a482f9a6ce01bccb75413cd1ff212ccf047dd614,trunk/SUAVE/Components/Energy/Networks/Propulsor_Surrogate.py,Propulsor_Surrogate,evaluate_thrust,#Propulsor_Surrogate#Any#,72

Before Change

        
        // Run the surrogate for a range of altitudes
        data_len = len(altitude)
        sfc = np.zeros([data_len,1])  
        thr = np.zeros([data_len,1]) 
        for ii,_ in enumerate(altitude):            
            sfc[ii] = sfc_surrogate.predict([np.array([altitude[ii][0],mach[ii][0],throttle[ii][0]])])    

After Change

        cond = np.hstack([altitude,mach,throttle])
           
        if self.use_extended_surrogate:
            lo_blender = Cubic_Spline_Blender(0, .01)
            hi_blender = Cubic_Spline_Blender(0.99, 1)            
            sfc = self.extended_sfc_surrogate(sfc_surrogate, cond, lo_blender, hi_blender)
            thr = self.extended_thrust_surrogate(thr_surrogate, cond, lo_blender, hi_blender)
        else:
            sfc = sfc_surrogate.predict(cond)
            thr = thr_surrogate.predict(cond)

        sfc = sfc*self.sfc_input_scale*self.sfc_anchor_scale
        thr = thr*self.thrust_input_scale*self.thrust_anchor_scale
       
        F    = thr
        mdot = thr*sfc*self.number_of_engines
       

Instances