Ansys Learning Forum Forums Discuss Simulation Fluids UDF mass diffusivity for multicomponent Dij Reply To: UDF mass diffusivity for multicomponent Dij

Surya Deb
Ansys Employee
Hello,
If I understand it correctly, then you can use the macro C_DIFF_L(c,t,i,j) to define the laminar species binary diffusivity.
Regards SD