Category Archives: Frame Analysis

Solving the 4 point lift problem …

Posted on 10/03/2024 by dougaj4

… with Excel, Python and pyxll. The problem involves the lifting of a precast concrete panel (or any other long thin object) with lifting points at four sections along the length of the panel, and with the load connected to … Continue reading →

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

Scipy Functions with Excel and pyxll 7 – Linear Algebra

Posted on 01/01/2024 by dougaj4

This post looks at linking Excel to the Scipy linear algebra functions using pyxll, and also using the PyPardiso solver. Previous posts on this topic include: The pyLinAlgfuncs3 spreadsheet, with associated Python code in pyLinalgfuncs3.py and pyScipy3.py, are included in the … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , , , , , | 1 Comment

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