Category Archives: Beam Bending

3DFrame-py; with non-linear analysis

Posted on 03/11/2024 by dougaj4

Exactly a year since the previous update I have revised the 3DFrame-py spreadsheet with the addition of non-linear analysis options. The new files can be downloaded from: 3DFrame-py.zip Details of file installation, and required software are at: 3DFrame-py Minor revisions … Continue reading →

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Beam geometric non-linear effects – end loads

Posted on 18/10/2024 by dougaj4

Following the previous post, I found some errors in the Python code: Point loads applied at the left hand end generated incorrect results. The effect of beam deflections on shear forces was not included. These problems have now been fixed, … Continue reading →

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Beam geometric non-linear effects – Python version

Posted on 12/10/2024 by dougaj4

In 2018 I posted Beam geometric non-linear effects with a VBA based spreadsheet to calculate beam actions and deflections under combined transverse and axial load, allowing for geometric non-linear effects. I have now converted the code to Python, linking to Excel … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

Continuous beam analysis from first principles

Posted on 22/09/2024 by dougaj4

This post was prompted by an Eng-Tips question: Statically Indeterminant Beam Problem, asking for reactions due to a triangular distributed load on the middle span of a continuous beam with 3 equal simply supported spans. This could be simply solved … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, UDFs, VBA | Tagged , , , | 3 Comments

py_Conbeam – 5

Posted on 28/08/2024 by dougaj4

… or perhaps one more. Following the previous post I have modified the py_BeamAct3D function to fix some problems with the non-linear analysis. The latest version, together with an additional spreadsheet comparing results with Strand7, can be downloaded from: py_ConBeamU.zip … Continue reading →

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