Doc:GettingStarted2007

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Getting started with CAELinux 2007

J.Cugnoni, www.caelinux.com, 2007

Content:

  1. Welcome & Licence terms
  2. Introduction tutorial
  3. Softwares included in CAELinux Beta 2007
  4. Installing & upgrading CAELinux

Welcome & Licence terms:

First of all, we would like to thank you for your interest in CAELinux which we hope will fullfill your needs in Computer Aided Engineering. This Linux distribution is based on the excellent PCLinuxOS 2007 system and includes an allways increasing number of open source modelling, simulation & design softwares. Most of the content (99%) of CAELinux is provided under the well known GPL or LGPL (Gnu Public Licence) which allows you to freely use and redistribute these softwares. But as it is nearly impossible to check the licenses of all included packages, it is your responsibility to verify the licencing terms of the softwares that you are using. The authors of the distribution are not responsible for these licencing aspects and this distribution and all the included softwares are provided without any warranty.

Introduction

User accounts

The predefined login and passwords for CAELinux are:

Normal user account (recommended):

user: caelinux; password: caelinux

Root user account (not recommended for everyday use):

user: root; password: root

Documentation

For a very quick introduction to CAELinux capabilities, you should follow the Installation Manual and the Videos Tutorials.

Introduction / Installation manual (PDF):

See: Doc:InstallationGuide

Video / interactive Tutorials

Linear static stress analysis of a piston (Salome_Meca / Code-Aster)

Interactive tutorial: Doc:PistonTutorial

Simple 3D fluid dynamics analysis of a Y-shaped pipe (Salome & OpenFOAM)

Video tutorial: Doc:PipeTutorial


Softwares included in CAELinux Beta 3

Here is a non exhaustive list of CAE software packages included in CAELinux as well as some key informations to get started. Some of the softwares can be started from Desktop shortcuts or from the CAE start menu, but most of the console based tools will require that you use our special shell called 'Command line tools' (in CAE start menu).

Software Use How to start Installation
directory
Documentation
Salome_Meca_20007 3D CAD,Meshing

Post Processing,

Multiphysics FE analysis
Salome_Meca in CAE start menu /opt/SALOME-MECA-2007.1-GPL - HTML doc accessible inside the application
- Tutorials in /opt/helpers/docs
Salome v3.2.6 3D CAD,

Meshing

Post Processing
Salome_Meca in CAE start menu /opt/SALOME-MECA-2007.1-GPL/SALOME - HTML doc accessible inside the application
- Tutorials in /opt/helpers/docs
Code Aster v9.1 multiphysics FE analysis Can be used from within Salome_Meca  
or  
with the New-FE-analysis wizard  &  the ASTK  / Eficas interfaces
/opt/SALOME-MECA-2007.1-GPL/aster - French documentation available from EFICAS.
-English doc (automatic translations) in /opt/helpers/docs/CodeAsterEnDoc, use SearchHelp.py from this directory to search for keywords in the English docs.

- Tutorials in /opt/helpers/docs

Impact explicit FE dynamics use shortcut in CAE start menu or start /opt/Impact.sh /opt/impact - Documentation available from the interface
- Examples in installation directory
OpenFOAM
v1.4.1
multipurpose CFD oriented solvers use 'CAE console' from CAE start menu or start FoamX interface from CAE menu or /opt/FoamX.sh /opt/OpenFOAM - Examples & tutorials in /opt/OpenFOAM/OpenFOAM-1.4.1
Elmer v5.3 multiphysics FE package use the shortcut from CAE start menu or start 'ElmerFront' from CAE Console /opt/elmer - Documentation in /opt/elmer

- Examples in /opt/elmer
- mesh converter from Salome: 
   /opt/helpers/unv2gmsh.py  
         or
   /opt/helpers/unv2ElmerUNV.py  

Calculix 1.7 pre-post & FE solver, Abaqus-like
syntax
from CAE Console:
start 'ccx' for Calculix solver & 'cgx' for pre-post GUI
/opt/CalculiX - Documentation in /opt/CalculiX/ccx_1.7/doc and 

/opt/CalculiX/cgx_1.7/doc
- Examples in /opt/CalculiX/ccx_1.7/test and /opt/CalculiX/cgx_1.7/examples
- mesh converter from Salome:
  /opt/helpers/UNV2X-GUI.wish
    or

  /opt/helpers/unv2abaqus.py
Code-Saturne  3D CFD/combustion solver from CAE Console:

run /opt/saturne/set_env.sh

and use the different utilities (ecs, ics, ncs ...)
/opt/saturne - Documentation in installation directory, no example available at present time
GMSH 1.65 & 2.0 Scriptable & general purpose geometry modelling, meshing and post processing use shortcut on desktop & start menu, or type 'gmsh' from 'CAE Console' /opt/SALOME-MECA-2007.1-GPL/aster/outils/
(gmsh v1.65)

/opt/gmsh/gmsh2  (gmsh v2)
- tutorials & demos in installation directory
Gerris flow solver v0.6.0 2D / 3D  CFD solvers based on automatic octree mesh refinement use from 'CAE Console' :
gerris2D, gerris3D, ...
/opt/gerris - examples & tests in installation directory
MBDyn multibody dynamics use from 'CAE Console' :
start 'mbdyn' 
/opt/mbdyn - Documentation & examples in installation directory
- use 'mbdyn2easyanim.sh' & 'EasyAnimx' for visualization
Tochnog statics & dynamics FE solver use from 'CAE Console' :
start 'tochnog'
/opt/tochnog - Documentation & examples in installation directory
OpenFlower 3D CFD solver use from 'CAE Console' :
 start interface 'OpenFlowerGUI'
or solver 'OpenFlower'
/opt/openflower - Documentation & examples in installation directory
Dynela non-linear explicit dynamics use from 'CAE Console' :
 start interface 'DynELA_gui'
or solver 'Dynela_solve'
/opt/dynela - Documentation & examples in installation directory
Dolfyn CFD 2D/3D CFD solver use from 'CAE Console'ö
 run 'dolfyn'
/opt/dolfyn - Documentation & examples in installation directory
GetDP general PDE solver  from 'Command line tools' console: start solver 'getdp' /opt/getdp - Documentation & examples in installation directory
- can be started from GMSH
Octave + Octave-Forge MATLAB compatible mathematical programming from CAE menu, or type 'octave' in any console /usr/local/bin - Help available from within the octave shell, with the 'help' command
Scilab Matlab/Simulink-like mathematical programming environment from  CAE menu, or type 'scilab' in any console /opt/scilab/scilab-4.1 - Help, examples, demos available from within the Scilab GUI
wxMaxima Maple like symbolic computing environment from shortcuts on desktop or CAE menu, or type 'wxmaxima' in any console /usr/local/bin - Help, examples, demos available from within the wxMaxima GUI
R and RKWard Mathematical modelling & statistics (similar to S-Plus) from CAE softwares/Math start menu
or from a console with 'rkward'
/usr/bin  - Help available from within the RKWard interface
Paraview general purpose 3D visualization software from 'CAE Console':
start 'paraview'  or 'paraFoam' for OpenFOAM specific post pro
/opt/OpenFOAM/linux/
paraview-2.4.4
- Basic help in OpenFOAM documentation
QCAD 2D CAD program from Multimedia/Graphics start menu or type 'qcad' from any console /usr/bin
Netgen 3D mesh generator from CAE Console: run 'ng' /opt/netgen  - In installation directory
Tetgen 3D mesh generator from CAE Console: run 'tetgen' /opt/tetgen  - In installation directory
other usefull tools Several usefull tools, documents and examples are provided in /opt/helpers directory:


- CreateJob.py: GUI to create a Code-Aster FE analysis from template & Salome MED mesh

- Unv2X, unv2abaqus, ...: a set of python scripts to facilitate mesh conversion from UNV (Salome for example) to other solvers like Calculix, Elmer or OpenFOAM.

- GenEnsightCase.py: a python script to generate an Ensight .case file from an Ensight ouput directory generated by Code-Aster.

- /opt/helpers/docs/CodeAsterEnDoc/SearchHelp.py: a simple GUI to search for strings in the English Doc of Code Aster

- /opt/helpers/docs/tutorials and /opt/helpers/docs/examples contains some interesting tutorials on combined use of Salome & Code-Aster


Installing & upgrading CAELinux

Thanks to the very simple PCLinuxOS installer, you can very quickly turn your LiveDVD based CAELinux environment to a full featured hard disk install which will let you customize and update your system as you may want. We will not detail the installation steps here, but we highly recommend that you read the documentation on the PCLinuxOS Wiki section at http://www.pclinuxos.com. To install CAELinux Beta 3 on hard disk, you will need at least 10Gb of free space on an ext3 partition and preferably 1Gb on a Linux Swap partition (use PCLinuxOS disk partitionning tool to resize or create your partitions & BACKUP your data FIRST).


After installation, you will be able to customize your OS, install new packages & update your system (kernel, 3D drivers etc...) with the very efficient PCLinuxOS Control Center (in Menu->Configuration). From there, you will be able to configure all the aspects of the system and directly install & update softwares from Internet with the Synaptics software package manager.


For more information about the OS, drivers, kernel, etc.. please visit http://www.pclinuxos.com

For any other question regarding CAELinux or one of the included software, you can visit our forums at http://www.caelinux.com