| style="width:300px;" | Modeling iso-thermal surface with a fixed temperature
| style="width:100px;" | Solid and surface objects
| style="width:250px;" | Can be considered a thermal source if the fixed temperature is different than the ambient temperature (shares the same navigation tree node as PEC object)
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| style="width:30px;" | [[File:diel_group_icon.png]]
| style="width:300px;" | Modeling any homogeneous or inhomogeneous material
| style="width:100px;" | Solid objects
| style="width:250px;" | non-source material(shares the same navigation tree node as dielectric material)
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| style="width:30px;" | [[File:aniso_group_icon.png]]
| style="width:300px;" | Modeling volume heat sources with a fixed heat density or an expression in the global coordinates (x,y,z)
| style="width:100px;" | Solid objects
| style="width:250px;" | Acts as a thermal source(shares the same navigation tree node as volume charge)
|}