Category Archives: Newton

COM624 download and documentation sites

COM624 is a freeware DOS based program for the analysis of lateral loads on piles produced by the FHWA in the USA.  The program and documentation are available for free download, but are well hidden, so I’m posting links to … Continue reading

Posted in Geotechnical Engineering, Newton | Tagged , , | 11 Comments

Fred Watson on the Big Bang

The multi-talented Fred Watson paid for his studies by playing folk music alongside the likes of Billy Connolly, and now makes a living looking at stars. Here he is talking about Life, The Universe and Everything: Marcus Chown in Conversation … Continue reading

Posted in Bach, Newton | Tagged , , | Leave a comment

Approximate Solutions of Polynomial Equations

Following on from the previous post, this post presents a number of methods of solving polynomial equations using approximate iterative methods in Excel.  Similar methods can be used to find solutions to any other equation that can be evaluated numerically. … Continue reading

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

Evaluating Polynomial Functions

A polynomial function is a function of the form: a + b*x + c*x^2 + d*x^3 … and the derivative (the slope of the line at point x) of this function is given by: b + 2c*x + 3d*x^2 … … Continue reading

Posted in Excel, Maths, UDFs, VBA | Tagged , , , , | 5 Comments

Continuous beam with varying stiffness

Previous Splinebeam post One of my aims in developing the splinebeam function is to carry out non-linear analysis of reinforced concrete beams, allowing for the greatly reduced flexural stiffness of reinforced concrete sections after cracking of the concrete.  To that … Continue reading

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Maths, Newton, UDFs, VBA | Tagged , , , , , , , | 3 Comments