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Mateusz L

Transient Heat Transfer [Acusolve]

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Hi everyone. 
I have a question regarding the initial temperature boundary condition in acusolve transient heat transfer.
Initial temperatures of body and fluid are known. 

I used Nodal initial condition to provide initial temperature. How to assign initial tempreatures of the volume and surfaces?

Thanks in advance for help.

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In AcuConsole, you can do this with 'Temperature initial condition type' set to 'Script'.  Then select 'Open Text' for 'Temperature script' and use functions like 'if inVolume' to set the values for the different Volumes (element sets).  You can also do this in the input file itself:

 

NODAL_INITIAL_CONDITION( "temperature - body" ) { 
   selection_type             = element_set
   element_set                = "body" 
   variable                   = temperature 
   type                       = constant
   constant_value             = 273.0
   satisfy_boundary_condition = off
   precedence                 = 1
}

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