Author Archives: dougaj4

Lennox Bridge

Posted on 08/05/2020 by dougaj4

Last December I joined Bill Harvey on a visit to Lennox Bridge west of Sydney.  Bill has now documented the visit in his Bridge of the Month site, including history, comments on the structural form, and a dynamic 3D model … Continue reading →

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The Concrete Institute of Australia – Golden Jubilee

Posted on 25/04/2020 by dougaj4

The Concrete Institute of Australia will celebrate 50 years in 2020. The Institute was originally formed when members of the Australia Prestressed Concrete Group proposed a change in 1968 where it was resolved to adopt the name Concrete Institute of … Continue reading →

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The String Family

Posted on 23/04/2020 by dougaj4

According to their web site, The String family are: A family of classically trained string players who launched their musical career by hitting the road full time from 2016 through 2018, bringing music to people around Australia. Featuring 2 cellos, … Continue reading →

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Getting near matches from a list with Python

Posted on 19/04/2020 by dougaj4

To return a list of near matches from a long list of strings would be quite difficult in VBA (unless I’m missing something), but in Python it is very simple.  Here is the code for this operation, using pyxll to … Continue reading →

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Dancing Pendulums Revisited

Posted on 12/04/2020 by dougaj4

I have previously posted on Dynamically Defined Dancing Pendulums, using the Strand7 FEA program to generate the motion of a series of pendulums of varying length.  I have now updated that video using the latest Beta version of the program (Rel … Continue reading →

Posted in Animation, Finite Element Analysis, Frame Analysis, Newton, Strand7 | Tagged , , , , , | Leave a comment