Tag Archives: section properties

Section Properties for Rotated Shapes

Posted on August 6, 2020 by dougaj4

I have just posted an update to my section properties spreadsheet, last discussed at: Using Section Properties- Group The new version can be downloaded from: Section Properties07-Group.zip The main sheet provides section properties for a wide variety of defined shapes: This … Continue reading →

Posted in Beam Bending, Coordinate Geometry, Excel, Frame Analysis, Maths, Newton, UDFs, VBA | Tagged , , , , | Leave a comment

Using Section Properties- Group

Posted on June 24, 2018 by dougaj4

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 →

Posted in Coordinate Geometry, Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , | 8 Comments

Section Properties with MeshPY, including torsion and warping

Posted on December 9, 2017 by dougaj4

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 , , , , , , , , | 11 Comments

Section Properties – Lunes and Groups

Posted on July 8, 2015 by dougaj4

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 , , , , | 2 Comments

Section Properties Update

Posted on November 2, 2014 by dougaj4

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 , , , | 2 Comments