmark : virtual public Time_Integration_scheme 
{     public : 
	     virtual void previous(void); 
	     virtual void method(void); 
      private : 
	     force  App_force_i[MAX_CTRL_CHAN]; // integral of App_force[] 
	     motion s          [MAX_CTRL_CHAN], // integral of Displ[] 
                s_p        [MAX_CTRL_CHAN]; // _p for previous step 
}; 
 
/**************************************************************************/ 
/* class member function : Integration_Newmark::previous                  */ 
/**************************************************************************/ 
void Integration_Newmark::previous(void) 
{ 
   for(int i=0 ; i