Forum: FLUENT
May 11, 2020, 13:21
|
|
Replies: 28
Views: 3,304
Doe
I am afraid I do not have any idea about WB or DoEs.
|
|
Forum: FLUENT
May 9, 2020, 16:10
|
|
Replies: 28
Views: 3,304
Boundary Layer Thickness
Radius implies radius of the duct through which fluid is flowing. The concept of boundary layer does not exist in undergrad texts. Analytical solution is usually based on similarity analysis and you...
|
|
Forum: FLUENT
May 8, 2020, 05:15
|
|
Replies: 28
Views: 3,304
Theory
Just pick up any fluid dynamics book that explains boundary layer and you will understand. For a laminar flow through a duct, the thickness of boundary layer is equal to radius while the thickness of...
|
|
Forum: FLUENT
May 7, 2020, 06:11
|
|
Replies: 28
Views: 3,304
Laminar Flow
You mentioned that the flow is laminar. Then the gradient cannot be high. High gradient implies turbulent flow. So, if the flow is really laminar and single-phase, you do not require any inflation...
|
|
Forum: FLUENT
May 6, 2020, 15:54
|
|
Replies: 28
Views: 3,304
Laminar Film
If you are modeling two-phase flow using multiphase model then you need to ensure that you have at least 4-6 layers within the thin film thickness that you expect for the liquid phase. If the...
|
|
Forum: FLUENT
May 6, 2020, 11:46
|
|
Replies: 28
Views: 3,304
Mesh Control
You can give sizes to the face, to the edges, even to the bodies. For all of these, there are various ways, such as, you can directly specify number of nodes on edge; for faces and bodies you can...
|
|
Forum: FLUENT
May 6, 2020, 11:31
|
|
Replies: 28
Views: 3,304
Inflation
You can certainly use inflation on the adjacent walls and the results as per that actually look good in your mesh. You are worried too much about the mesh quality. As long as you get skewness less...
|
|
Forum: FLUENT
May 6, 2020, 11:06
|
|
Replies: 28
Views: 3,304
Boundary Layer Mesh
The inflation layer look as it should be if you have inflation on two adjacent boundaries. And you are using a lot of layers. Usually, 20 is more than enough.
|
|
Forum: FLUENT
May 6, 2020, 10:59
|
|
Replies: 28
Views: 3,304
Mesh
I am sorry, did you attach an image of mesh? I couldn't see any. Inflation has to match with the edge sizing. Hence, if you are observing a jump in the inflation, you need to change edge sizing.
|
|
Forum: FLUENT
May 6, 2020, 04:14
|
|
Replies: 28
Views: 3,304
Meshing Software
The choice of meshing tool is only based on one thing; user's comfort, until and unless the objective is only to learn a tool. So, use a tool that you are comfortable with. ICEMCFD and Fluent Meshing...
|
|
Forum: FLUENT
May 5, 2020, 12:59
|
|
Replies: 28
Views: 3,304
Mesh Cells
Fluent Meshing cannot generate structured hex cells, however, newer versions do have other options, such as, hex core, poly hex-core, cutcell, polyhedral, etc.
|
