Author Archives: dougaj4

More on RC design of circular sections

Posted on 23/12/2020 by dougaj4

Following the last post on this topic (Reinforced Concrete Design for Circular Sections to Eurocode 2) I have added provision for parabolic-linear concrete stress blocks to the ULS Design Functions spreadsheet. The Circu function in the RC Design Functions spreadsheet has … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , | 6 Comments

More Open Source FEA Code Links

Posted on 19/12/2020 by dougaj4

The book Nonlinear Finite Element Analysis of Solids and Structures 2nd Edition has an associated python code package called pyFEM, but a search for this code finds several others with the same or similar names: The pyFEM sites associated with the … Continue reading →

Posted in Finite Element Analysis, Frame Analysis, Link to Python, Newton | Tagged , , , | Leave a comment

Lost Sydney

Posted on 17/12/2020 by dougaj4

Lost Sydney is a Facebook site with 100’s of photographs of Sydney, some dating back well over 100 years. This is Sydney’s story. Lost Sydney is not just about demolished buildings, it’s also about photos of Sydney’s past. Lost Sydney

Posted in Arch structures, Bach, Historic Bridges, Newton | Tagged , , | Leave a comment

Extracting text from an Internet table

Posted on 11/12/2020 by dougaj4

For use in my Units spreadsheet (Units4Excel) I want to extract the unit conversion values from the comprehensive Wikipedia unit conversion table. On Wikipedia the table looks like this: and when copied and pasted as Unicode text into Excel, like … Continue reading →

Posted in Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 3 Comments

Tanh-Sinh Quadrature update

Posted on 26/11/2020 by dougaj4

Following some comments here Graeme Dennes and I have modified the start-up code for the Tanh-Sinh Quadrature spreadsheet to avoid problems opening the file when first downloaded, or copied to a new computer. The new file is located (as before) … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , | Leave a comment