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Innovation Space

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Are Multiple Layer Particles Possible in Ansys Rocky?

- February 21, 2026 at 5:53 am
  
  hamidah.salem
  Subscriber
  
  Is there a way to create a multi-layer particle, i.e. an ovoid core with a semi-soft shell made of different material and with different mechanical properties? I'm trying to create a de-shelling machine simulation. I'm new here so forgive me for the lack of knowledge. Another route I'm thinking of is to create a new geometry for each little piece of particle, but I'm not sure if it is the only possible solution.
- March 25, 2026 at 2:07 pm
  
  Jackson Gomes
  Ansys Employee
  
  Hy Hamidah.
  Not directly. Rocky does not support multi-layer particles (core–shell with different materials) as a single particle.
  You can use bonded particles or approximate using breakage/bond models
  For more details, see the Rocky User Manual
  Hope this helps!
  If you'd like to explore more learning materials about Rocky software, you can find them here: https://innovationspace.ansys.com/ais-rocky/
  
  Warm Regards,
  Jackson

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