A harmonic balance technique for modeling unsteady nonlinear ows in turbomachinery is presented. The analysis exploits the fact that many unsteady ows of interest in turbomachinery are periodic… (More)

A new method for constructing reduced-order models (ROM) of unsteady small-disturbance ows is presented. The reduced-order models are constructed using basis vectors determined from the proper… (More)

The present study focuses on a novel harmonic balance formulation, which is much easier to implement than the standard/classical harmonic balance method for complex nonlinear mathematical models and… (More)

A reduced order aerodynamic model is developed for aeroelastic analysis of turbomachines. The proper orthogonal decompostion technique is used to obtain the modal basis vectors of this model.… (More)

A new method for constructing reduced-order models (ROM) of unsteady small-disturbance flows is presented. The reduced-order models are constructed using basis vectors determined from the proper… (More)

A review of the status of reduced order modeling of unsteady aerodynamic systems is presented. Reduced order modeling is a conceptually novel and computationally efficient technique for computing… (More)

A computational method for efficiently predicting unsteady transonic flows in twoand three-dimensional cascades is presented. The unsteady flow is modelled using a linearized Euler analysis whereby… (More)

A computational investigation of limit cycle oscillation behavior of the F-16 fighter configuration using a nonlinear frequency-domain harmonic-balance approach is presented. The research discussed… (More)