DEM solid phase - Boundary Conditions

Pfernandes · November 18, 2016, 11:35

Hello,

I'm working with Lagrangian Multiphase and I use solid spherical phases.

When I choose the material properties (Density, Poisson Coef and Young's Modulus), I use the node from the models (Solid). But the Boundary conditions node allow to change the same properties, also.

My question is: What are the properties that the Star use for calulate the colisions? Do I need to change in the two nodes?

Thanks,

Pedro Fernandes

dussa · December 7, 2016, 21:16

I would say that you have to change both, as the material properties of the pebbles and of the walls (boundaries) can be different. At least that is what I have done in the past with my DEM simulations.

November 18, 2016, 11:35	DEM solid phase - Boundary Conditions	#1
Pfernandes New Member Join Date: Mar 2016 Posts: 3 Rep Power: 10	Hello, I'm working with Lagrangian Multiphase and I use solid spherical phases. When I choose the material properties (Density, Poisson Coef and Young's Modulus), I use the node from the models (Solid). But the Boundary conditions node allow to change the same properties, also. My question is: What are the properties that the Star use for calulate the colisions? Do I need to change in the two nodes? Thanks, Pedro Fernandes

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December 7, 2016, 21:16		#2
dussa Member Robert Join Date: Sep 2016 Posts: 32 Rep Power: 10	I would say that you have to change both, as the material properties of the pebbles and of the walls (boundaries) can be different. At least that is what I have done in the past with my DEM simulations.