Category Archives: Newton

Composite Concrete Beam Analysis

Posted on 10/04/2012 by dougaj4

Composite concrete beams are widely used in both building and bridge structures; typically precast pretensioned beams are combined with an in-situ reinforced concrete slab to provide structures that are both efficient in use of materials and fast and easy to … Continue reading →

Posted in Concrete, Newton | Tagged , , | 4 Comments

Geometry for Joiners

Posted on 03/04/2012 by dougaj4

A question came up on the ABC Self-Service-Science Forum, asking for a solution to find the dimensions of a diagonal brace looking like the diagram below: The solution is not as simple as it might look because the angle of … Continue reading →

Posted in Coordinate Geometry, Excel, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment

Another Post About Everything

Posted on 27/03/2012 by dougaj4

We had a post about everything from xkcd before, but this one is a bit more sophisticated.  You can zoom in from this: down to this: and everything in between, at HTwins.net (if you get an ad for a game, click on … Continue reading →

Posted in Newton | Tagged , | Leave a comment

Strand7 API GetNode functions

Posted on 19/02/2012 by dougaj4

As promised in this post, I have written and documented Excel User Defined Functions (UDFs) to interface with all the Strand7 API functions that return node attributes or results.  These 22 functions allow node attributes and results to be read directly … Continue reading →

Posted in Excel, Finite Element Analysis, Newton, Strand7, UDFs, VBA | Tagged , , , , , | 5 Comments

Animated Pythagoras

Posted on 13/02/2012 by dougaj4

Two animatations of a “wordless” proof of Pythaoras’ Theorem provided by SSSF regular PM 2Ring. This animation is a “wordless proof” of Pythagoras’ theorem. The basic design is an interlocking pattern of coloured squares overlaid with “shadow” squares. In most … Continue reading →

Posted in Animation, Maths, Newton | Tagged , , , | 4 Comments