Aeroelastic simulations based on mid-fidelity approaches can be associated with high computational costs, which significantly hinders their efficient use in iterative design processes for new structures. In the Collaborative Research Center 1463, Subproject Z01, an aeroelastic simulation framework is being developed that combines the unsteady vortex-lattice method with geometrically exact beam models.
A proposed heuristic approach enables targeted reduction of computational costs through adaptive time step adjustment. This is based on the temporal evolution of physically relevant quantities, which allows for an informed decision on whether to increase or decrease the time step—without introducing significant additional computational effort.
The method allows for the use of larger time steps during periods of low unsteadiness. Using simulations in the field of wind energy systems, it is demonstrated that this approach can lead to a substantial reduction in computational cost.
https://authors.elsevier.com/sd/article/S0889-9746(25)00095-7