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MSC Marc/ Chaboche hardening rule parameters

MSC Marc/ Chaboche hardening rule parameters

MSC Marc/ Chaboche hardening rule parameters

(OP)
Hello I am trying to figure out what these parameters are, and how to use them in an efficient way. I am looking for information describing the parameters and what they do, ( how they affect the solution, which ones to use,not use, what values to use etc...)


R0  for isotropic hardening.
R?  for isotropic hardening (Q0 in case of using    
    plasticstrain-range memorization, see 5c data block)
b   coefficient for isotropic hardening.
C   coefficient for kinematic hardening.
?   coefficient for kinematic hardening.
K   value for viscosity model.
n   coefficient for viscosity model.


Qm   coefficient for isotropic hardening.
?    coefficient for isotropic hardening.
?    coefficient to introduce progressive memory.

  If anyone could give some hints i would really appreciate it. Thanks for your time.

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