Tag Archives: Python

Transferring and converting strings in Excel and Python

Posted on 26/12/2016 by dougaj4

The load table for the 3D Frame spreadsheet has a column listing the global axis for each load as text (X, Y, or Z).  In the VBA version the table is converted to a variant array, and the axes are handled … Continue reading →

Posted in Excel, Link to Python, Newton, NumPy and SciPy, VBA | Tagged , , , , , , , , | Leave a comment

Non-linear frame analysis; moment curvature and self-weight

Posted on 10/10/2016 by dougaj4

The Python/Fortran/Excel frame analysis program (previous version here) now has several new features added to the 2D-solver routines: The beam bending behaviour may now be specified with moment-curvature tables, rather than the linear-plastic behaviour required in the previous version. Beam … Continue reading →

Posted in Arch structures, Beam Bending, Concrete, Excel, Finite Element Analysis, Fortran, Frame Analysis, Link to dll, Link to Python, NumPy and SciPy, Strand7, VBA | Tagged , , , , , , , , , , , , , | 1 Comment

xlwSciPy 1.09 – update for xlwings 0.10 and Scipy 0.18.1

Posted on 02/10/2016 by dougaj4

The xlwSciPy spreadsheet (last presented here) has been updated for the latest version of xlwings and Scipy. The new spreadsheet can be downloaded from: xlScipy-xlw.zip including full open source code. The spreadsheet requires Python, including xlwings, Numpy, Scipy and Pandas … Continue reading →

Posted in Arrays, Curve fitting, Excel, Link to Python, Maths, NumPy and SciPy, Python Pandas, UDFs, VBA | Tagged , , , , , , , , | 2 Comments

Non-linear Frame Analysis – Scipy solvers

Posted on 11/09/2016 by dougaj4

The frame analysis spreadsheet presented in the previous post has been updated to use the solvers included in the Scipy package.  There is now an option to use either the Cholesky solver, or an iterative sparse solver.  The main advantages of … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Fortran, Frame Analysis, Link to dll, Link to Python, Newton, NumPy and SciPy, Strand7, UDFs, VBA | Tagged , , , , , , , , , , , , , | 1 Comment

Non-linear Frame Analysis

Posted on 03/09/2016 by dougaj4

Another example 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 provides a spreadsheet based frame analysis program including non-linear bending behaviour and … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Fortran, Frame Analysis, Link to dll, Link to Python, Newton, NumPy and SciPy, Strand7, UDFs, VBA | Tagged , , , , , , , , , , | 5 Comments