-
From the Assistant, click Model.
The Finite Element Model dialog box appears.
-
From the Model options, select Create to
create a FEM.
-
Name it
DuctFlow_Mesh,
and click OK.
DuctFlow_Mesh A.1 appears in the tree.
-
From the Model section of the Assistant, click Model Setup
.
-
Apply the material definition for air to the fluid section associated with the fluid
domain.
-
Click to open the Material Palette.
-
From the Material Palette, search for
MynameEXAMPLE-Air.
-
Select MynameEXAMPLE-Air, and click
OK.
The app
applies the material definition to the fluid section and closes the Material Palette.
-
Expand the Fluid domain bounding parts section, and confirm that
the duct part is selected.
-
Select the region that contacts the fluid.
-
Expand the Regions section.
-
Select a surface inside the duct.
A glyph of a blue cube with a stem appears
on that surface.
-
Select or clear Flip direction
to ensure
that the cubical portion of the glyph is immersed in what would be the fluid
volume.
-
Define the openings that allow fluid to flow through the duct.
-
Click in the Openings section.
-
From the context toolbar, select Edge Propagation
.
-
Select an edge on the inner side of the duct opening on the left.
-
Enter 30deg in the pop-up window, and click
Propagate.
The app
highlights all of the edges that comprise the duct's opening.
-
Define the second duct opening in the same manner.
-
Expand the Mesh section, and accept the default mesh density for
the fluid interior and fluid walls.
You customize these settings later in this example.
-
Click OK.
Three new items appear in the tree:
- Physical Environment.1 appears underneath the
Abstractions node.
- Fluid Section.1 appears underneath the
Properties node.
- Hex Mesh.1 appears under the Nodes and
Elements node.
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