[CIG-SHORT] Does normal traction perturbation affect normal fault traction

[Birendra jha]

Hi

For a dynamic fault, I understand that user can specify traction perturbation on a fault surface to introduce fault slip. But does a normal traction perturbation also change the magnitude of normal fault traction used in the friction model calculation (i.e. tractionNormal in FaultCohesiveDyn::_constrainSolnSpace3D), such that making it easier to slip if the perturbation is compressive?

If it is assumed that user supplied friction parameters (coeff of friction, cohesion etc) best represent the friction, hence traction perturbation does not change friction calculation explicitly, that's ok. Just wanted to understand.

Thanks and regards
Birendra