Category Archives: Newton

RC Design Functions 8_03

Posted on 30/04/2019 by dougaj4

The RC Design Functions 8_03 spreadsheet is now available for free download from: RC Design Functions8.zip The main changes are: The NA layer check has been corrected for compression steel in tension The new AS 3600 crack width and curvature … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 11 Comments

The Largest Early World Map …

Posted on 25/04/2019 by dougaj4

… is unveiled for the first time: Click image for link to map with pan and zoom: On July 25, 01585, near the end of a century of unprecedented change, four Japanese boys stopped in Milan on their way back … Continue reading →

Posted in Newton | Tagged , | 2 Comments

3D Frame with zero stiffness hinges

Posted on 09/04/2019 by dougaj4

The previous version of 3DFrame allowed for spring releases at beam ends, but if the release stiffness was entered as zero it was treated as a rigid connection for that freedom.  Effectively zero stiffness releases could be modelled by entering … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton | Tagged , , , , , | 11 Comments

Rubick’s Cube Solves Itself

Posted on 29/03/2019 by dougaj4
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Numerical Integration; Tanh-Sinh Quadrature v. 4.42

Posted on 17/03/2019 by dougaj4

Back to Newton and Excel. I recently received a new update to the Tanh-Sinh Quadrature spreadsheet from Graeme Dennes, which may be downloaded from: Tanh_Sinh Quadrature. From the Readme: The Tanh-Sinh quadrature workbook has been enhanced as follows: The Tanh-Sinh … Continue reading →

Posted in Charts, Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , , | 10 Comments