Unknown Error for a simple Infill masonry Eigenvalue Analysis

04-Unexpected behaviour/errors
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DanThomas
Posts: 7
Joined: 11 Feb 2021, 13:41

Unknown Error for a simple Infill masonry Eigenvalue Analysis

Post by DanThomas »

Hi,
I have tried to create a model utilising infill panels within a RC frame but when i am running an Eigenvalue analysis i am getting an "Unknown Error" with all the outputs stating either an "Imaginary or null eigen-solution".

Is this common and is there something I would have done wrong for this to occur?

Thanks,
Dan
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z.gronti
Posts: 824
Joined: 16 Oct 2013, 08:14

Re: Unknown Error for a simple Infill masonry Eigenvalue Analysis

Post by z.gronti »

Dear DanThomas,

I would suggest you to check the elements connectivity.

You may find models with infills in SeismoStruct's verification report models and in SeismoBuild and SeismoStruct Sample models (https://seismosoft.com/seismobuild-seis ... le-models/) to check how infills should be connected to the structure.
Zoi Gronti
Seismosoft Srl.
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