Upload
kayla-butterbeans
View
226
Download
0
Embed Size (px)
Citation preview
7/29/2019 Fluent 14 Flat Plate
1/27
Flat Plate Boundary Layer
Fluent 14 Seminar
7/29/2019 Fluent 14 Flat Plate
2/27
Flow on a Flat Plate
7/29/2019 Fluent 14 Flat Plate
3/27
Open ANSYS project file
7/29/2019 Fluent 14 Flat Plate
4/27
Launch ANSYS
7/29/2019 Fluent 14 Flat Plate
5/27
Workbench View and Setup
Ignore warnings messages, refresh and update project.
7/29/2019 Fluent 14 Flat Plate
6/27
Update Setup
7/29/2019 Fluent 14 Flat Plate
7/27
Launch Fluent
Use double precision and start application.
7/29/2019 Fluent 14 Flat Plate
8/27
Flat Plate Mesh
7/29/2019 Fluent 14 Flat Plate
9/27
Verify mesh size
On the main toolbar, go to Mesh, Info, and Size:
You should see this output:
7/29/2019 Fluent 14 Flat Plate
10/27
General options
Choose Planar.
7/29/2019 Fluent 14 Flat Plate
11/27
Fluid Properties
(1)
(2)
Set above properties and choose Change/Create,
and Close.
7/29/2019 Fluent 14 Flat Plate
12/27
Boundary Conditions: Inlet
7/29/2019 Fluent 14 Flat Plate
13/27
Outlet and Wall Conditions
Set the outlet of the pipe as Type pressure outlet, and the pipe wall as Type Wall.
7/29/2019 Fluent 14 Flat Plate
14/27
Far Field Condition
7/29/2019 Fluent 14 Flat Plate
15/27
Choose solution method
7/29/2019 Fluent 14 Flat Plate
16/27
Monitors
Edit Residuals-Print,Plot to set 1e-6 tolerance on the Monitors Panel above.
7/29/2019 Fluent 14 Flat Plate
17/27
Initialization
Use the standard initialization method,
and verify that the X Velocity is
Set to 1m/s. Then press Initialize.
7/29/2019 Fluent 14 Flat Plate
18/27
Launch solver
Choose Run Calculation, set the Number of Iterations to 1000 and press Calculate twice.
A solution should be obtained in about 560 iterations.
7/29/2019 Fluent 14 Flat Plate
19/27
Outlet velocity
Go to Results, choose XY Plot and Set up. On the Solution XY Plot panel above, set
Velocity..., X Velocity on Y Axis Function, and on X Axis Function set
Direction Vector. On surfaces set outlet. Note Plot directions X = 0, Y = 1.
7/29/2019 Fluent 14 Flat Plate
20/27
Outlet Velocity
7/29/2019 Fluent 14 Flat Plate
21/27
Customizing Plot
On Curves Set Pattern, choose Color white, and unset Symbol as shown above.
7/29/2019 Fluent 14 Flat Plate
22/27
Customized Outlet Velocity
7/29/2019 Fluent 14 Flat Plate
23/27
Customize Y-Axis
7/29/2019 Fluent 14 Flat Plate
24/27
Customize X-Axis
Choose X axis, unset Auto Range and specify the Minimum and Maximum ranges
to 0 and 0.12, respectively. Apply changes and close.
7/29/2019 Fluent 14 Flat Plate
25/27
Plot with Minor and Major Tics
7/29/2019 Fluent 14 Flat Plate
26/27
Comparison with Blasius Solution
7/29/2019 Fluent 14 Flat Plate
27/27
Homework
Compare the given Blasius solution with thenumerical solution at half the length of the
plate x = L/2. On the same figure show the
Blasius solution and the numerical solution byFluent. Report numerical error.