[Guille1811]

This has happened to me a few times with different simulations:

I define a coordinate frame in cfx pre using "point and normal" option, the coordinate frame becomes well defined, i run the simulation and the results are ok. Later on when i change some setting (say from 600 rpm to 800 rpm), i run the simulation and the results are far from coherent. Reason? Magically the coordinate frame inverted itself, in other words the z axis became the -z axis, without me touching any of its definition.

This is quite random and anoying because it doesnt let you automate some simulation runs.

Does anyone know how to fix this?