OpenFOAM/C3/Installing-and-running-Gmsh/English-timed - Revision history

PoojaMoolya at 13:09, 20 February 2017

2017-02-20T13:09:33Z

Sandhya.np14 at 10:55, 5 July 2016

2016-07-05T10:55:36Z

Sandhya.np14 at 10:20, 5 July 2016

2016-07-05T10:20:45Z

Pratik kamble: Created page with "{|border=1 |'''Time''' |'''Narration''' |- | 00:01 | Hello and welcome to the spoken tutorial on '''Installing and running''' '''Gmsh.''' |- |00:08 | In this tutorial we wil..."

2015-11-27T10:34:00Z

Created page with "{|border=1 |'''Time''' |'''Narration''' |- | 00:01 | Hello and welcome to the spoken tutorial on '''Installing and running''' '''Gmsh.''' |- |00:08 | In this tutorial we wil..."

New page

{|border=1
|'''Time'''
|'''Narration'''

|-
| 00:01
| Hello and welcome to the spoken tutorial on '''Installing and running''' '''Gmsh.'''

|-
|00:08
| In this tutorial we will learn how to
* Install and run '''Gmsh''' and
* Create a basic geometry in '''Gmsh'''

|-
| 00:18
| As a pre-requisite, the user should have basic knowledge about '''mesh'''.

|-
| 00:24
| To record this tutorial, I am using
* '''Ubuntu Linux''' Operating system version 12.04 and
* '''Gmsh''' version 2.8.5

|-
| 00:34
| Let me introduce you to '''Gmsh'''.'''Gmsh '''is
* an automatic 3-D finite element mesh generator,
* with built-in pre and post-processing facilities.
* It's an Open-source software.

|-
| 00:51
|It is advantageous in creating complex geometries in '''gmsh''' than '''blockmesh utility''' of '''OpenFOAM'''.
*like '''blades''', '''aerofoil.'''
*'''OpenFOAM '''supports importing mesh from third party meshing software like '''Gmsh.'''

|-
| 01:08
| Let me show you how to install '''Gmsh'''.
'''Gmsh''' can be installed using '''Synaptic Package Manager'''.

|-
|01:15
|Let me open '''Synaptic Package Manager''' for you.It will ask for your password. Type in your password.

|-
|01:25
|In the search box type '''gmsh''' and Click on the checkbox in front of '''gmsh'''. And click on '''Mark for installation'''.Click on '''Apply'''.

|-
|01:40
|Again click '''Apply'''.This might take some time. Your '''Gmsh '''is now installed.

|-
| 01:50
| Alternately, you can also download '''Gmsh '''from the '''Gmsh '''website.Let me open the '''browser''' for you.

|-
| 01:59
| In the address bar, type: '''http://geuz.org/gmsh/ and'''Press '''Enter.'''

|-
| 02:09
| Scroll down to Downloads and select the current stable '''release''' according to your operating system.I will select '''Linux 64-bit'''. Click on '''Save file''' and press '''Ok'''.

|-
| 02:26
| After finishing your download, go to the '''Downloads''' folder.

|-
| 02:31
| Here you can see the '''tar file'''. Extract this file.A new folder will be created.

|-
| 02:41
| Open the folder. Go to '''bin''' and click on '''gmsh '''icon.

|-
| 02:49
| You can see the '''Gmsh '''start screen.Now we will create a cube using '''Gmsh'''.

|-
| 02:57
| Here you can see the cube with side equal to one unit.

|-
| 03:03
| Let me switch back to '''Gmsh'''.On the left hand side, you can see the '''module tree''' with '''Geometry, Mesh''' and '''Solver'''.

|-
| 03:14
| Go to '''Geometry - Elementary entitites Click on Add.'''Click on '''Point. '''A new window will appear.

|-
| 03:25
| Enter the '''X,Y '''and '''Z''' '''coordinates''' starting with (0 0 0) and press '''Enter'''.

|-
| 03:34
| Enter the second coordinate as (1 0 0) and press '''Enter.'''third coordinate as (1 1 0) and press '''Enter'''.fourth coordinate as (0 1 0) and press '''Enter'''.

