Category Archives: Finite Element Analysis

Using Frame4 for truss analysis

Posted on 21/02/2013 by dougaj4

The Frame4 spreadsheet is set up to allow the analysias of rigid-jointed 2D frames, but it is simple to use it for 2D truss analysis; simply either provide a moment release at each end of every member, or define every member … Continue reading →

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

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

Extending Frame4 with on sheet formulas

Posted on 11/12/2012 by dougaj4

Still on Frame4, Julien asked if provision could be made for application of local loads, i.e. loads perpendicular to sloping members, rather than just horizontal or vertical.  This will actually be incorporated in the spreadsheet “real soon now”, but it … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, VBA | Tagged , , , , | 3 Comments

Frame4 Version 3.05; with support displacements

Posted on 06/12/2012 by dougaj4

Hot on the heels of Version 3.04 comes Version 3.05. A few days ago Julien asked if the Frame4 allowed for specified support deflections, to which I replied it would be added in the future.  Searching Google on the topic I … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, Strand7, VBA | Tagged , , , , | 7 Comments