The adjoint method is used for high-fidelity aerodynamic shape optimization and is an
efficient approach for computing the derivatives of a function of interest with respect to a …

Airflow-induced noise prediction and reduction is one of the priorities for both the energy
and aviation industries. This review paper provides valuable insights into flow-induced noise …

Rotor noise is one of the most important reasons for restricting helicopter development;
hence, the optimization design of rotor blade considering aeroacoustic and aerodynamic …

Aerostructural design optimizations of helicopter rotors based-on high-fidelity numerical
simulations present a great challenge due to extremely large computational costs. In order to …

The design of helicopter rotor blades is a challenging task. On the one hand, there are the
demanding simulations, which are a multidisciplinary endeavor. On the other hand, tools for …

A multidisciplinary sensitivity analysis of rotorcraft simulations involving tightly coupled high-
fidelity computational fluid dynamics and comprehensive analysis solvers is presented and …

A continuous adjoint-based aeroacoustic optimization, based on a hybrid model including
the Ffowcs Williams–Hawkings (FW–H) acoustic analogy, to account for the multidisciplinary …

Within the DLR project VicToria an aerodynamic and aero-acoustic optimization of
helicopter rotor blades is performed. During the optimization, three independent flight …

This study delves into the discrete adjoint method, a powerful tool in high-fidelity
aerodynamic shape optimization that efficiently computes derivatives of a target function for …

NUMERICAL flutter identification involves finding the dynamic pressure at which the
minimum damping of an aeroelastic system is zero. Although frequency-domain methods …