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What causes singularity in your FE model?

May 6, 2016 by Cyprien 27 Comments

What causes singularity in your FE model?

That FEA problem used to drive me mad It happened to me a countless number of times. I had just finished to set up my FEA model and run the analysis and I knew more or less what range of stresses I wanted to find. I was waiting for the results to confirm that… BUT…As […]

Filed Under: Boundary conditions, Singularity

How to face a singularity error?

March 17, 2016 by Cyprien 16 Comments

How to face a singularity error?

If you ever started to do linear static FEA Analysis, you probably encountered the following singularity error: ERROR [2007]: FACTORIZATION FAILED DUE TO A SINGULARITY AT TRANSLATION-X OF NODE 111 (RANK=5262) What is the cause of this singularity error? This error is generated when matrix decomposition cannot progress any further due to the presence of singularities. […]

Filed Under: CAE for beginners, FEA Meshing, FEA Solver, Singularity Tagged With: singularity error

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About me

I’m an Mechanical Engineer who would like to share his passion on Finite Element Analysis to help other Engineers. Read more…

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