|-
|03:53
|Similarly, Add the '''coordinates''' for the positive z-direction starting with point (0 0 1) and press '''Enter'''.Enter the remaining three coordinates and close the window.

|-
| 04:10
| I have entered all the eight coordinates. Use the left mouse click to move the points.

|-
| 04:18
| You can see all the 8 '''coordinates '''as points.

|-
| 04:23
| Now, click on '''Straight line'''. It will ask for a '''start point '''.Select the first point.

|-
| 04:33
| It will ask for '''end point '''.Select the end point.

|-
| 04:37
| A line will be drawn between the two points.Similarly, join all the points.

|-
| 04:45
| Press '''q''' to abort.

|-
| 04:49
| Now we will define the faces of the cube.Click on plain surface.It will ask for the surface boundary.

|-
| 04:59
| Select the edges of the bottom face first.You will notice that the edge we select, turns red in color.

|-
| 05:08
|It will ask for '''hole''' boundaries, if any.Since we do not have any '''hole''' in the boundary, press '''e''' to end the selection.

|-
| 05:19
| You will notice that the the face will appear with dashed centre lines. Now define the top face.

|-
| 05:29
| Similarly, define the remaining faces.I have defined all the faces. Press '''q''' to abort.

|-
| 05:39
| Now, we will define the volume of the cube.It will ask for the '''volume'''boundary.

|-
| 05:47
| Select any of the surface boundary and press '''e '''to end selection.

|-
| 05:55
| A yellow dot appears at the centre of the cube, which represents the volume.Press '''q''' to abort.

|-
| 06:04
| Now, we will define the physical groups, which will be used in exporting the geometry to '''OpenFOAM.'''

|-
| 06:13
| Go to '''Physical Group - Add''' and click on '''Surface.'''

|-
| 06:19
| Select the front surface first and press '''e''' to end the selection.Select the back surface and press '''e '''to end the selection.

|-
| 06:31
| Similarly, select the remaining surfaces. I have selected all the surfaces. Press '''q''' to abort.

|-
| 06:41
| Now, we'll define the physical '''volume.'''Click on '''Volume.''' It will ask for volume.Click on the yellow dot at the centre of the cube.

|-
| 06:53
|The yellow dot will turn red in color. Press '''e '''to end selection. Press '''q''' to abort.

|-
| 07:02
| Our cube is complete. Let us save our work.

|-
| 07:07
| Go to '''File''' - '''Save as.'''We will name our file as '''cube.geo'''

|-
| 07:15
|Note that here '''geo '''stands for '''geometry'''. Click '''Ok'''.Again click '''Ok'''.

|-
| 07:23
| This brings us to the end of this tutorial.As an '''assignment''', create other simple geometry in '''Gmsh''' like cylinder and sphere.

|-
| 07:35
| In this tutorial we learnt :
* To install and run '''Gmsh''' using Synaptic Package Manager and website.
* Created a cube using '''Gmsh'''.

|-
| 07:48
| This video summarizes the Spoken Tutorial project. If you do not have good bandwidth, you can download and watch it.

|-
|07:56
| We conduct workshops using spoken tutorials and give certificates Please contact us at this URL contact@spoken-tutorial.orgSpoken Tutorial is funded by NMEICT, MHRD, Government of India.

|-
| 08:11
| The script was created by Gautam Sharma and this is Rahul Joshi from IIT BOMBAY signing off.Thanks for joining.

|}

@@ Line 10: / Line 10: @@
 |00:08
 | In this tutorial, we will learn how to:
-* Install and '''run''' '''Gmsh''' and
+Install and '''run''' '''Gmsh''' and
-* Create a '''basic geometry''' in '''Gmsh'''.
+Create a '''basic geometry''' in '''Gmsh'''.
 |-
@@ Line 20: / Line 20: @@
 | 00:24
 | To record this tutorial, I am using:
-* '''Ubuntu Linux Operating system''' version 12.04 and
+'''Ubuntu Linux Operating system''' version 12.04 and
-* '''Gmsh''' version 2.8.5
+'''Gmsh''' version 2.8.5
 |-
@@ Line 200: / Line 200: @@
 |-
 | 07:35
-| In this tutorial We:
+| In this tutorial We:Learnt to install and run '''Gmsh''' using '''Synaptic Package Manager''' and website. Created a cube using '''Gmsh'''.
-* Learnt to install and run '''Gmsh''' using '''Synaptic Package Manager''' and website.
-* Created a cube using '''Gmsh'''.
 |-
@@ Line 210: / Line 208: @@
 |-
 |07:56
-| We conduct workshops using spoken tutorials and give certificates. Please contact us at this URL:
+| We conduct workshops using spoken tutorials and give certificates. Please contact us at this URL:'''contact@spoken-tutorial.org'''
 '''contact@spoken-tutorial.org'''
 Spoken Tutorial is funded by NMEICT, MHRD, Government of India.

