Tag Archives: Frame Analysis

Python code updates – 3DFrame-py

Posted on 03/11/2023 by dougaj4

Recent changes to how Python treats comparing a Numpy array to an empty list have resulted in some of my functions returning errors and I am in the process of updating them. Specifically, when an optional argument to a function … Continue reading →

Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , , | 2 Comments

3DFrame-py update

Posted on 03/09/2023 by dougaj4

The Python 3DFrame spreadsheet has been updated to allow for analysis including torsional warping effects. The new spreadsheet and associated Python files can be downloaded from: 3DFrame-py.zip The download file includes four sample spreadsheets comparing analysis results with output from … Continue reading →

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

Mastan2

Posted on 26/08/2023 by dougaj4

Mastan2 is a free frame analysis program based on Matlab. The linked site provides alternative downloads for those with or without Matlab installed. The site also provides a link to the book Matrix Structural Analysis, 2nd Edition, by McGuire, Gallagher, … Continue reading →

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

3DFrame-py

Posted on 05/07/2023 by dougaj4

My 3DFrame spreadsheet has now been converted to Python code and can be downloaded from: 3DFrame-py.zip The frame analysis uses the Scipy linear algebra functions called from pyLinalgfuncs3, which must be available on the Python path: pyLinAlgfuncs3.zip The 3DFrame-py download … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, VBA | Tagged , , , , , , , | 3 Comments

Column buckling under multiple loads

Posted on 20/01/2020 by dougaj4

Following another buckling discussion at Eng-tips I have modified my Frame4-buckle spreadsheet to allow input of multiple axial loads at any point along the column, along with any number of sections with different section properties.  Background on the method used … Continue reading →

Posted in AlgLib, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , , , , , | Leave a comment