Release Notes > Heat Transfer Module > Obsolete Features and Variables

Obsolete Features and Variables
The following features have been removed:
Porous Matrix (replaced by Heat Transfer in Porous Media)
Infinite Element (replaced by Infinite Element Domain declared in the Definitions node)
Electrochemical Heat Flux (replaced by Boundary Heat Source)
Reaction Heat Flux (replaced by Boundary Heat Source)
Heat Transfer in Participating Media (replaced by Heat Transfer with Radiation in Participating Media)
When models created in older versions are loaded in version 5.2a, these features are removed from the model tree and the model can still be opened. The new corresponding feature can be added to replace the removed one. In the particular case of a feature defined as the default feature of an interface in the model, the model cannot be opened.
The table below contains a list of variables that have been removed and replaced by new corresponding expressions.