Category Archives: UDFs

py_ConBeamU

Posted on 21/07/2024 by dougaj4

I have now converted the VBA code in the ConBeamU spreadsheet to Python, connected to Excel via pyxll. The new spreadsheet and associated Python code can be downloaded from: py_ConBeamU.zip In addition to the provided files, the pyxll application is … Continue reading →

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

New Australian Bridge Code and py-RC Elastic update 3

Posted on 30/06/2024 by dougaj4

The Australian Bridge Design Code for concrete (AS 5100.5) was recently updated with Amendment 2 to the 2017 version. There are significant changes in many areas, including design for fatigue loading, where the allowable stress range for concrete under repeated … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, PyXLL, UDFs | Tagged , , , , , , , , | 1 Comment

py_RC Elastic update 2

Posted on 12/06/2024 by dougaj4

Following the previous post, I have added a further new function, and in the process discovered that the py_Estress function was not handling tensile axial loads correctly. That has now been fixed, and the updated spreadsheet and Python files can … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , | Leave a comment

py_RC Elastic update

Posted on 08/06/2024 by dougaj4

Following the previous post I have updated the py_RC Elastic spreadsheet and code to work with the new solver function, and also add new functionality. The updated files can be downloaded from: py_RC Elastic.zip For details of the pyxll app … Continue reading →

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

Scipy solver update

Posted on 31/05/2024 by dougaj4

The py_SolveFS function calls the Scipy optimize.root function to solve multi-variable equations. Examples are found on the py_Solvers spreadsheet, see Scipy Functions with Excel and pyxll 4 – Solvers 2. One problem with using this function is that the input data … Continue reading →

Posted in Excel, Link to Python, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , | Leave a comment