AEATECHNOLoGY ENGINEERING SOFTWAR Commonly Used Routines USRSRC To allow users to add source or modify source terms USRTRN To allow users to monitor the solution as a function of time and to specify next time step USRVIS To allow users to specify viscosity CFX-4 CFX4.3V4.3.1H Introductory Training(Dec 1999)CFX-4 Introductory Training (Dec 1999) 9 -5 CFX-4.3 V4.3.1H Commonly Used Routines USRSRC > To allow users to add source or modify source terms. USRTRN > To allow users to monitor the solution as a function of time and to specify next time step. USRVIS > To allow users to specify viscosity