Category Archives: Finite Element Analysis

3DFrame-py; non-linear with end releases

Posted on 06/12/2024 by dougaj4

The non-linear analysis routines in 3DFrame-py have now been updated to work with beams with end-releases at one or both ends.  Updated files are at: 3DFrame-py.zip See the previous two posts for details of other software required for installation. To … Continue reading →

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

Installing 3DFrame-py

Posted on 08/11/2024 by dougaj4

Updated 1st Feb 2025. As mentioned in the previous post, the installation process for the 3DFrame-py spreadsheet has changed with the new version. Also there have been some significant changes to the code to fix installation problems. Updated files are … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , , , , | 4 Comments

3DFrame-py; with non-linear analysis

Posted on 03/11/2024 by dougaj4

Exactly a year since the previous update I have revised the 3DFrame-py spreadsheet with the addition of non-linear analysis options. The new files can be downloaded from: 3DFrame-py.zip Details of file installation, and required software are at: 3DFrame-py Minor revisions … Continue reading →

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

Scipy Linalg functions stopped working

Posted on 27/10/2024 by dougaj4

I recently noticed that the iterative linear algebra solvers in my pyLinAlgfuncs3.xlsb spreadsheet had stopped working. It turned out that the optional tolerance argument had been renamed ‘rtol’. Changing all the occurrences of the name in the Python code fixed … Continue reading →

Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , , , , , | Leave a comment

Beam geometric non-linear effects – end loads

Posted on 18/10/2024 by dougaj4

Following the previous post, I found some errors in the Python code: These problems have now been fixed, and updated code and a revised spreadsheet have been added to the download file at: py_GeomK.zip The screenshots below show results with … Continue reading →

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