Product Simulation in Inventor Nastran: Preparing a CAD Model for FEA
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- Опубликовано: 29 янв 2020
- To access the full course for free and download project files use your Autodesk ID at customersuccess.autodesk.com/...
Before jumping into the FEA environment, it can be prudent to consider employing certain modeling techniques within the CAD environment - in order to make for an easier set up of the analysis and faster solution. As an example, large assemblies or overly complicated geometry can result in large numbers of elements being created and will increase setup and analysis time. There are several guidelines to consider during the CAD model preparation phase that can simplify the FEA process and help to control the size of the FEA models.
The objectives of this module are:
- Learn considerations of when to simplify geometry and what can be simplified
- Learn what to preserve in a model
- Learn about combining geometry
- Learn about excluding geometry / use of boundary conditions
- Learn about using symmetry and anti-symmetry
- Learn when to split geometry
This was a great video and very helpuful. I have a question: while solving the model, in the Nastran Output tab there where 2 warnings. What are those about and are they critical for the solution? Thank you in advance, Alex.
Hi Alex B,
The best way to get a detailed response to your Inventor specific questions is by posting on the Inventor Forum.
Here's the link: forums.autodesk.com/t5/inventor-forum/bd-p/78
Hope this helps!
Best regards,
The Autodesk Inventor Team
Thank you for the video.
I have a question: What if I want to simulate a pipe welded to a flat end. Will it make any difference if I apply "Shell" idealization to a pipe faces and "Solid" to a flat end? And is it ok for welds connecting pipe and flat end to have "Solid" indealization?
Hi Sergey Dukman,
The best way to get a detailed response to your Inventor-specific questions is by posting on the Inventor Forum.
Here's the link: forums.autodesk.com/t5/inventor-forum/bd-p/78
Hope this helps!
Best regards,
The Autodesk Inventor Team
Excuse me Mike, did you also had to divide the force by 4 as you divided the zone where the force is applied by 4?
You are correct, the load should be 1/4 the total...
Thanks :)
Why you take Y and Z symetry? Due to its only 1/4 part? Thank you for your answare.
Symmetry is going to save you runtime on symmetrical models.
This video seems to be an exercise on how to make short story long. And does not help in how to interpret the results. 😴