OpenFOAM/C3/Flow-over-a-flat-plate/English-timed - Revision history

DeepaVedartham at 11:20, 11 April 2019

2019-04-11T11:20:08Z

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PoojaMoolya at 13:16, 20 February 2017

2017-02-20T13:16:33Z

Sandhya.np14 at 12:50, 30 June 2016

2016-06-30T12:50:07Z

Sandhya.np14 at 07:11, 30 June 2016

2016-06-30T07:11:56Z

Sandhya.np14 at 12:38, 28 June 2016

2016-06-28T12:38:25Z

Sandhya.np14 at 12:37, 28 June 2016

2016-06-28T12:37:00Z

Sandhya.np14 at 12:35, 28 June 2016

2016-06-28T12:35:25Z

Sandhya.np14 at 12:33, 28 June 2016

2016-06-28T12:33:30Z

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Pratik kamble: Created page with " {|Border=1 |'''Time''' |'''Narration''' |- | 00:01 | Hello and welcome to the spoken tutorial on Flow over a flat plate using '''OpenFOAM'''. |- | 00:06 | In this tutorial..."

2015-11-24T11:23:47Z

Created page with " {|Border=1 |'''Time''' |'''Narration''' |- | 00:01 | Hello and welcome to the spoken tutorial on Flow over a flat plate using '''OpenFOAM'''. |- | 00:06 | In this tutorial..."

New page

{|Border=1
|'''Time'''
|'''Narration'''

|-
| 00:01
| Hello and welcome to the spoken tutorial on Flow over a flat plate using '''OpenFOAM'''.

|-
| 00:06
| In this tutorial I will teach you about Geometry of the flat plate
Changing the grid spacing in '''meshing'''
Post Processing results in '''ParaView''' and Visualizing using '''Vector Plot'''.

|-
| 00:19
| To record this tutorial I am using

'''Linux''' Operating system '''Ubuntu''' version 12.04.

'''OpenFOAM''' version 2.1.1 and

'''ParaView''' version 3.12.0

|-
| 00:30
|'''Flow over flat plate''' is a '''fundamental problem in fluid mechanics'''

|-
| 00:35
| We can visualise the growth of '''boundary layer''''''Boundary layer''' is a very thin region above the body

|-
| 00:41
|where the velocity is 0.99 times the '''free stream velocity'''.

|-
| 00:46
| This is a '''diagram''' of '''flow over the flat plate'''

|-
| 00:49
|The''' boundary conditions''' are given as follows
*You have the '''Inlet'''
*the '''Plate'''
*'''Top''' – which is the '''Farfield''' and '''Outlet''' – which is the''' pressure outlet boundary'''

|-
| 01:00
| The Free stream velocity '''U = 1 m/s''', and we are solving this for '''Reynolds no (Re) = 100'''

|-
| 01:08
|Now let us Go to the '''home''' folder in the '''home''' folder click on the '''OpenFoam''' folder

|-
| 01:15
|Then go to the '''Run''' '''directory''' You will see '''Tutorials. '''Click on it.
Scroll down and then click on '''Incompressible.''' Scroll down.

|-
| 01:27
|You will see the '''simpleFoam '''folder.Click on it This '''solver''' suits our case.

|-
| 01:34
| In this, create a '''folder''' by the name '''flatplate.'''Right click - '''Create New Folder -''' '''flatplate'''

|-
| 01:44
| Now, let's open the '''pitzdaily case.'''

|-
| 01:47
| Let me zoom this. Copy the '''three folders''' - '''0''', '''constant '''and '''system'''Copy this

|-
| 01:56
| Now let us go one level back. Paste these three '''folders''' inside the''' flatplate '''folder.

|-
| 02:05
| Open the '''constant folder''' and then the '''polyMesh folder'''

|-
|02:10
| Change the geometry and boundary condition names in the '''blockMeshDict '''file.

|-
|02:15
| I have already made the changes.Let us open the '''blockMeshDict''' file . Scroll down The geometry is in '''meters'''.

|-
|02:25
| We have set the '''dimensions''' of the '''flatplate'''

|-
| 02:29
| We can see the '''simpleGrading. '''It is kept as (1 3 1) as we need a finer '''mesh''' near the plate.

|-
|02:35
| Now close this.Go two '''levels''' back.

|-
|02:41
| Similarly, make changes in the '''boundary condition''' names inside the '''files''' in the '''0''' folder.

|-
| 02:48
|These '''files''' have '''pressure''', '''velocity''' and '''wall''' functions.

