Author Archives: dougaj4

Evaluate Function

Posted on 22/04/2008 by dougaj4

It would often be convenient to evaluate a function entered as text; for instance if we have the function for the deflection of a cantilever under point loading at the end: F*L^3/(3*E*I) then it would be convenient to be able … Continue reading →

Posted in Excel, Maths, UDFs | Tagged , , | 9 Comments

The history of the theory of beam bending – Part 2

Posted on 20/04/2008 by dougaj4

Before moving on from Galileo, Mariotte and Parent, let’s examine a peculiarity arising from the testing of their formulas. Jacques Heyman in “The Science of Structural Engineering” states: “… then the new calculation of bending strength [by Parent] gave a … Continue reading →

Posted in Beam Bending, Newton | Tagged , , , , , , , | 3 Comments

Bach and Newton

Posted on 04/04/2008 by dougaj4

Bach’s Music and Newtonian Science: A Composer in Search of the Foundations of His Art CHRISTOPH WOLFFhttp://www.bachnetwork.co.uk/ub2/wolff.pdf

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Difference of Opinion

Posted on 28/03/2008 by dougaj4

Found whilst browsing: http://diff-op.blogspot.com/ about Difference of Opinion The following articles, reprinted by agreement with IOP Publishing Ltd, formed a regular diary column in Scientific Computing World magazine betweeen September 1997 and February 2000.Difference of Opinion was co-written by Ray … Continue reading →

Posted in Computing - general, Newton | Leave a comment

Reinforced Concrete Section Analysis – 1

Posted on 25/03/2008 by dougaj4

Increased yield strengths of reinforcing steels have increased the importance of the Serviceability Limit State in reinforced concrete design, with SLS reinforcement stresses, crack widths, or deflections often controlling the design. Elastic analysis of a rectangular section under pure bending can … Continue reading →

Posted in Beam Bending, Newton | 4 Comments