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When conducting FEA analysis, the material from which the component to be analysed must be entered into the model.Which material properties are important and the impact to both the study and the obtained results if an incorrect material is simulated.
When conducting FEA analysis, the material from which the component to be analysed must be entered into the model.Which material properties are important and the impact to both the study and the obtained results if an incorrect material is simulated.
thank you im new to site
Well, just in case you were unaware, punctuation, capitalization, and details are all free here, so don't be afraid to use/give them.
That's inconvenient to do from a cell phone, if that's what the OP is using.
That's inconvenient to do from a cell phone, if that's what the OP is using.
I'm taking a course in finite element analysis in graduate school this semester. It is a fascinating subject. My experience is only based on the Abaqus software package, though I would believe that all the software packages would be similar with respect to your question. The typically important material aspects for deformations, stresses, and strains are typically Young's modulus and Poisson's ratio for the material. Steel typically used in the construction industry (I'm a civil engineer), for example, has a Young's modulus of 30,000 ksi and a Poisson's ratio of .3. If you are trying to model heat transfer or other types of analysis, however, you may need other material characteristics as well. I hope this helps!
"Convenience" should not rule your life.
Doo what's right.
No argument from me, aside from the typo.
Doug's just channeling Ox... He regularly says "doo"... Doooo not ask me why.
FEA is shit in, shit out. I've been mislead on many occasions to believe the colorful plots at first glance. Basically a lot of thought should go into the meshing. Areas on the part which you know will see the most "interesting" stresses should have a finer mesh than the rest. Due to computational limitations (you don't want the computer to churn all day unnecessarily) it's wise to look at symmetries and only simulate on a half part with half load for instance. I always eyeball things such as deflection against simplified hand calcs unless the part is ridiculously complex. Usually, features can be simplified to simple rectangular boxes so that you can figure out roughly what the FEA should spit out.
#2 Failing to account for buckling. Most basic FEA does not do buckling analysis out of the box. (Inventor doesn't without Nastran). Even if they do it's easy to get unrealistic results because in the computer you can have perfectly centered forces. It's alarming how much sooner a column buckles with only a few pounds of kick force instead of a perfectly vertical load.
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