|-
|02:54
| To '''calculate''' the values of '''wall''' functions, please refer to the earlier '''tutorial''' in the '''OpenFoam''' series.Let us go one '''level''' back.

|-
|03:03
| The '''system''' folder can be kept '''default'''Let us close this

|-
|03:09
| Now let us open the '''terminal window.'''In the '''terminal window''', type '''run '''and press '''Enter.'''

|-
| 03:16
| Type '''cd space tutorials '' press''' Enter.'''

|-
| 03:21
| Type '''cd incompressible '''press''' Enter.'''

|-
| 03:25
| Type '''cd space simpleFoam '''press''' Enter.'''

|-
| 03:31
| Now type '''ls''' and press '''Enter.'''

|-
|03:34
| We can see the '''flatplate''' folder.

|-
| 03:37
| Now type '''cd space flatplate '''and press '''Enter.'''

|-
| 03:42
| Now type '''ls''' and press '''Enter.'''

|-
|03:45
| You can see the three '''folders''' '''0,constant''' and '''system.'''

|-
| 03:49
| Now, we will mesh the geometry. We are using a '''course mesh''' for this problem.'''Meshing''' can be done by typing '''blockMesh''' in the '''terminal'''.

|-
|03:58
| Press '''Enter.''' '''Meshing''' has been done.

|-
|04:01
| Note that if there is some error in the '''blockMesh''' file,it will be shown in the '''terminal''' window.

|-
| 04:07
| To view the geometry, type “'''paraFoam'''” press '''Enter.'''

|-
| 04:13
| After the '''ParaView''' window opens, on the left hand side of the '''object inspector''' menu, click '''Apply'''.

|-
| 04:21
|We can see the '''geometry'''.Close the '''ParaView''' window.Let me switch back to the''' slides.'''

|-
| 04:28
| The solver we are using here is: '''simpleFoam.''''''SimpleFoam''' is a '''steady state solver '''for '''incompressible '''and''' turbulent''' flows

|-
| 04:37
| Let me switch back to the '''terminal '''window.In the '''terminal window''' ,type '''simpleFoam''' and press '''Enter.'''

|-
| 04:45
|You will see the '''iterations''' running in the '''terminal '''window.

|-
| 04:51
| Once the solving is done, type '''paraFoam''' to view the results.

|-
| 04:55
| On the left hand side of the '''Object Inspector''' menu, click '''Apply to '''view the geometry.

|-
| 05:01
| Scroll down the '''properties''' panel of the '''Object Inspector''' menu for '''time step''', '''regions''' and '''fields'''

|-
| 05:08
| To view the '''contours''' from the''' '''top drop down menu, in the '''Active Variable Control '''menu, change from '''solid color''' to '''capital U'''

|-
|05:19
| You can see the initial condition of the '''velocity'''

|-
| 05:23
| Now on top of the '''ParaView''' window, you will see the '''VCR''' control.

|-
| 05:28
| Click on the '''Play''' button.

|-
|05:33
| You will see the '''contour''' of '''Pressure''' or '''Velocity''' on the flat plate accordingly

|-
| 05:39
| This is the '''velocity contour''' '''Toggle''' on the '''Color legend'''

|-
| 05:43
| To do this, click on the '''color legend '''icon on the '''Active Variable Control''' menu

|-
| 05:50
| Click '''Apply''' in the '''Object inspector '''menu

|-
| 05:53
| In the '''Object inspector '''menu, click on '''Display'''

|-
| 05:57
|'''Scroll down''' and click on '''Rescale''' '''to data range'''

|-
| 06:03
| Let me shift this '''Color legend''' on top To visualize the '''Vector Plot''', go to the '''Filters Menu''' > '''Common''' > '''glyph'''

|-
|06:15
| Go to the '''Properties''' in '''Object Inspector menu'''

|-
|06:20
| Click '''Apply''' on the left hand side of '''Object Inspector Menu'''.

|-
| 06:24
| You can change the number of '''vectors''' by changing their size at the bottom.

|-
| 06:29
| Also, the size of the '''vectors''' can be changed by '''clicking''' on the '''Edit''' button. The '''set scale''' '''factor''' can be changed to '''0.1'''

|-
| 06:41
| Again, click the '''Apply''' button.

|-
|06:44
| Now let me zoom this

|-
| 06:46
| To do this, in the '''Active Variable Control '''menu, click on '''zoomToBox '''option

|-
|06:52
| And '''zoom''' over any area that you desire

|-
| 06:58
| We can see the '''parabolic variation''' of '''vector plot '''as the '''flow''' moves over the''' plate'''.

