FEA results verification with hand calculations: stability

By | October 19th, 2017|FEA: Basics, FEA: Intermediate, • Post Processing, FEA Topics:|

Last time I described 5 steps to FEA results verification. Among those steps were FEA results verification with hand calculations. I figured it makes sense to expand on this idea. Especially since Luke asked me about something on this topic via email. Luke asks: How is the eigenvalue calculated, can this be done longhand? Can [...]

Changing active forces for enforced deformations and vice versa

By | May 23rd, 2017|FEA: Basics, FEA: Intermediate, • Boundary Conditions, FEA Topics:|

I have seen many mistakes where people wrongly changed enforced deformations with active forces. In some cases, this is a simple task, which gives beginners the feeling that they can always do it easily. This, in turn, leads to various mistakes in analysis. I think it is worth discussing this, to point out common mistakes [...]

Finite Element Analysis workflow

By | May 2nd, 2017|• Linear Analysis, FEA: Basics, • Meshing, • Boundary Conditions, • Post Processing, FEA Topics:, RFEM, FEMAP|

When I first started working with Finite Element Analysis (FEA) I had a huge problem in understanding what to do. I had a basic engineering knowledge but I simply did not understand what was the order of the steps. Suddenly the software had many "modules" and each was screaming at me that some data is [...]

Linear buckling in plain language!

By | January 2nd, 2017|• Linear Analysis, FEA: Basics, • Stability, FEA: Intermediate, • Linear Buckling, FEA Topics:, Structural Design Topics:|

Buckling is a dangerous phenomenon. It can lead to catastrophic failure of a structure, even if stresses are far smaller than yield limit. You can use linear buckling analysis to verify structural stability. In this post, I will discuss positive aspects and limitations of linear buckling. […]

Do NOT follow this link or you will be banned from the site!