How to switch off convection in a transport equation for an additional variable (pure diffusive transport, No Convection Keyword of CFX-4)?
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This can be done with the following steps: 1. Define a standard transport equation in CFX-Pre and write definition file. 2. Change the type of transport equation to "Diffusive Transport Equation" in the CCL Editor or extract CCL form Definition/Res File with the command cfx5cmds -def name.def -read -text name.ccl and change the following object in name.ccl: ADDITIONAL VARIABLE: Additional Variable 1 Kinematic Diffusivity = 1.0E-6 [m^2 s^-1] Option = Diffusive Transport Equation END Save these settings with cfx5cmds -def name.def -write -text name.ccl |
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