I’m doing a FSI simulation of a rotorblade and I’m facing a problem with the mapping.
The structure of the blade is discretised as a beam (1D reference line) with MBDyn, while the Fluid domain is discretised with an unstructured mesh on SU2. I’m attaching an image to show better the blade discretisation and the mapping problem.
What I observe is that after 1/5 of a revolution, the simulation stops because progressively the airfoils are getting thinner and thinner and the Mach on the blade surface is too high (should be 0.6 and it is 1.4).
I’m using rbf-thin-plate-splines as I’ve already tried nearest-neighbour but the same problem arises.
Have you got any idea why this is happening?