dsim_second_order.h

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/*
 *  dsim_second_order.h
 *  DSimEngine2
 *
 *  Created by Joe Mueller on 3/2/2011
 *  Copyright 2011 Princeton Satellite Systems. All rights reserved.
 *
 */

#ifndef __dsim_second_order__
#define __dsim_second_order__

#include "dsim_model.h"

class dsim_second_order : public dsim_model
{
    public:
        dsim_second_order(dsim_model_setup *setup);
        ~dsim_second_order();
        
        void initialize_data();
                                void initialization_complete();
                                void initialize_timestep();
                                void complete_timestep();
        
        void rhs(double t,double jd);
            
    private:
                                
                                // paramters
                                dsim_variable wn;
                                dsim_variable zeta;
                                
                                // inputs
                                dsim_variable u;
                
                                // states
        dsim_variable y;
        dsim_variable yDot;
                
                                // outputs
                                dsim_variable yDotDot;


        
};

#endif