I am new to the forum.
I am currently using star ccm+. I have been looking for answers in the forum and so far, it has worked very well.
Now I am facing a problem and do not know the cause.
I am analyzing ship resistance, fixed or with trim and sink.
I am using for the mesh, the extruder, but after some iterations I get strange things in the outlet at the free surface, I do not know if it can be called wave reflection or what.
I am running a small model, with proper iteration steps (I think) and time looks ok, from courant.
I thought the extruder would help in the pressure outlet of the box or refining. but after iterations nonsense colours start.
could anybody help with this?
thank you all again
maybe I did not post in the proper subforum or could be that this has been adressed before but I found no topic with this specific problem.
anyone could help?
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