Category Archives: Link to Python

FEA slope analysis; effect of mesh size

Posted on 31/07/2016 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 27/07/2016 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 17/07/2016 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

xlwSciPy 1.7

Posted on 17/04/2016 by dougaj4

Following recent posts on xlwings 0.7.1, dictionaries, and optional arguments and xlwings – dataframes and statistics, I have added the associated functions and examples to the xlwSciPy spreadsheet, and also updated it to xlwings 0.71. The new spreadsheet can be … Continue reading →

Posted in Excel, Link to Python, Maths, Newton, NumPy and SciPy, Python Pandas, UDFs, VBA | Tagged , , , , , , , , | 4 Comments

xlwings – dataframes and statistics

Posted on 12/04/2016 by dougaj4

Another data conversion option offered by the latest xlwings release is Pandas dataframes and dataseries.  This post will look at how to pass an Excel range as a dataframe or dataseries in a User Defined Function (UDF), and some simple … Continue reading →

Posted in Excel, Link to Python, Maths, Newton, Python Pandas, UDFs, VBA | Tagged , , , , , , , | 4 Comments