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  • 3D Convection through an Electronics Box - Geometry

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The next step is for us to create a flow geometry. The air is going to flow through the inside of the box; however, we need to create a geometry for this empty space in order for ANSYS to be able to calculate the solution. We will accomplish this by creating Caps, then using those caps to create Fill. In the menu bar, select Tools > Fill. In the Details window, name the fill Caps, and make sure the extraction type is set to By Cavity.

We need to create caps for the two inlet holes, the two outlet holes, and all 16 connection holes. In order to create a cap, a cavity is identified by faces and ANSYS will fill the cavity with material. Most holes are identified by two faces.

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