Reply To: Rock drilling

[javat33489]

>>Also, you may have a problem with your material model. I am not a specialist of rock or soil materials. Please create a new post and one of my colleague will be able to help.

Fine. I did some more tests and will open a new question.

>>Also, which LS-DYNA solver are you using? With SPG, it is recommended to use the latest solver MPP double precision

Yes, that's what I do sir.

Thank you!