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INTRODUCTION TO POSTPROCESSING FINITE ELEMENTS RESULTS WITH AVS

by
Harrison Poon, Mike Folk, and Fouad Ahmad

 

  Linking an FE Software (ABAQUS) with HDF

  • The ABAQUS results file ".fil" is the medium through which analysis results may be carried over into other software, such as postprocessing programs. (Chapter 7 of the ABAQUS User's Manual)

  • The results file is written using ABAQUS internal data management routines in order to minimize I/O cost.

  • Therefore, the ABAQUS utility subroutine libraries must be linked with the user program that extract data from the results file.

  • This is accomplished by running the ABAQUS execution procedure and specifying the make parameter (Chapter 11 of the ABAQUS User's Manual).

  • The results file can be ASCII or binary and it is more economical to generate an HDF file from a binary results file.

  • Example of commands to generate a .fil results file : 
    *NODE FILE
U
EL FILE, POSITION=CENTROIDAL
S
*END STEP

    • Lines (1) and (2) tell ABAQUS to store certain nodal data (in this case the complete displacement vector) in the .fil file.

    • Lines (3) and (4) do the same for element data (in this case the complete stress components).

 

Please examine the following FORTRAN program which contains subroutine calls to both the HDF and the ABAQUS utility libraries:

The FORTRAN program fil2hdf_2D.f Read About:

 

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