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ALE/LAGRANGIAN Interface

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Hello all,

I am working on a model with an interface between RDX and a metal. With all Lagrangian it works correctly ! So I was expecting to get better results with RDX ALE and metal LAGRANGIAN, but I am getting negative volumes ERROR very quickly... I tried all the Interfaces Types for ALE/LAGRANGIAN but none of them is working correctly for my model. Did anyone know about this problem ? You can find attached the files of my simulation.

Thank you in advance for your help

27604609_10208605840823348_453022615_o.p

ALE_0001.out

ALE_0000.out

ALE_0000.rad

ALE_0001.rad

deto_ALE.hm

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Hi,

As you can see the metal is deforming very badly resulting in negative volume. When ALE and Lagrangian is combined for this we are facing this, may be due to the contact. Can you try with a different contact type?.

 

 

 

ale inter.PNG

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Hello again, Thanks for your answer.
Actually, I tried all of these 4 TYPES (and also read carefully all the description detailed in ALTAIT HELP)... but none is working correctly so I am desperate!

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Hi,

I think it's not working for ALE-Lagranian interface properly. I'll check regarding this and will update you.

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