|-
| 07:04
| Delete this. Now delete the '''vector plot.'''

|-
| 07:09
| Also, we can see that the color near to 1 corresponds to the '''velocity''' of '''0.99 '''times the free stream velocity.

|-
| 07:17
| You can also plot the '''variation''' of velocity along the '''x '''and '''y '''axes using the '''plot data over line'''.

|-
| 07:26
| This brings us to the end of the tutorial.In this tutorial we learnt :
* '''Geometry and meshing''' of the '''flat plate geometry''' and
* Vector plotting in '''ParaView'''

|-
| 07:37
| As an Assignment,

Create a '''geometry''' of '''flow over a flat plate'''

'''Refine the grid spacing''' near the plate

|-
| 07:45
| Watch the video available at this URL http://spoken-tutorial.org/What_is_a_Spoken_Tutorial
It summarizes the Spoken Tutorial project. If you do not have good bandwidth, you can download and watch it.

|-
| 07:55
| The Spoken Tutorial Project Team Conducts workshops using spoken tutorials Gives certificates to those who pass an online test For more details, please write to contact@spoken-tutorial.org

|-
| 08:08
| Spoken Tutorial project is a part of the Talk to a Teacher project, It is supported by the National Mission on Education through ICT, MHRD, Government of India.

|-
| 08:17
|More information on this mission is available at this URL http://spoken-tutorial.org/NMEICT-Intro.This is Rahul Joshi from IIT BOMBAY signing off.Thanks for joining.

|}

@@ Line 11: / Line 11: @@
 | 00:06
 | In this tutorial, I will teach you about:
-* Geometry of the flat plate
+Geometry of the flat plate
-* Changing the grid spacing in '''meshing'''
+Changing the grid spacing in '''meshing'''
-* Postprocessing results in '''ParaView''' and
+Postprocessing results in '''ParaView''' and
-* Visualizing using '''Vector Plot'''.
+Visualizing using '''Vector Plot'''.
 |-
 | 00:19
 | To record this tutorial, I am using:
 '''Linux Operating system Ubuntu''' version 12.04.
-* '''Linux Operating system Ubuntu''' version 12.04.
+'''OpenFOAM''' version 2.1.1 and
 '''ParaView''' version 3.12.0
-* '''OpenFOAM''' version 2.1.1 and
-−
-* '''ParaView''' version 3.12.0
 |-
@@ Line 57: / Line 54: @@
 |-
 | 01:15
-|Then go to the 'run' directory. You will see 'Tutorials'. Click on it.
+|Then go to the 'run' directory. You will see 'Tutorials'. Click on it. Scroll down and then click on '''Incompressible.''' Scroll down.
 Scroll down and then click on '''Incompressible.''' Scroll down.
 |-
@@ Line 299: / Line 295: @@
 | 07:26
 | This brings us to the end of the tutorial. In this tutorial, we learnt:
-* '''Geometry''' and '''meshing''' of the '''flat plate geometry''' and
+'''Geometry''' and '''meshing''' of the '''flat plate geometry''' and
-* Vector plotting in '''ParaView'''.
+Vector plotting in '''ParaView'''.
 |-
 | 07:37
-| As an Assignment-
+| As an Assignment- Create a '''geometry''' of '''flow over a flat plate'''.Refine the '''grid spacing''' near the plate.
 Create a '''geometry''' of '''flow over a flat plate'''.
 Refine the '''grid spacing''' near the plate.
 |-
@@ Line 316: / Line 310: @@
 | 07:55
 | The Spoken Tutorial Project team:
-* Conducts workshops using spoken tutorials.
+Conducts workshops using spoken tutorials. Gives certificates to those who pass an online test.
-* Gives certificates to those who pass an online test.
 For more details, please write to: '''contact@spoken-tutorial.org'''
@@ Line 326: / Line 319: @@
 |-
 | 08:17
-|More information on this mission is available at this URL:
+|More information on this mission is available at this URL:http://spoken-tutorial.org/NMEICT-Intro.
-http://spoken-tutorial.org/NMEICT-Intro.
+This is Rahul Joshi from '''IIT Bombay''', signing off.Thanks for joining.
 This is Rahul Joshi from '''IIT Bombay''', signing off.
 Thanks for joining.
 |}

@@ Line 242: / Line 242: @@
 |-
 | 05:57
-|'''Scroll down''' and click on '''Rescale''' to data range.
+|'''Scroll down''' and click on '''Rescale to data range'''.
 |-

