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Ansys Learning Forum Forums Discuss Simulation General Mechanical How to apply displacement derivative dependent force on bunch of nodes in apdl? Reply To: How to apply displacement derivative dependent force on bunch of nodes in apdl?

dlooman
Ansys Employee

I never used VZ(), but the Ansys Parametric Design Language Guide says it's just for fluid velocity.  ROTY(11) return the tip rotation in radians which would be the slope dW/dx.  You wouldn't need to take the tangent of it.