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--- doc:user:elements:boundaries:radiation [2026/07/29 15:09] – papeleux
+++ doc:user:elements:boundaries:radiation [2026/07/30 08:56] (current) – boman
@@ Line 12: / Line 12: @@
 The ''RadiativeMaterial'' is implemented to take into account the heat exchange between the boundary of a mesh and the surrounding atmosphere (at uniform Temperature) without taking into account any view factor or self exchange between mesh.
-the heatFlux (W/m²) is equal to
+The heatFlux (W/m²) is equal to
 $flux = -\sigma \epsilon (T^4-T_{amb}^4)$
 with :
@@ Line 18: / Line 18: @@
   * $\epsilon$ : relative emissivity parameter (1)
   * $T$ : temperature at the integration point (K)
-  * $T_{amb} : Room temperature (K)
+  * $T_{amb}$ : Room temperature (K)
-It is design to work with Tm(2)Boundary2D(/3D)Element. By default, the surrounding model has to be defined in Kelvin, but defining the parameter ''RAY_CELSIUS'' to True allows using it in a Celsius defined test.
+It is designed to work with ''Tm(2)Boundary2D(/3D)Element''. By default, the surrounding model has to be defined in Kelvin, but defining the parameter ''RAY_CELSIUS'' to ''True'' allows using it in a Celsius defined test.
@@ Line 29: / Line 29: @@
 where
-|''param1''| name of the property associated to the element (for example ''RAY_EMISSIVITY''|
+|''param1''| name of the property associated to the element (for example ''RAY_EMISSIVITY'')  |
-|''value1''| value of the corresponding property |
+|''value1''| value of the corresponding property  |
-|''fct1''| function which characterizes the dependency of the property (optional: no fct if no dependency) |
+|''fct1''  | function which characterizes the dependency of the property (optional: no fct if no dependency) |
-|''Lock1''| [[doc:user:general:locks|Lock]] which defines the dependency variable of the property (compulsory if there is a dependency) |
+|''Lock1'' | [[doc:user:general:locks|Lock]] which defines the dependency variable of the property (compulsory if there is a dependency) |
 === Parameters ===
 ^   Name                                          ^     Description       ^  Dependency ^
-| ''BOLTZMANN_CST''| Stefan-Boltzmann Constant (required to set units)\\ =  $ 5.67e^{-8}  W/m^2K^4 $\\ =  $ 5.67e^{-11}  mW/mm^2K^4$|  Set |
+| ''BOLTZMANN_CST'' | Stefan-Boltzmann Constant (required to set units)\\ =  $ 5.67e^{-8}  W/m^2K^4 $\\ =  $ 5.67e^{-11}  mW/mm^2K^4$|  Set  |
-| ''RAY_EMISSIVITY''| Relative emissivity between two gray bodies (solid / room)\\ $\epsilon = \frac{\epsilon_1 * \epsilon_2}{\epsilon_1 + \epsilon_2 - \epsilon_1 * \epsilon_2}$    |  time |
+| ''RAY_EMISSIVITY''| Relative emissivity between two gray bodies (solid / room)\\ $\epsilon = \frac{\epsilon_1 * \epsilon_2}{\epsilon_1 + \epsilon_2 - \epsilon_1 * \epsilon_2}$    |  time  |
-| ''RAY_TEMP_AMB''  | Room temperature (K)  |  time |
+| ''RAY_TEMP_AMB''  | Room temperature (K)  |  time  |
 | ''RAY_CELSIUS''   | flag to chose Themperature unit system of the test (default : Kevin => False)     |  -  |