Archive for category FEA-Tips
What is the difference between remote force and force?
Posted by Wasim in Autodesk FEA Simulation, FEA-Tips on June 22, 2011
The difference between remote force and force is that it allows the ability to define the location of the force (and not predetermined by selecting the faces of geometry like the force command), as illustrated below Another key difference between remote force and force is that remote force also induces moment/torque as soon as remote point [...]
Tips & Guidance on how to overcome Stress Singularities in Models
Posted by Wasim in autodesk, Autodesk FEA Simulation, FEA-Tips on March 22, 2011
Stress Singularities is a major concern when analyzing results as they considerably distort results. They are also a main cause for non-convergence of results. So the first question is -what is stress singularity? This can be best explained by the following example The above bracket has a localized high stress around the force applied on [...]
Inventor Frame Analysis or Stress Analysis! – Some Pro’s and Con’s
Posted by Wasim in FEA, FEA-Tips, Frame Analysis on April 23, 2010
With the release of Autodesk Inventor Simulation 2011 comes frame analysis in addition to stress analysis. So the question, for some maybe, is which one to use. Well if a component or indeed an assembly comprises of a uniform cross-section along its entire length and the ratio of length/cross-section is greater than 10 then use [...]
Stress Analysis of Quarter, Half and cyclic Symmetry models!
On many occasions when analyzing complex and detailed models I have found the mesh can take for ever. This can lead to further frustration when a mesh warning appears (could be several) indicating the mesh needs to be redefined with a smaller mesh size. All this will lead to more waiting and most likely longer [...]
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