@@ Line 84: / Line 84: @@
 |-
 | 03:03
-| Let me switch back to '''Gmsh'''.On the left hand side, you can see the '''module tree''' with '''Geometry, Mesh''' and '''Solver'''.
+| Let me switch back to '''Gmsh'''. On the left hand side, you can see the '''module tree''' with '''Geometry, Mesh''' and '''Solver'''.
 |-
 | 03:14
-| Go to '''Geometry - Elementary entitites Click on Add.'''Click on '''Point. '''A new window will appear.
+| Go to '''Geometry >> Elementary entities'''. Click on '''Add'''. Click on '''Point. '''A new '''window''' will appear.
 |-
 | 03:25
-| Enter the '''X,Y '''and '''Z''' '''coordinates''' starting with (0 0 0) and press '''Enter'''.
+| Enter the X, Y and Z coordinates starting with (0 0 0) and press '''Enter'''.
 |-
 | 03:34
-| Enter the second coordinate as (1 0 0) and press '''Enter.'''third coordinate as (1 1 0) and press '''Enter'''.fourth coordinate as (0 1 0) and press '''Enter'''.
+| Enter the second coordinate as (1 0 0) and press '''Enter''', third coordinate as (1 1 0) and press '''Enter''', fourth coordinate as (0 1 0) and press '''Enter'''.
 |-
 |03:53
-|Similarly, Add the '''coordinates''' for the positive z-direction starting with point (0 0 1) and press '''Enter'''.Enter the remaining three coordinates and close the window.
+|Similarly, add the coordinates for the positive z-direction starting with point (0 0 1) and press '''Enter'''. Enter the remaining three coordinates and close the window.
 |-
 | 04:10
-| I have entered all the eight coordinates. Use the left mouse click to move the points.
+| I have entered all the eight coordinates. Use the left '''mouse''' click to move the points.
 |-
 | 04:18
-| You can see all the 8 '''coordinates '''as points.
+| You can see all the 8 coordinates as points.
 |-
 | 04:23
-| Now, click on '''Straight line'''. It will ask for a '''start point '''.Select the first point.
+| Now, click on '''Straight line'''. It will ask for a '''start point'''. Select the first point.
 |-
 | 04:33
-| It will ask for '''end point '''.Select the end point.
+| It will ask for an '''end point'''. Select the end point.
 |-
 | 04:37
-| A line will be drawn between the two points.Similarly, join all the points.
+| A line will be drawn between the two points. Similarly, join all the points.
 |-
 | 04:45
-| Press '''q''' to abort.
+| Press 'q' to '''abort'''.
 |-
 | 04:49
-| Now we will define the faces of the cube.Click on plain surface.It will ask for the surface boundary.
+| Now, we will define the faces of the cube. Click on '''plane surface'''. It will ask for the '''surface boundary'''.
 |-
 | 04:59
-| Select the edges of the bottom face first.You will notice that the edge we select, turns red in color.
+| Select the edges of the bottom face first. You will notice that the edge we select, turns red in color.
 |-
 | 05:08
-|It will ask for '''hole''' boundaries, if any.Since we do not have any '''hole''' in the boundary, press '''e''' to end the selection.
+|It will ask for '''hole''' boundaries, if any. Since we do not have any '''hole''' in the boundary, press 'e' to end the selection.
 |-
 | 05:19
-| You will notice that the the face will appear with dashed centre lines. Now define the top face.
+| You will notice that the face will appear with dashed centre lines. Now define the '''top face'''.
 |-
 | 05:29
-| Similarly, define the remaining faces.I have defined all the faces. Press '''q''' to abort.
+| Similarly, define the remaining faces. I have defined all the faces. Press 'q' to abort.
