Hello everyone, (Question about gaussian heat source)

It might be a very basic question but I am having a hard time imagining the Gaussian heat source. I want to apply the heat source through the node "deposited beam power". You can find this node under heat transfer module >Heat source> deposited beam power.

What I understood is, "O" is the origin of laser, not the point where we want to apply the heat source.

About "e" (laser beam's orientation), As you can see there are no units assigned to it. So, I think it must be a unit vector. I want to apply this heat source in my 2D ais symmetric model. So, I can only put the value in "z" column for "O" and "e". The coordinate where I want to apply the laser heat source is (0,-0.3), therefore:

O: (0,0,0)

e: (0,0,-0.3)

Is it okay ? I put my geometry in the negative z axis (-0.3) to put the negative sign in the "e" because of the direction of the laser. Please clear this.

Second, "d" (see the figure) is the distance between e and x. What is x here? How can I visualize it?

Your comments and suggestions are awaited.

Thank You.

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