Tag Archives: Fortran

FEA slope analysis; effect of mesh size

Posted on July 31, 2016 by dougaj4

The last version of the FEA slope analysis spreadsheet (presented here) allows the slope shape and element density to be easily varied.  This post looks at the effect of varying the density from very coarse to fine, with constant soil … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Link to dll, Link to Python, Newton, VBA | Tagged , , , , , , , , , , | Leave a comment

Linking Excel to Fortran with ctypes; update

Posted on July 27, 2016 by dougaj4

In the previous post arrays were created in Python and passed to a Fortran dll as ctype pointers.  The data written to these arrays in the Fortran routines was then converted back to Python arrays with statements such as: nodedisp = npc.as_array(nodedisp).  … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Link to dll, Link to Python, Newton, NumPy and SciPy, VBA | Tagged , , , , , , , , , , | 3 Comments

Linking Excel to Fortran, via xlwings, Python and ctypes

Posted on July 17, 2016 by dougaj4

Continuing the recent series on using Fortran code published in Programming the Finite Element Method (5th ed. John Wiley & Sons, I.M. Smith, D.V. Griffiths and L. Margetts (2014)), this post looks at linking Excel to Fortran code compiled as … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Link to dll, Link to Python, Newton, NumPy and SciPy, VBA | Tagged , , , , , , , , , , | 2 Comments

Compiling Fortran code for Windows

Posted on July 4, 2016 by dougaj4

This post is a continuation of a recent series, using Fortran code published in  Programming the Finite Element Method (5th ed. John Wiley & Sons, I.M. Smith, D.V. Griffiths and L. Margetts (2014)). The compiled file provided in the download should … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Newton, VBA | Tagged , , , , , , , | 2 Comments

Running exe files from Excel

Posted on June 30, 2016 by dougaj4

Following on from the previous post (running a compiled Fortran finite element analysis program from Excel), this post looks at the details of calling any command line routine from Excel, through VBA.  The important points that need to be addressed are: Writing … Continue reading →

Posted in Computing - general, Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Newton, VBA | Tagged , , , , , , , | 2 Comments