ANSYS 18.1 Topology Optimization

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ANSYS v18.1 Workbench Tutorial video on how to use the topology optimization feature in order to reduce the total mass of a mechanical metal bracket.

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We will begin by opening ANSYS v18.1 Workbench interface. Check the engineering data to ensure the proper material is selected (in our case it will be the default material). Open up SpaceClaim to create our geometry (note, you can always right click on the geometry cell and click to open in DesignModeler instead if you are more comfortable using it). Once in SpaceClaim, we will use the line tool and pull tool to create our metal bracket. Once created, we exit SpaceClaim and head into Mechanical to set up our loads and boundary conditions. Create a mesh using the sizing "Proximity and Curvature" to better capture the round corner details. Add two cylindrical supports, choose to make the tangential component free. Add one bearing load with 50KN in the X-dir and 100KN in the Z-dir. Add Equivalent Stress results and Solve to view the stress results.

Exit Mechanical and go back to the project schematic window. Drag Topology Optimization onto cell 7 "Results" of the first analysis. This will link the static structural analysis to the topology optimization analysis. Leave most of the settings default. Change the Response Constraint to retain 60% of the mass. Solve the system.

Exit out of Mechanical and right click on cell 7 Results on the topology optimization analysis and click on "Transfer to Design Validation System" in order to export the STL file generated into a new static structural analysis automatically. Open up SpaceClaim in the new analysis to view the STL import results. Create a new sketch plane and copy the edges of the STL file to a new sketch. Under the Repair tab, use the option Fit Curves to simplify the rough curve geometry from the import. Choose to Correct Tangency and keep the default distance 0.1mm. Simpify the rest of the geometry as needed using the Trim Away tool and Create Corner tool. Should you want to reduce the amount of faces for mesh generation, use the Merge Faces tool under the repair tab to merge selected faces into one face. In order to not export all product structure files into the analysis, we must right click on the products in the structure tree and choose "Suppress for Physics" in order to remove these items from the analysis. Keep only the Solid file.

Exit SpaceClaim and open Mechanical by double clicking on the Model cell. Say yes when prompted to read upstream data. Regenerate mesh and reapply boundary conditions and loads. Finally solve the model to view the final results.

---Please subscribe to my channel DrDalyo for more videos! Enjoy!
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You are literally a king. I'm sick and tired of these ansys videos recorded in 360p with shitty royalty free music playing and no audio commentary. You made this very straight forward. <3

mfgitzramzi
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This is by far the best ANSYS video out! Great work DrDalyO!
Please continue creating content for the latest versions of ANSYS - you are helping so many people. Thank you!

xavierdean
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Dr. DalyO, I really appreciate the time that you have spent to put these ANSYS tutorials together. They are by far the most informative, concise, and interesting modeling/FEA videos that I have seen. Most videos are either technical or interesting, but not both - you have an excellent method of presenting. Thank you! I see that most of your videos are from 5 and 6 years ago. I am really looking forward to you releasing more tutorials based on ANSYS 2020. Please keep the great work coming!

jamiemills
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You're an angel, thank you for showing us how to do this in a simple and straightforward manner.

theomaia
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This was extremely helpful. You did a good job of walking us through the steps

GregN
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Your tutorials are exceptionally profound and concise. Good work!

JunaidAli-wsli
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Great tutorial using it on my class next week, thank you.

DiegoAndrade
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Thank you for putting out the best Ansys tutorials on youtube, DrDaylo. That being said, please, I need assistance on acoustics simulation (impedance tube experiment) and was hoping you would be able to assist as I've been trying for months now with no significant progress. Thanks

jimmyloluolajide
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i always wanted this tool. make life so much easier. thanks for this awesome tutorial.

sanketchikalge
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thank you so much for this great tutorial.

aydayd
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thanks for this awesome work and waiting for you to upload new ones

abdellahielmechtaba
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What an awesome tutorial. Thank you very much.

muli
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Excellent tutorial! thanks for sharing!

rezaafshar
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this is very good tutorial, so simple and effective thank you

forge
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I like your tutorial, it is clear and easy to learn

BassamBadran
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Your explanations are best and easy to understand for beginners like me

hassanujjaman
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Truly great video. Very concise and helpful.

bobobopan
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thank!! this tutorial was very helpful :)

vishaldolas
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Your video is helpful to me study designing
Thank you

ggmaxoriginal
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Fantastic tutorial. Very very clear. Thank you

medadrufus