### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Commenting a block of code in VBA
- Using Goal Seek on Multiple Cells
- Solving Quadratic, Cubic, Quartic and higher order equations; examples
- Using LINEST for non-linear curve fitting
- Cubic Splines
- The angle between two vectors, Python version
- Fitting high order polynomials
- Solving cubic and quartic equations with Excel
- Fine as a Bee's wing
- Drawing in Excel 7 - Creating drawings from coordinates

### Recent Comments

Tony on Transfer of arrays to/from Pyt… Suelio Josileissu on Using Redim and 3DFrame dougaj4 on 2 more Moves Through the … Larry on 2 more Moves Through the … Joan Gonzalez on Converting from global to loca… dougaj4 on Time in hours and minutes betw… dougaj4 on Time in hours and minutes betw… Jeff Weir on Time in hours and minutes betw… Doug Glancy on Time in hours and minutes betw… 2 more Moves Through… on More moves through the fa… audeser on Daily Download 9: Animation in… audeser on Daily Download 9: Animation in… audeser on Daily Download 9: Animation in… dougaj4 on Daily Download 9: Animation in… dougaj4 on Reinforced Concrete – UL…

# Tag Archives: section properties

## Using Section Properties- Group

Following a recent comment I have updated the documentation for finding the section properties of groups of shapes in the Section-Properties-Group spreadsheet. The revised file can be downloaded from: Section Properties07-Group.zip The screenshots below illustrate use of the Group function to … Continue reading

## Section Properties with MeshPY, including torsion and warping

I recently discovered robbie van leeuwen’s structural engineering blog, which has an open-source set of Python routines for calculation of section properties, including torsion and warping constants. The program uses the MeshPY Library for generating the finite element meshes required … Continue reading

Posted in Beam Bending, Concrete, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, Strand7, UDFs, VBA, xlwings
Tagged Excel, MatPlotlib, MeshPY, Python, section properties, Torsion, UDF, VBA, Warping
7 Comments

## Section Properties – Lunes and Groups

Following a discussion at Eng-Tips and resulting comments I have updated my Section Properties spreadsheet to include calculation of the area and centroid of a “Lune” (the shape of a crescent moon). I have also added a “Re-draw Shape” button because … Continue reading

Posted in Drawing, Excel, Maths, Newton, VBA
Tagged Excel, group properties, Lune, section properties, VBA
2 Comments

## Section Properties Update

The Section Properties spreadsheet provides formulas for the section properties of 35 different defined shapes, calculation of section properties from coordinates, and interactive calculation and plotting of any chosen shape with defined dimensions: The latest version added the function to … Continue reading

Posted in Excel, Maths, Newton, VBA
Tagged Excel, section properties, Section properties of grouped shapes, VBA
2 Comments

## Dividing shapes into layers

For reasons that will become apparent in a later post, I need to rotate irregular polygons, defined by the coordinates of each corner, by a specified angle, and then split the resulting shape into horizontal trapezoidal layers. I have written … Continue reading

Posted in Coordinate Geometry, Excel, Maths, UDFs, VBA
Tagged divide shape into layers, Excel, rotate coordinates, section properties, UDF, VBA
8 Comments

## Section properties for groups of defined shapes

Following a discussion at Eng-Tips, I have modified the section properties spreadsheet (presented here) so that section properties can be found for groups of defined shapes, including provision for translation and rotation of each shape, and application of different E … Continue reading

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA
Tagged Excel, section properties, section properties of multiple shapes, VBA
13 Comments

## Area from Vectors

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 Area, coordinates, Excel, section properties, UDF, VBA, vectors
5 Comments