Is there a way to modify an existing PFC3D Version 7 contact model rather than build your own from scratch (is there existing code for the Hertz model so that I can alter some of its characteristics/behavior)?
Hello,
Yes, here is a link to the source code for the Hertz contact model in PFC 7.00. (Hertz Model Implementation — PFC 7.0 documentation).
You can also check out the following link for implementing your own contact model - Contact Model Plug-ins — PFC 7.0 documentation