OpenFOAM-version-7/C2/Installing-OpenFOAM-in-Ubuntu-Linux/English

Title of the script: Installing OpenFOAM in Ubuntu

Author: Ashley Melvin

Keywords: OpenFOAM, ParaView, Linux, Ubuntu 18.04, video tutorial

Visual Cue	Narration
Slide: Opening Slide	Welcome to this tutorial on Installing OpenFOAM in Ubuntu Linux OS.
Slide: Learning Objective	In this tutorial, we will learn how to install: OpenFOAM version 7 and ParaView version 5.6.0
Slide: System Specifications	This tutorial is recorded using: Ubuntu Linux OS version 18.04 A working Internet connection and A text editor
Only Narration	We will install OpenFOAM using the terminal.
Highlight Terminal on the machine	Open a terminal by pressing Ctrl, Alt and T keys together. Make sure that you are connected to the Internet.
[Terminal] sudo sh -c "wget -O - http://dl.openfoam.org/gpg.key | apt-key add -"	A public key needs to be added to the repository. This key enables the repository to verify OpenFOAM package signatures. To do this, in the Terminal, carefully type the following command and press Enter.
[Terminal] Type the password >> Press Enter.	The machine will ask for the system password. Type the password and press Enter.
Press Ctrl + L	Let me clear the screen.
[Terminal] sudo add-apt-repository http://dl.openfoam.org/ubuntu	Now type the following command and press Enter. This will enable apt to search for dl.openfoam.org in the list of software repositories.
Only Narration	Here onwards, please remember to press the Enter key after typing each command.
Press Ctrl + L	Let me clear the screen.
[Terminal] sudo apt-get update	Now type the following command to update the apt package list.
[Terminal] sudo apt-get -y install openfoam7	The repository is updated. Next let us install OpenFOAM version 7. To do so, type the following command in the terminal.
[Terminal] Point to the installation process	The installation may take some time depending upon your internet speed.
[Terminal] Point to the installation complete message	The installation is done now.
Only Narration	Let’s now configure the system to use the installed OpenFOAM package.
Press Ctrl + L	Let me clear the screen.
[Terminal] gedit ~/.bashrc	Open the .bashrc file located in the Home directory in a text editor. To do so, type the following command. I will be using the gedit text editor. You may use any text editor of your choice.
[Text Editor] source /opt/openfoam7/etc/bashrc	Scroll down to the end of the document. Add the following line of code as shown. This will enable us to execute the OpenFOAM commands via terminal.
[Text Editor] Ctrl + S and close the window	Save and close the file.
Highlight new Terminal on the machine	Since the changes to .bashrc file is yet to be registered, we need to open a new terminal. To open a new terminal, press Ctrl, Alt and T keys together.
[Terminal] simpleFoam -help	In the new terminal, type the following command.
[Terminal] ‘Usage’ message	A message with the list of options is displayed on the terminal. This confirms that OpenFOAM 7 is properly installed.
Press Ctrl + L	Let me clear the screen.
Only Narration	Let us now check the installation of ParaView.
[Terminal] paraview	Type paraview in the terminal.
Highlight ParaView window	The ParaView interface opens in a new window. Close the start-up screen. This confirms that ParaView is properly installed.
[ParaView] Click on close	Close this window.
Only Narration	The installation of OpenFOAM 7 is now complete. We can access OpenFOAM commands from the terminal now.
Only Narration	With this we have come to the end of the tutorial. Let’s summarize.
Slide: Summary	In this tutorial, we have learnt how to: Install OpenFOAM7 Install ParaView version 5.6.0 and Verify the installation
Slide: About the Spoken Tutorial Project	The video at the following link summarises the Spoken Tutorial project. Please download and watch it.
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Slide: Spoken Tutorial	The Spoken Tutorial project is supported by MHRD, Govt. of India. The script for this tutorial is contributed by Ashley. And this is Padmini from IIT Bombay signing off. Thanks for joining.

Contributors and Content Editors

Ashleymelvin, Nancyvarkey