Fem: Improve contact and tie constraints - fixes #11653 #12133
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Awesome, thanks for taking care of this. I tested it and eveything is working properly. @chennes Can you merge this PR ? |
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StiffnessDensity(App::PropertyStiffnessDensity, basically a spring stiffness per unit area needed to use in contact stiffness and the stick slope value used by the*FRICTIONkeyword. (currrently it is said that the unit should be Pressure like the elastic modulus, but this is incorrect).ADJUSTparameter on theCONTACT PAIRcard for contact constraint.*FRICTIONkeyword.ADJUSTparameter in tie constraint.@FEA-eng Do you want to test this?
Some links:
http://www.dhondt.de/ccx_2.21.pdf#subsubsection.6.7.5
http://www.dhondt.de/ccx_2.21.pdf#subsubsection.6.7.6
https://calculix.discourse.group/t/contact-stiffness-setting/455/2
https://www.mdpi.com/2075-4442/7/7/56