2D Frame Analysis



Analysis of a 2D frame subject to distributed loads, point loads and moments
Applied Loads
For distributed loads specify length from the ends of the start and end of the load, and the load intensity at the start and end.
For Point loads and moments specify the position and magnitude
Positions and load lengths are measured along the beam axis, as a ratio of the beam length.
Distributed and point load direction is either "X" (horizontal) or "Y" (vertical)   
Revision History
1.00    15-Feb-09    DAJ    First release
1.01    05-Mar-09    DAJ    VBA matrix solution routine added
1.02    29/03/2009    DAJ    End releases added, beam end actions added, all solution steps moved to VBA
1.03    10/05/2009    DAJ    Frame plot added, shear deformation added, support displacements added
1.04    19/07/2009    DAJ    Distributed load corrected for non-uniform load
1.05    31/12/2009    DAJ    Added check of global restraint in X and Y directions
1.06    30/01/2010    DAJ    Member end release input table headings changed
Calculation Reference
Frame Analysis
Structural Analysis
Finite element methods

Calculation Preview

Submitted On:
12 Apr 2010
File Size:
363.50 Kb
File Version:

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Comments: 6
DougJenkins 10 years ago
Conrad I have placed an Excel 2003 version of the file in the repository. So if you download again you should not have any conversion problems.
DougJenkins 10 years ago
Thanks John, I tried that seems I already had the converter installed. When I eventually found the installation I ran repair. Didn't seem to make any difference. I am getting a conversion error. Though 99kb seems a bit small for a file these days. Or in any case maybe there was an error with the download. I may try downloading it again.
Doug, thanks for the reply. As you say it should be easy enough to setup alternative loadcases, copy them into the analysis, grab the results and report them elsewhere.
Another possibility for the problems opening the file is the file uploaded to ExcelCalcs, is incomplete. Doesn't appear to be much built-in error checking in the file transfer process.
The other day I downloaded the upgrade for Multiframe and only got 3% of the file with no warning. So my internet connection does not appear to be overly reliable.
DougJenkins 10 years ago
Conrad - you should be able to run the xls file in Excel 2003 and earlier versions.
All loads entered on the load sheet will be treated as a single loadcase, but it would be fairly easy to set up separate loadcases elsewhere and run them separately and combine the results the way you want.
I will be doing some more development of this program in the future, but I have quite a few other projects occupying my time at the moment, so I don't know when I'll get onto it.
DougJenkins 10 years ago
You can open and save Word 2007, Excel 2007, and PowerPoint 2007 files in earlier versions of Office programs by downloading the free Microsoft Office Compatibility Pack.
I think it handles one loadcase at a time but I think the worksheet could be modified.
DougJenkins 10 years ago
At this stage I don't have Excel 2007, so cannot open. But was wondering if it can handle multiple loadcases in the one model. For example:
1.2G + 1.5LL (liveloading)
0.9G + WL1 (wind uplift)
0.9G + WL2
0.9G + WL3
0.9G + WL4
1.2G + WL5 (wind downdraft)
So that can then find the maximum. Rather than having one workbook per loadcase which appears to be the typical approach.
InfoJunkie65 10 years ago
Sounds good but appears to need Excel 2007 to open. At this stage I have no immediate plans to move away from Excel 2003. Is it possible to save in older version with out loss of functionality.