Category Archives: VBA

IP2 and IP2_py

Posted on 11/09/2015 by dougaj4

The IP2 spreadsheet provides functions to calculate: Intersection points of 2D lines or polylines Intersection points of 2 circles, or a line and a circle Intersection circle of two spheres and intersection points of 3 spheres 3D centre point of … Continue reading →

Posted in Coordinate Geometry, Excel, Link to Python, Maths, Newton, UDFs, VBA | Tagged , , , , , , , , , , , | 5 Comments

Reinforced Concrete Moment Curvature – Development over time

Posted on 28/08/2015 by dougaj4

I recently noticed that in the RC Design Functions spreadsheet the TimeCurve function had stopped working.  The function calculates the development of reinforced concrete section curvature over time, and was previously presented in Reinforced Concrete Moment-Curvature – 3; Restrained Shrinkage and Creep and Reinforced … Continue reading →

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

A Loopy Link (and three more)

Posted on 23/08/2015 by dougaj4

For some reason Doug Glancy’s Excel Blog has escaped my attention up till now, but having a browse today, I discovered this loopy animation: which would not have been out of place in Douglas Hofstadter’s “I am a Strange Loop” I really … Continue reading →

Posted in Animation, Computing - general, Excel, Maths, Newton, VBA | Tagged , , , , , | 2 Comments

Filling Blanks with Go To-Special (and local help rant)

Posted on 10/08/2015 by dougaj4

Recently a thread at the Eng-Tips forum prompted me to look for help on the Go To-Special function in Excel.  Pressing F5-Alt S, then clicking the help icon in the dialog box brought up: It seems that the offline help … Continue reading →

Posted in Excel, VBA | Tagged , , , , , , | 13 Comments

ConBeamU 4.05 and ConBeampy 1.02

Posted on 15/07/2015 by dougaj4

The latest update of the two continuous beam spreadsheets can be downloaded from: ConBeamU.zip ConBeampy.zip The main changes are: A problem with point loads applied exactly at a support position has been corrected A function has been added to evaluate … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, UDFs, VBA | Tagged , , , , , | 1 Comment