Tag Archives: column buckling

Frame4; now with added Alglib

Edit 29 Nov 2012: I have now added an xls version to the download zip file.  This also has a much smaller example model, which will solve quickly using the VBA solver, so will be more useable for anyone having … Continue reading

Posted in AlgLib, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to dll, Newton, UDFs, VBA | Tagged , , , , , | 24 Comments

Daily Download 28: The Hole Through the Middle of the Earth, using ODE solvers, and Three Blokes

Today’s download is based on a series of posts on the “hole through the middle of the Earth”, which by devious means has been tied in with the solution of differential equations, buckling of columns, and a story by Bill … Continue reading

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

Buckling of columns with varying cross section

Following a post in the Eng-Tips Forum about finding the buckling load of a stepped strut I have modified the Frame4 spreadsheet to carry out a buckling analysis of any straight member subject to axial load, including stepped or tapered cross … Continue reading

Posted in Beam Bending, Excel, Frame Analysis, Newton, VBA | Tagged , , , , , , , | 22 Comments

More on buckling columns

Coincidentally, at about the same time as I wrote about column buckling for a column with a point load on the end, Autar Kaw at The Numerical Methods Guy was writing about buckling of columns under self weight, using the theory of … Continue reading

Posted in AlgLib, Beam Bending, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment