Category Archives: Newton

Using the Strand7 API

Posted on 23/09/2011 by dougaj4

Strand7 is a general purpose Finite Element Analysis program, which has an Application Programming Interface (API), allowing external programs to interact with Strand7, including reading and writing to data files, running analyses, and reading the results.  The API is a comprehensive … Continue reading →

Posted in Excel, Finite Element Analysis, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , | 7 Comments

Using Beam Design Functions

Posted on 07/09/2011 by dougaj4

“Beam Design Functions” is an Excel spreadsheet providing a User Defined Function (UDF) that will calculate the stresses, strains, forces and moments in a reinforced or prestressed concrete section subject to any specified bending moment and axial load, using an … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 12 Comments

Spline Interpolation Alternatives

Posted on 04/09/2011 by dougaj4

A recent post at Jon Peltier’s Blog looks at an “on-sheet” method of performing linear interpolation on a set of tabular data, and the following comments include a number of alternative ways of carrying out the same process, and also some … Continue reading →

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | 7 Comments

Yet more new links

Posted on 02/09/2011 by dougaj4

Cosmic Horizons is about  what’s going on within our Event Horizon, and In the Dark is a blog about the Universe, and all that surrounds it, so that just about covers everything I suppose. Have a look, they aren’t just your usual … Continue reading →

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Area from Vectors

Posted on 27/08/2011 by dougaj4

The previous post looked at User Defined Functions (UDFs) for working with vectors, including examples of functions to find the area of polygons defined by coordinates.  In this post the functions will be extended to find other section properties (such … Continue reading →

Posted in Arrays, Coordinate Geometry, Excel, Maths, UDFs, VBA | Tagged , , , , , , | 5 Comments