Category Archives: Finite Element Analysis

Strand7 API GetNode functions

As promised in this post, I have written and documented Excel User Defined Functions (UDFs) to interface with all the Strand7 API functions that return node attributes or results.  These 22 functions allow node attributes and results to be read directly … Continue reading

Posted in Excel, Finite Element Analysis, Newton, Strand7, UDFs, VBA | Tagged , , , , , | 5 Comments

VBA code generation on the spreadsheet

A previous post looked at using VBA to generate more VBA code.  This post looks at automatic code generation on the spreadsheet, which may be transferred into the a VBA project using the techniques discussed in the earlier post, or simply … Continue reading

Posted in Arrays, Excel, Finite Element Analysis, Newton, UDFs, VBA | Tagged , , , , , | Leave a comment

Using the Strand7 API

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

Buckling of Tubes

The video here The Surfing Scientist shows a rough and ready experiment demonstrating the superior strength under axial load of cylindrical tubes, compared with square tubes (skip to 1:30 if you are not interested in the chat). The conclusion about … Continue reading

Posted in Finite Element Analysis, Newton | Tagged , , , , | 4 Comments

Dynamically Defined Dancing Pendulums

Following the previous post, I have re-created the animation using a non-linear dynamic analysis inside Strand7, rather than by feeding in the positions of each ball at each time step.  The input using this approach is much simpler; just set … Continue reading

Posted in Finite Element Analysis, Newton | Tagged , , | 2 Comments