AEATECHNOLoGY ENGINEERING SOFTWAR CFX4 Basic Concepts General form of equations solved in CFX-4 (Uφ) (rVφ)=S Integrating the equation over the control volume ∫分0m+m0,成-JrV=JS, a transient convection diffusion source CFX-4 CFX4.3V4.3.1H Introductory Training(Dec 1999)CFX-4 Introductory Training (Dec 1999) 8 -2 CFX-4.3 V4.3.1H CFX-4 Basic Concepts General form of equations solved in CFX-4 Integrating the equation over the control volume transient convection diffusion source U S t + ( ) - () =        t  dV +  U  ndA -   ndA =  SdV    