Category Archives: Newton

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

High definition Mandelbrot

Posted on 15/06/2024 by dougaj4

There have been several posts here about generating animations of the Mandelbrot set, most recently at Display Matplotlib animations in Excel, but using standard 64 bit floats you rapidly run out of precision. However, using arbitrary precision arithmetic, and with sufficient … Continue reading →

Posted in Bach, Computing - general, Newton | Tagged , , , | Leave a 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