@@ Line 49: / Line 49: @@
 |-
 | 01:00
-| The '''Free stream velocity '''U = 1 m/s'''''' and we are solving this for '''Reynolds number (Re) = 100'''.
+| The '''Free stream velocity U = 1 m/s''' and we are solving this for '''Reynolds number (Re) = 100'''.
 |-

@@ Line 315: / Line 315: @@
 |-
 | 07:55
-| The Spoken Tutorial Project team"
+| The Spoken Tutorial Project team:
-* Conducts workshops using spoken tutorials. * Gives certificates to those who pass an online test.
+* Conducts workshops using spoken tutorials.
 For more details, please write to: '''contact@spoken-tutorial.org'''

@@ Line 10: / Line 10: @@
 |-
 | 00:06
-| In this tutorial, I will teach you about:   * Geometry of the flat plate
+| In this tutorial, I will teach you about:
 * Changing the grid spacing in '''meshing'''
 * Postprocessing results in '''ParaView''' and

@@ Line 57: / Line 57: @@
 |-
 | 01:15
-|Then go to the '''Run''' '''directory'''. You will see '''Tutorials. ''' Click on it.
+|Then go to the 'run' directory. You will see 'Tutorials'. Click on it.
 Scroll down and then click on '''Incompressible.''' Scroll down.
 |-
 | 01:27
-|You will see the '''simpleFoam '''folder. Click on it. This '''solver''' suits our case.
+|You will see the 'simpleFoam' folder. Click on it. This '''solver''' suits our case.
 |-
@@ Line 226: / Line 226: @@
 |-
 | 05:39
-| This is the '''velocity contour'''. '''Toggle''' on the '''Color legend'''.
+| This is the '''velocity contour'''. Toggle on the '''Color legend'''.
 |-
@@ Line 242: / Line 242: @@
 |-
 | 05:57
-|'''Scroll down''' and click on '''Rescale''' '''to data range'''.
+|'''Scroll down''' and click on '''Rescale''' to data range.
 |-
 | 06:03
-| Let me shift this '''Color legend''' on top to visualize the '''Vector Plot'''. Go to the '''Filters''' Menu > '''Common''' > '''glyph'''.
+| Let me shift this '''Color legend''' on top to visualize the '''Vector Plot'''. Go to the '''Filters''' Menu > '''Common''' > '''Glyph'''.
 |-
@@ Line 254: / Line 254: @@
 |-
 |06:20
-| Click '''Apply''' on the left hand side of '''Object Inspector''' Menu.
+| Click '''Apply''' on the left hand side of '''Object Inspector''' menu.
 |-
@@ Line 262: / Line 262: @@
 |-
 | 06:29
-| Also, the size of the '''vectors''' can be changed by clicking on the '''Edit''' button. The '''set scale''' '''factor''' can be changed to '''0.1'''
+| Also, the size of the '''vectors''' can be changed by clicking on the '''Edit''' button. The '''Set Scale Factor''' can be changed to 0.1.
 |-
@@ Line 274: / Line 274: @@
 |-
 | 06:46
-| To do this, in the '''Active Variable Control '''menu, click on '''zoomToBox '''option.
+| To do this, in the '''Active Variable Control '''menu, click on '''zoom To Box '''option
 |-
 |06:52
-| And '''zoom''' over any area that you desire.
+| and '''zoom''' over any area that you desire.
 |-
 | 06:58
-| We can see the '''parabolic''' variation of '''vector plot '''as the '''flow''' moves over the''' plate'''.
+| We can see the parabolic variation of the '''vector plots '''as the '''flow''' moves over the''' plate'''.
 |-
@@ Line 290: / Line 290: @@
 |-
 | 07:09
-| Also, we can see that the color near to 1 corresponds to the '''velocity''' of '''0.99 '''times the '''free stream velocity'''.
+| Also, we can see that the color near to 1 corresponds to the velocity of 0.99 times the '''free stream velocity'''.
 |-
 | 07:17
-| You can also plot the variation of velocity along the X and Y axes using the '''plot data over line'''.
+| You can also plot the variation of velocity along the X and Y axes using the '''plot over data line'''.
 |-
@@ Line 326: / Line 326: @@
 |-
 | 08:17
-|More information on this mission is available at this URL: http://spoken-tutorial.org/NMEICT-Intro.
+|More information on this mission is available at this URL:
 This is Rahul Joshi from '''IIT Bombay''', signing off.
 Thanks for joining.
 |}