Author Archives: dougaj4

Debugging VBA – 2

Posted on 11/07/2011 by dougaj4

Following on from the opening post in this series (Debugging VBA) I will now look at the main debugging tools provided in the Visual Basic Editor (VBE): The Immediate Window allows interaction with the code while it is running.  In the … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , , | Leave a comment

Using LatPilePY

Posted on 09/07/2011 by dougaj4

LatPilePY is a User Defined Function (UDF) used to analyse the deflections and load actions in laterally loaded piles.  It was presented in this post: LatPilePY.  In response to an e-mail request, this post will give step by step instructions for … Continue reading →

Posted in Arrays, Concrete, Excel, Geotechnical Engineering, Newton, UDFs, VBA | Tagged , , , , , , | Leave a comment

Buckling of Tubes – 2

Posted on 06/07/2011 by dougaj4

Following on from yesterday’s post, today we’ll look at the buckling of the cylindrical tubes: The tube in this analysis was defined to have a small (0.01 mm) asymmetric bulge at mid height, to initiate buckling.  The video shows that … Continue reading →

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Buckling of Tubes

Posted on 05/07/2011 by dougaj4

The video here The Surfing Scientist shows a rough and ready experiment demonstrating the superior strength under axial load of cylindrical tubes, compared with square tubes (skip to 1:30 if you are not interested in the chat). The conclusion about … Continue reading →

Posted in Finite Element Analysis, Newton | Tagged , , , , | 4 Comments

The Rough Island Band

Posted on 29/06/2011 by dougaj4

Some more from John Elliot (who appeared under the name “the little unsaid” in the previous post), here performing with an aptly named group from the Scilly Isles called The Rough Island Band.  First performing Paul Simon’s “Call me Al”, … Continue reading →

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