Category Archives: Concrete

Plane Strain FEA – Non linear staged analysis

Posted on 13/08/2016 by dougaj4

Continuing the recent series of posts featuring Fortran based FEA routines, the spreadsheet from the previous post has been revised: The spreadsheet allows for a staged analysis, with additional elements placed in layers for any number of construction stages. Temporary loads … Continue reading →

Posted in Beam Bending, Concrete, Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Link to dll, Link to Python, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , , , , , , | 1 Comment

Automating Goal Seek with RC Design Functions

Posted on 29/05/2016 by dougaj4

As promised in the previous post, I will now look in more detail at the process for automating the Excel Goal Seek function with the RC Design Functions spreadsheet, to calculate reinforcement area or section depth for a range of bending … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , | 10 Comments

RC Design Functions update

Posted on 21/05/2016 by dougaj4

Following a comment here I have updated my RC Design Functions spreadsheet, which is available for free download (including full open-source code) from: RC Design Functions7.zip The main new features in the latest version are: The existing optional “depth” argument has … Continue reading →

Posted in Arrays, Beam Bending, Concrete, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment

If it keeps on straining …

Posted on 13/05/2016 by dougaj4

… concrete’s goin’ to break: To find out what this has to do with predicting concrete deflections, book into the Concrete Institute seminar on “Finite Element Analysis of Concrete Structures”: Finite Element Analysis of Concrete Structures – Software and Practice … Continue reading →

Posted in Bach, Beam Bending, Concrete, Newton | Tagged , , , | Leave a comment

Solving non-linear equations with two or more unknowns – 5

Posted on 20/10/2015 by dougaj4

This will be the last of the series on solving non-linear equations (for now).  Up until now all the examples have had two unknown values, and two target values.  This can be extended by making three changes to the code: … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , , , , , , , | 3 Comments