Users:HowToUseCarat

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Contents

Step 1: Download a Carat++ executable

Carat++ will be available as a precompiled executable here (for academic use, for exercises to specific courses, etc.). Just download the version that you need: (If you do not have a tool to unzip the file, go e.g. to http://www.7-zip.org/)

  • Windows, academic version (tested on Windows XP, Windows Vista, Windows 7):
    • TODO request executable
  • Linux, academic version:
    • TODO Ubuntu request executable
    • TODO other Linux distributions


Step 2: Run Carat++ via Shell or Command Line

  1. Start the shell (in case of Linux) or the command line (in case of Windows):
    • Hint for Windows 7: Go to "Start"(Windows Icon), type "cmd" in the search window, press "Enter".
  2. Browse to directory of your input file
  3. Start Carat++:
    • on Windows: "CARAT_EXE_PATH\Carat.exe INPUT_FILE_NAME.DAT" (CARAT_EXE_PATH stands for the path to the Carat++ executable, INPUT_FILE_NAME.DAT is a placeholder for the input file name)
    • on Linux: user@machine:~/INPUT_FILE_DIRECTRORY> CARAT_EXE_PATH/carat.exe INPUT_FILE_NAME.DAT
      if CARAT_EXE_PATH is exported in .bashrc (export PATH=CARAT_EXE_PATH:$PATH) it can be omitted in the input line
    • Hint for Windows: You can also drag and drop the input file onto the Carat++ executable.

Input example for simple linear static analysis. TODO LINK TO FILE


Input File

A Carat++ input file can be generated manually or with a plug-in

Here a overview of the Carat++ input file will be given.

Carat++ offers an own input file format. This makes sense, as Carat++ offers methods and algorithms that are not available in any other code. In general, this wiki describes all examples in the Carat++ format.

  • Information in the input file is grouped in input blocks
  • Input blocks consist of:
    • an block type name (optional with an specification)
    • an block ID (in general)
    • an list of parameters with an assigned value
  • In general, the order of the blocks in the input file(s) does not matter.

Input Blocks

More info still to come.

Use of Multiple Input Files

Carat++ can treat multiple input files. A PC-INCLUDE Block has to be added to the PC-BLOCK.

Hint: For better readability of large examples, the lenghty blocks of node coordinates or element topology can be written in a separate file.

The following shows a separation of input data into 4 additional files:

PC-INCLUDE
  mesh.dat
  boundaryConditions.dat
  loads.dat
  nodeSets.dat 




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