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Jul 25, 2011

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ANSYS

Different results for beam3 and beam188

hello, I tried to use ansys13 to study the effect of self weight on a Cantilever Beam, by following this tutorial: http://www.mece.ua lberta.ca/tutorial s/ansys/IT/Density /Density.html. But I used beam188 as beam3 is no longer supported in ansys13, and I defined a rectangular section (B=50,h=10) instead of defining real constants (which is not possible for beam188). Instead of obtaining a 5.77 mm deflection (result found in the tutorial), I obtained a 0.22 mm deflection!! I tried to modify beam188 options, but I obtained the same result :( Can you explain that? Is that due to the difference between beam3 and beam188? or there is a parameter that I should fix? Thanks for your answers.  (Jul 25, 2011 | post #1)