Category Archives: Newton

3DFrame v1.01

Posted on 03/02/2013 by dougaj4

The 3D frame analysis spreadsheet has been updated to v1.01, with a correction to the calculation of node reactions.  The previous version gave incorrect results for any restrained node at end 2 of any beam. Please download the new version … Continue reading →

Posted in Excel, Frame Analysis, Newton, VBA | Tagged , , , | 2 Comments

Precise Angles and XNumbers

Posted on 28/01/2013 by dougaj4

Further to comments by Georg under: The angle between two vectors, in 2D or 3D I have added four alternative ways of calculating the angle between two 3D vectors to the VectorFunc spreadsheet.  The new version can be downloaded from: http://interactiveds.com.au/software/VectorFunc.xlsb. … Continue reading →

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | Leave a comment

New Page

Posted on 26/01/2013 by dougaj4

In an effort to make the information on this site easier to access I have collected all the “Daily Download” posts from last year onto a new page, listing each of the download posts by category. It’s called “Download by … Continue reading →

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

New Release Alglib Library

Posted on 22/01/2013 by dougaj4

The Alglib Numerical Analysis Library has just been updated.  For full details of the changes see: http://www.alglib.net/arcnews.php#date_18_01_2013 , but the significant change for routines linking to my spreadsheets is that the sparse solver  has been significantly improved and now successfully solves problems … Continue reading →

Posted in AlgLib, Excel, Finite Element Analysis, Link to dll, Maths, Newton | Tagged , , , | Leave a comment

3DFrame – 3D Frame analysis for Excel

Posted on 22/01/2013 by dougaj4

I have now extended the Frame4 spreadsheet to deal with 3D frames.  As well as making the necessary changes to the input ranges and stiffness matrix generation routines I have revised the Sparse solver routine, added a new compiled solver, and … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to dll, Newton, Strand7, VBA | Tagged , , , , | 21 Comments