CFX! Solver control CFX5.5V5.5.1H 2001AEA Technology
CFX 5.5 V 5.5.1H © 2001AEA Technology 8 -1 Solver Control
CFX! Solver control Settings for the behavior of the CFX-5 solver Maximum number of timesteps Timestep selection Transient timestep control for results output Convergence criteria Order of differencing scheme Advanced Options >Mesh Adaption CFX5.5V5.5.1H 2001AEA Technology
CFX 5.5 V 5.5.1H © 2001AEA Technology 8 -2 Solver Control Settings for the behavior of the CFX-5 solver > Maximum number of timesteps > Timestep selection > Transient timestep control for results output > Convergence criteria > Order of differencing scheme > Advanced Options > Mesh Adaption
CEX! Fl low Solver parameters form Convergence Control Solver Parameters Convergence criteria Convergence Control Advection scheme Convergence Criteria Options Advection Scheme Mesh Adaption Also Timestep results selection for Options transient simulations L·Ay」 CFX5.5V5.5.1H 2001AEA Technology
CFX 5.5 V 5.5.1H © 2001AEA Technology 8 -3 Flow Solver Parameters Form - Convergence Control - Convergence criteria - Advection scheme - Options - Mesh Adaption - Also Timestep results selection for transient simulations
CFX! Transient Timesteps Action Create Specify creation of transient results files Object: Transient Res File Set time to every for intervals or at for specific Transient Resuts Files time values AT1s Set Minimal Results File with specific variables to reduce file sizes (if not full results files get written at each timestep) Time of Resutts File Every Only accessible if transient was selected in the 5 Domain Options of the domains form V Minimal Results File Variables CFX5.5V5.5.1H 2001AEA Technology
CFX 5.5 V 5.5.1H © 2001AEA Technology 8 -4 Transient Timesteps Specify creation of transient results files Set time to every for intervals or at for specific time values Set Minimal Results File with specific variables to reduce file sizes (if not full results files get written at each timestep) Only accessible if transient was selected in the Domain Options of the Domains form
CFX! Flow Solver parameters form Convergence Control 口区 > Max Number of Timesteps 〓 Convergence Control Convergence Control Sets the maximum timesteps Max, No of Timesteps for the current run Equation Class Scope Equation Class Scope A‖ Equation Classes Timestep Selection All Equation Classes Auto Timestep Set Physical Timestep s Physical Timestep Physical Timestep Auto Timestep User Max Local Timestep Factor Close Expression Editor CFX5.5V5.5.1H 2001AEA Technology
CFX 5.5 V 5.5.1H © 2001AEA Technology 8 -5 Flow Solver Parameters Form - Convergence Control > Max. Number of Timesteps * Sets the maximum timesteps for the current run > Equation Class Scope > Timestep Selection * Auto Timestep * Physical Timestep * Auto Timestep User Max * Local Timestep Factor