Category Archives: Geotechnical Engineering

Publications

Posted on January 23, 2022 by dougaj4

I have recently updated my list of publications. Click on the “view full-size” icon in the bottom right corner for a full screen view, or click any link to download.

Posted in Concrete, Geotechnical Engineering, Newton, Strand7 | Tagged , , | 4 Comments

Retaining wall analysis – FEA and hand calculations

Posted on August 17, 2016 by dougaj4

I have used the PlateMC spreadsheet described in the previous post to compare the results of a finite element analysis of a retaining wall with a similar analysis using the commercial package Strand7, and a simple hand calculation using Coulomb … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Frame Analysis, Geotechnical Engineering, Link to dll, Link to Python, Newton, NumPy and SciPy, Strand7, UDFs, VBA | Tagged , , , , , , , , , , , , , | Leave a comment

Plane Strain FEA – Non linear staged analysis

Posted on August 13, 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

FEA slope analysis; effect of mesh size

Posted on July 31, 2016 by dougaj4

The last version of the FEA slope analysis spreadsheet (presented here) allows the slope shape and element density to be easily varied.  This post looks at the effect of varying the density from very coarse to fine, with constant soil … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Link to dll, Link to Python, Newton, VBA | Tagged , , , , , , , , , , | Leave a comment

Linking Excel to Fortran, via xlwings, Python and ctypes

Posted on July 17, 2016 by dougaj4

Continuing the recent series on using Fortran code published in Programming the Finite Element Method (5th ed. John Wiley & Sons, I.M. Smith, D.V. Griffiths and L. Margetts (2014)), this post looks at linking Excel to Fortran code compiled as … Continue reading →

Posted in Excel, Finite Element Analysis, Fortran, Geotechnical Engineering, Link to dll, Link to Python, Newton, NumPy and SciPy, VBA | Tagged , , , , , , , , , , | 2 Comments