Hi all

Could u plz tell me

how can i calculate radiation on a special part of a surface? !

there is a rectangle but I gonna calculate radiation just on the circular surface, radius of circle is 20 cm!!!

Hi all

Could u plz tell me

how can i calculate radiation on a special part of a surface? !

there is a rectangle but I gonna calculate radiation just on the circular surface, radius of circle is 20 cm!!!

simply supply only the circle to the geometry input on the radiation component.

Hi all

I have a domed shape that I attached it.

I can calculate radiation on my shape.

How can I calculate radiation on a special part of my shape?

thanks in advance

Draw a geometry there in the opening and connect it to the component as geometry. If you have other geometries which cast shadow on this geometry you can connect them as context.

hello dear @mostapha

I attache 2 pictures. it was simulated radiation on the 2 picture. Just one of picture has context.

However i dont know why total radiation on the both pictures are equal?

![Capture444|512x442]

(upload://xEURxfbkLvofykZRVCQig9qobjY.jpeg)

Why do you think they should be different?

How do you think this â€ścontextâ€ť is affecting the checked surface?

-A.

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