Re: Venturi3d example
there are objects called SmoothIndicator…XD (e.g. SmoothIndicatorCircle2D), which can be rotated. Either you adapt this the other indicator objects to this rotation (1) or you use this SmoothIndicators in combination with a porous media model (2).
1) This approach requires changing the material numbers and reinitialisation of the cells which are not covered by the solid anymore.
2) This approach is the way the moving valve works, to get started with porous media, there is an example “porousPoiseuille2d”