 |-
 | 05:39
-| Now, we will define the volume of the cube.It will ask for the '''volume'''boundary.
+| Now, we will define the volume of the cube. It will ask for the '''volume''' boundary.
 |-
 | 05:47
-| Select any of the surface boundary and press '''e '''to end selection.
+| Select any of the surface boundary and press 'e' to end selection.
 |-
 | 05:55
-| A yellow dot appears at the centre of the cube, which represents the volume.Press '''q''' to abort.
+| A yellow dot appears at the centre of the cube which represents the volume. Press '''q''' to abort.
 |-
 | 06:04
-| Now, we will define the physical groups, which will be used in exporting the geometry to '''OpenFOAM.'''
+| Now, we will define the physical groups which will be used in exporting the geometry to '''OpenFOAM.'''
 |-
 | 06:13
-| Go to '''Physical Group - Add''' and click on '''Surface.'''
+| Go to '''Physical Groups >> Add''' and click on '''Surface.'''
 |-
 | 06:19
-| Select the front surface first and press '''e''' to end the selection.Select the back surface and press '''e '''to end the selection.
+| Select the front surface first and press '''e''' to end the selection. Select the back surface and press '''e '''to end the selection.
 |-
 | 06:31
-| Similarly, select the remaining surfaces. I have selected all the surfaces.  Press '''q''' to abort.
+| Similarly, select the remaining surfaces. I have selected all the surfaces. Press '''q''' to abort.
 |-
 | 06:41
-| Now, we'll define the physical '''volume.'''Click on '''Volume.''' It will ask for volume.Click on the yellow dot at the centre of the cube.
+| Now, we'll define the physical '''volume.''' Click on '''Volume.''' It will ask for volume. Click on the yellow dot at the centre of the cube.
 |-
 | 06:53
-|The yellow dot will turn red in color.  Press '''e '''to end selection.  Press '''q''' to abort.
+|The yellow dot will turn red in color.  Press '''e '''to end selection. Press '''q''' to abort.
 |-
@@ Line 188: / Line 188: @@
 |-
 | 07:07
-| Go to '''File''' - '''Save as.'''We will name our file as '''cube.geo'''
+| Go to '''File >> Save as.''' We will name our file as '''cube.geo'''.
 |-
 | 07:15
-|Note that here '''geo '''stands for '''geometry'''. Click '''Ok'''.Again click '''Ok'''.
+|Note that here "geo" stands for '''geometry'''. Click '''Ok'''. Again click '''Ok'''.
 |-
 | 07:23
-| This brings us to the end of this tutorial.As an '''assignment''', create other simple geometry in '''Gmsh''' like cylinder and sphere.
+| This brings us to the end of this tutorial. As an assignment, create other simple geometry in '''Gmsh''' like cylinder, sphere.
 |-
 | 07:35
-| In this tutorial we learnt :
+| In this tutorial We:
-* To install and run '''Gmsh''' using Synaptic Package Manager and website.
+* Learnt to install and run '''Gmsh''' using '''Synaptic Package Manager''' and website.
 * Created a cube using '''Gmsh'''.
@@ Line 210: / Line 210: @@
 |-
 |07:56
-| We conduct workshops using spoken tutorials and give certificates Please contact us at this URL contact@spoken-tutorial.orgSpoken Tutorial is funded by NMEICT, MHRD, Government of India.
+| We conduct workshops using spoken tutorials and give certificates. Please contact us at this URL:
 |-
 | 08:11
-| The script was created by Gautam Sharma and this is Rahul Joshi from IIT BOMBAY signing off.Thanks for joining.
+| The script was created by Gautam Sharma and this is Rahul Joshi from '''IIT Bombay''', signing off. Thanks for joining.
 |}

