Time-averaged steady vs. unsteady adjoint: a comparison for cases with mild unsteadiness

摘要

We compare the accuracy of a pseudo-steady flow and adjoint sensitivity calculation with a full unsteady calculation for an airfoil with light vortex shedding at the trailing edge. We show that for such cases with mild unsteadiness, it can be acceptable to use a method that does not fully resolve the time-accurate flow behaviour.