Category Archives: Strand7

2DFrame-py

Posted on 27/03/2026 by dougaj4

… and 3DFrame-py update. I have added code to the 3DFrame-py module to allow simplified input for 2D frame analysis. The revised code and example spreadsheets can be downloaded from: 3DFrame-py.zip There are also miscellaneous minor revisions to the 3DFrame … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, Strand7, UDFs | Tagged , , , , , , , , | Leave a comment

py_xlCBA – Supports with defined deflections

Posted on 29/01/2026 by dougaj4

As stated in the previous post, this post will cover the calculation of beam actions and displacements when one or more supports have a defined vertical displacement, using the pyCBA beam analysis package. The Python code has been updated since … Continue reading →

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py_xlCBA update

Posted on 18/01/2026 by dougaj4

Following the previous post the py_xlCBA spreadsheet and associated code have been updated. The updated files, including open-source code, can be downloaded from: py_xlCBA.zip Note that the link in the previous post was downloading the wrong file, and has just … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , , | 1 Comment

Calling PyCBA from Excel

Posted on 04/01/2026 by dougaj4

PyCBA is a Python based continuous beam analysis program. From the on-line docs: I have set up a spreadsheet based on py_Conbeam that converts the py_Conbeam input to PyCBA format, then runs the PyCBA analysis and returns the results to … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , | 1 Comment

py_ConBeamU and Strand7 check updates-2

Posted on 30/12/2025 by dougaj4

Recent work with the py_ConBeamU spreadsheet found that it was returning incorrect results when the last support had a rotation spring restraint. In spite of the checks against Strand7 having 90 different support conditions, none of them included this one, … Continue reading →

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