@@ Line 5: / Line 5: @@
 |-
 | 00:01
-| Hello and welcome to the spoken tutorial on '''Installing and running''' '''Gmsh.'''
+| Hello and welcome to the '''spoken tutorial''' on '''Installing and running Gmsh.'''
 |-
 |00:08
-| In this tutorial we will learn how to
+| In this tutorial, we will learn how to:
-* Install and run '''Gmsh''' and
+* Install and '''run''' '''Gmsh''' and
-* Create a basic geometry in '''Gmsh'''
+* Create a '''basic geometry''' in '''Gmsh'''.
 |-
 | 00:18
-| As a pre-requisite, the user should have basic knowledge about '''mesh'''.
+| As a prerequisite, the user should have basic knowledge about '''mesh'''.
 |-
 | 00:24
-| To record this tutorial, I am using
+| To record this tutorial, I am using:
-* '''Ubuntu Linux''' Operating system version 12.04 and
+* '''Ubuntu Linux Operating system''' version 12.04 and
 * '''Gmsh''' version 2.8.5
 |-
 | 00:34
-| Let me introduce you to '''Gmsh'''.'''Gmsh '''is
+| Let me introduce you to '''Gmsh'''. '''Gmsh '''is an automatic '''3-D finite element mesh generator''' with built-in pre and post-processing facilities.
-* an automatic 3-D finite element mesh generator,
+It's an '''open-source''' software.
-* with built-in pre and post-processing facilities.
-* It's an Open-source software.
 |-
 | 00:51
-|It is advantageous in creating complex geometries in '''gmsh''' than '''blockmesh utility''' of '''OpenFOAM'''.
+|It is advantageous creating complex geometries in '''gmsh''' than '''blockmesh''' utility of OpenFOAM like '''blades, aerofoil.'''
-*like '''blades''', '''aerofoil.'''
+OpenFOAM supports importing mesh from third party meshing software like '''Gmsh.'''
-*'''OpenFOAM '''supports importing mesh from third party meshing software like '''Gmsh.'''
 |-
@@ Line 43: / Line 40: @@
 |-
 |01:15
-|Let me open '''Synaptic Package Manager''' for you.It will ask for your password. Type in your password.
+|Let me open '''Synaptic Package Manager''' for you. It will ask for your password. Type in your password.
 |-
 |01:25
-|In the search box type '''gmsh''' and  Click on the checkbox in front of '''gmsh'''. And click on '''Mark for installation'''.Click on '''Apply'''.
+|In the '''search box''', type "gmsh" and  click on the checkbox in front of '''gmsh'''. And, click on '''Mark for installation'''. Click on '''Apply'''.
 |-
 |01:40
-|Again click  '''Apply'''.This might take some time. Your '''Gmsh '''is now installed.
+|Again, click  '''Apply'''. This might take some time. Your '''Gmsh '''is now installed.
 |-
 | 01:50
-| Alternately, you can also download '''Gmsh '''from the '''Gmsh '''website.Let me open the '''browser''' for you.
+| Alternately, you can also download '''Gmsh '''from the '''Gmsh '''website. Let me open the browser for you.
 |-
 | 01:59
-| In the address bar, type: '''http://geuz.org/gmsh/ and'''Press '''Enter.'''
+| In the '''address bar''', type: '''http://geuz.org/gmsh/''' and press '''Enter.'''
 |-
 | 02:09
-| Scroll down to Downloads and select the current stable '''release''' according to your operating system.I will select '''Linux 64-bit'''. Click on '''Save file''' and press '''Ok'''.
+| Scroll down to the '''Download''' and select the '''current stable release''' according to your operating system. I will select '''Linux 64-bit'''. Click on '''Save file''' and press '''OK'''.
 |-
@@ Line 71: / Line 68: @@
 |-
 | 02:31
-| Here you can see the '''tar file'''. Extract this file.A new folder will be created.
+| Here you can see the '''tar file'''. '''Extract''' this file. A new folder will be created.
 |-
 | 02:41
-| Open the folder. Go to '''bin''' and click on '''gmsh '''icon.
+| Open the folder. Go to '''bin''' and click on the '''gmsh '''icon.
 |-
 | 02:49
-| You can see the '''Gmsh '''start screen.Now we will create a cube using '''Gmsh'''.
+| You can see the '''Gmsh '''start screen. Now we will create a cube using '''Gmsh'''.
 |-
 | 02:57
-| Here you can see the cube with side equal to one unit.
+| Here you can see the cube with sides equal to one unit.
 |-