That’s a question that I receive very frequently, and that’s my usual answer: The result you get are accurate according to your input parameters if you observe the convergence of the solution. BUT don’t forget your output results will always depend on your model and your input parameters. If the input is wrong, you cannot […]
Link 3D and 2D Elements with RBE3 Interpolation elements
This is a video which is short but effective… very few people actually know you can use interpolation elements to do that !
Get The Proper Mesh Density
Every engineer doing FEA Analysis probably knows that increasing the number of elements is supposed to improve the accuracy of the solution. This is true. But, this also create some problems, because if you are perfectionist (I know a lot of engineers are), you may be thinking something like: “If accuracy increases with the number […]
Analyze the Fluid Flow inside a Choke Valve
Today, I decided to write a post to explain simply how to perform an Analysis of the Fluid Flow inside a Choke Valve. This is a great exercise for beginners in CFD (Computational Fluid Dynamics) so I hope this example will prove extremely useful for you! The Software I am using is midas NFX CFD: You […]
Open Discussion: loads physical understanding in FEA
Yesterday, I got this message from an FEA engineer in Norway, Valeriy Shepenkov: My biggest challenge and the biggest challenge for most in the finite elements business is the loads physical understanding and their application in the FEA software. If you could provide some advice on how to effectively single out the essential loads and […]
Mesh Topology
Every FEA Analyst has his own story to tell with the mesh topology when I didn’t know what it was, I use to think that it was not so important…but then I had this model which was perfect in appearance but the analysis didn’t want to run and I kept having this message telling me […]
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