Normalizing Eigenvectors

[benhast84]

Hi,

I'm struggling to find out how to normalize the eigenvectors for a group of nodes to 1 in tabular format. I have:

1. Selected all relevant nodes
2. Gone into Tables - Critical Loads
3. Selected Table/Filters
4. Ticked all X,Y and Z eigenvectors

The maximum should reach 1 although for some reason it isn't normalizing and giving an exact value. Do you know how to change this?

Thanks.

Ben.

[Pawel.Pulak · Accepted solution]

Unfortunately it is not possible to normalize buckling eigenvectors to 1 inside Robot (the improvement request for it is registered for some time). Such functionality exists in Robot only for vibration eigenvectors (dynamic modal analysis).

The workaround is:

1/ change the format of displaying eigenvectors to display more than 0.0 - increasing the number of decimals and/or changing to scientific (exponent) in Tools>Job Preferences>Units and Formats>Other>Displacement

2/ exporting to for instance MS Excel

3/ normalizing to 1 there

It was already discussed in this forum post:

http://forums.autodesk.com/t5/Autodesk-Robot-Structural/Buckling-Analysis/m-p/3797580#M11292

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Regards,

[Artur.Kosakowski · Accepted solution]

In RSA 2016 the eigenvectors for buckling analysis are by default displayed with the normalization to 1 with no change in the UI.

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