June 5, 2023 at 4:01 pmjavat33489Subscriber
Hi all. Guys, please tell me, in ROCKY you can calculate the drilling of rocks (sandstone, limestone, concrete, stone)? Will it be faster than in LS-Dyna?
June 6, 2023 at 6:16 amMarcelo PrecoppeSubscriber
In Rocky, there is a model called "Bond" that can be used to simulate the drilling process in various types of rocks such as sandstone, limestone, concrete, and stone. The Bond Model documentation provides detailed information and even includes an example of simulating the drilling of a hole in a wall.
June 6, 2023 at 2:25 pmjavat33489Subscriber
>>The Bond Model documentation provides detailed information and even includes an example of simulating the drilling of a hole in a wall.
Thank you. Where can I find such documentation?
June 6, 2023 at 3:56 pmMarcelo PrecoppeSubscriber
1. Go to https://download.ansys.com/Current%20Release#
2. Download Rocky
3. Unzip and find the folder named "modules", containing all available modules
4. The documentation for the Bond Model will be inside the ansys_bond_model-1.2.0-sdk-23.1.1-win64.zip
June 7, 2023 at 2:18 amjavat33489Subscriber
OK. I will. Thank you. Tell me, can I evaluate the stress state of the drill during drilling?
June 7, 2023 at 6:07 amMarcelo PrecoppeSubscriber
Yes, you can.
June 8, 2023 at 2:15 amjavat33489Subscriber
My drill consists of two parts; a body made of ordinary steel; a tip made of steel with increased hardness. My task is to see what stress the tip experiences.
I tried to set the conditions for drilling, but it did not work out for me at the stage of setting the particles, I can not place them in front of the drill.
Could you make a short video on how to set the boundary conditions for some primitive drill model? I will be very grateful to you.
June 8, 2023 at 6:41 amMarcelo PrecoppeSubscriber
For your application, it will be necessary to co-simulate with Ansys Mechanical. This involves calculating the forces exerted on the drill by the particles in Rocky and exporting them to Ansys Mechanical. Ansys Mechanical will then determine the stress on the drill based on its material properties. You can find tutorials on how to perform this co-simulation on the Rocky Support page (https://support.esss.co/). Additionally, there might be similar tutorials available on the Ansys Learning Hub (https://www.ansys.com/en-gb/services/ansys-learning-hub), although I cannot confirm this since I do not have access to it. It would be helpful if someone from Ansys could verify this information.
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