Another question of FDK

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1

In FDK template of Hip. The F is calculated according to stiffness of spring element. I am confused that how to define the stiffness of different materials.
For example, if i want to use metal cup to metal head, how to define the stiffness? And what’s the meaning of InverseDynamics.ForceDepKin.Perturbation and InverseDynamics.ForceDepKin.LocalSearchOnOff ? Thanks a lot!:slight_smile:

2

The force is calculated using the surface contact, not a spring.

http://wiki.anyscript.org/index.php/All_about_Surface_Contact_Modeling#What_is_a_good_value_for_the_Pressure_Module_in_the_definition_of_ForceSurfaceContact_between_a_PE__insert_and_a_Cobalt-Chrome_Implant.3F

please also look at the Reference Manual at:
AnyForceSurfaceContact