Category Archives: VBA

Two views on VBA

Posted on April 28, 2023 by dougaj4

First from Microsoft: Microsoft are continuing their quest to make downloading spreadsheets with macros ever more difficult, and now any downloaded spreadsheet has VBA code disabled by default. Unblocking the code (if you know and trust the source of the … Continue reading →

Posted in Excel, VBA | Tagged , , , | 2 Comments

ULS Design Functions 2.16

Posted on February 25, 2023 by dougaj4

The ULS Design Spreadsheet has now been updated to Version 2.16, which can be downloaded from: ULS Design Functions The main new feature is the option to design for prestress loads applied to circular tanks. Due to axi-symmetric effects, when … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , | 1 Comment

Using ConbeamU

Posted on January 20, 2023 by dougaj4

This post was prompted by a thread at Eng-Tips: https://www.eng-tips.com/viewthread.cfm?qid=501339 The beam analysis functions in the ConbeamU spreadsheet allow for the use of any SI units, or any non-SI units found in the long list included with the spreadsheet. I … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , , , , | 5 Comments

RC Design Functions 9.03; compression strut angle adjustment

Posted on November 11, 2022 by dougaj4

The RC Design Functions spreadsheet has now been updated to Version 9.03, and is available for free download from: RC Design Functions9.zip The new version includes a number of corrections to the calculation of beam shear and torsion capacity to … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , | 1 Comment

Solving cubic equations – background and timing

Posted on October 25, 2022 by dougaj4

For more information on the polynomial functions, including quartic and higher order solvers, see: Solving Quadratic, Cubic, Quartic and higher order equations; examples Re-reading the Wikipedia article on solving cubic equations, I noticed that the trigonometrical solution for finding 3 real … Continue reading →

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