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Blogs about: Vba Excel

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Daniel's XL Toolbox

dougaj4 wrote 2 days ago: I downloaded this yesterday: Daniel’s XL Toolbox “Daniel’s XL Toolbox is a free, o … more →

Tags: Excel, Open-Source, Toolbox, vba

Reinforced Concrete Moment-Curvature - 1

dougaj4 wrote 6 days ago: The flexural curvature of any beam composed of material with linear elastic behaviour, subject to a … more →

Tags: Beam Bending, Concrete, Excel, newton, UDF's, cracked, curvature, deflections, Reinforced Concrete

Reinforced Concrete Section Analysis - with prestress1 comment

dougaj4 wrote 1 month ago: The simplified reinforced concrete section analysis spreadsheet presented here has been revised to a … more →

Tags: Beam Bending, Concrete, Excel, newton, UDF's, curvature, EC2, Prestressed Concrete, Reinforced Concrete

Reinforced Concrete Section Analysis - with prestress1 comment

dougaj4 wrote 1 month ago: The simplified reinforced concrete section analysis spreadsheet presented here has been revised to a … more →

Tags: Beam Bending, Concrete, Excel, newton, UDF's, curvature, EC2, Prestressed Concrete, Reinforced Concrete

Three UDFs1 comment

dougaj4 wrote 1 month ago: This post is in response to recent discussions at Daily-Dose-of-Excel where many and various workshe … more →

Tags: Excel, UDF's, U.D.F., vba, SumSkip, SumDig, tabulate

LatPile - Analysis of Lateral Loads on Piles

dougaj4 wrote 2 months ago: This post presents an Excel User Defined Function (UDF) to carry out the analysis of vertical piles … more →

Tags: Excel, UDF's, newton, Beam Bending, geotechnical engineering, U.D.F., vba, COM624, LPile

Approximate Solutions of Polynomial Equations

dougaj4 wrote 2 months ago: Following on from the previous post, this post presents a number of methods of solving polynomial eq … more →

Tags: Excel, maths, newton, UDF's, Cubic, Newton-Raphson method, polynomial, Quartic, UDA

Evaluating Polynomial Functions4 comments

dougaj4 wrote 2 months ago: A polynomial function is a function of the form: a + b*x + c*x^2 + d*x^3 … and the derivative … more →

Tags: Excel, UDF's, maths, U.D.F., vba, Evaluate polynomial

Randomising a list

dougaj4 wrote 3 months ago: A list can be sorted into random order by inserting a list of random numbers in an adjacent column a … more →

Tags: Excel, vba, Randomise, combsort

Listing sheet names3 comments

dougaj4 wrote 3 months ago: Answering my own question from the previous post, here is a short UDF that will return a list of wor … more →

Tags: Excel, UDF's, U.D.F., vba, sheet names

Continuous beam with varying stiffness

dougaj4 wrote 3 months ago: Previous Splinebeam post One of my aims in developing the splinebeam function is to carry out non-li … more →

Tags: Excel, UDF's, maths, newton, Beam Bending, arrays, Finite Element Analysis, U.D.F., vba

Finding Circle Centres in 3D

dougaj4 wrote 3 months ago: In 2 new functions for IP.xls I described two Excel User Defined Functions (UDFs) to find the radius … more →

Tags: Excel, UDF's, maths, newton, Coordinate Geometry, U.D.F., vba, Circle Centre, RADIUS

Continuous beam with specified end conditions ...1 comment

dougaj4 wrote 3 months ago: … and/or support displacements. The previous post in this series derived cubic splines with sp … more →

Tags: Excel, UDF's, maths, newton, Beam Bending, arrays, Finite Element Analysis, Frame Analysis, U.D.F.

Using Goal Seek on Multiple Cells1 comment

dougaj4 wrote 4 months ago: The Excel “goal seek” function is useful and powerful, but the procedure for using it on … more →

Tags: Excel, maths, goal seek, Quartic, vba

Update to Frame4.xls

dougaj4 wrote 4 months ago: It was recently pointed out to me that the non-uniform load calculation in Frame4.xls gave incorrect … more →

Tags: Excel, Finite Element Analysis, Frame Analysis, newton, vba

Two new functions for IP.xls

dougaj4 wrote 4 months ago: In response to this thread at the Eng-Tips forum I have added two new functions to my IP.xls spreads … more →

Tags: Excel, maths, UDF's, center, Circle Centre, IP.xls, RADIUS, U.D.F., vba

More on cubic splines9 comments

dougaj4 wrote 4 months ago: The previous two posts used cubic splines with the “natural” end condition, that is with … more →

Tags: Excel, UDF's, maths, newton, Beam Bending, Frame Analysis, U.D.F., vba, Cubic spline

Continuous beam analysis with cubic splines

dougaj4 wrote 4 months ago: The last example in the previous post illustrated the use of cubic splines to find the bending momen … more →

Tags: Excel, UDF's, maths, newton, Beam Bending, arrays, Finite Element Analysis, Frame Analysis, U.D.F.

Cubic Splines1 comment

dougaj4 wrote 4 months ago: Cubic splines are used to fit a smooth curve to a series of points with a piecewise series of cubic … more →

Tags: Beam Bending, Excel, newton, UDF's, continuous beam, Cubic spline, U.D.F., vba


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