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## Main Question or Discussion Point

Hi everybody. This is my first post in this forum. I am working with COMSOL MULTIPHYSICS and I am trying to model a laboratory burner (Meker burner) heating a copper disc placed above the burner. I am modelling the burner as a boundary setting of heat flux entering the domain. I have obtained a solution for low values (1000-1800 W/m^2) but when I increase this value the model doesn´t converge and by my calculations the burner should give in order of 2exp6 W/m^2 (burner diameter 38 mm).

Could someone tell me if this value is correct and bring me some help in this issue.

Thanks anyway.

Martin.

Could someone tell me if this value is correct and bring me some help in this issue.

Thanks anyway.

Martin.