Category Archives: Beam Bending

Python for VBA users- 6; Using Pysparse with Excel

Posted on 29/10/2013 by dougaj4

Previous Python Post The analysis of structural frames requires the solution of large sparse matrix systems, which rapidly becomes very time consuming using a VBA based solver, especially for 3D analysis.  I have previously presented versions of my frame analysis … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, VBA | Tagged , , , , , | 1 Comment

Using RC Design Functions 4 – Umom and new MaxAx function

Posted on 21/07/2013 by dougaj4

Previous post in this series. Download latest version of RC Design Functions6. Previous posts in this series have looked at elastic design functions.  We now move on to functions for ultimate limit state (ULS) analysis of reinforced concrete sections: UMom: … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , , , , | 6 Comments

Concrete ULS spreadsheet update-2

Posted on 17/07/2013 by dougaj4

The concrete ULS design spreadsheet last posted at: Concrete ULS spreadsheet update has been updated to fix a problem encountered with non-symmetrical reinforcement using the Eurocode 2 rectangular stress block. Download from ULS Design Functions. Typical input and output interaction diagram are … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , | 11 Comments

Using RC Design Functions – 3

Posted on 08/06/2013 by dougaj4

In the previous post in this series I looked at the results available from the EStress function in the RC Design Functions spreadsheet.  Three associated functions are: EstressCap PLCurve TStiff EStressCap finds the maximum bending moment for a specified axial load, … Continue reading →

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

Using RC Design Functions – 1

Posted on 10/05/2013 by dougaj4

Download RC Design Functions (includes full open source code) and EStress Examples.xlsx This series of posts will cover ways of using the many functions contained in the RC Design Functions spreadsheet, starting with some general comments on using the User … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , | 13 Comments