Actuator Simple epsilon

[tonyinme]

Detailed description of the bug

The value of epsilon in the ActLineSimpleNGP is aligned with the global (x, y, z) directions as opposed to the local (chord, thickness and span) directions.
Is it possible to align it with the chord, thickness and span directions?

nalu-wind/src/actuator/ActuatorBulkSimple.C

Line 146 in 30bdc22

epsilonLocal(i) = std::max(epsilonOpt(i), epsilonRef(i));