A Cartesian grid method using immersed boundary technique to simulate the impact of body in fluid has
become an important research topic in computational fluid dynamics because of its simplification, automation
of grid ...
The aerodynamic model of a generic airliner configuration is developed for a wide range of angles of attack, sideslip and angular rate based on experimental data obtained in wind tunnels using static, forced oscillations ...
The paper presents the aerodynamic model in extended flight envelope for a generic airliner with under wing engines and conventional tail developed within the EU Framework Programme (FP7) research project Simulation of ...
An adequate modelling of nonlinear and unsteady aerodynamics at high incidence flight
is important for design of future agile and stealth fighters as well as for improved prediction
of high angle of attack dynamics of ...
Multiple equilibrium solutions of aircraft motion equation are investigated using non-gradient based numerical methods and computation of attainable equilibrium sets. The proposed approach may be applied to realistic ...
An active flutter suppression using linear saturated control is investigated for a 2dof wing section with nonlinear torsional stiffness and limited deflection amplitude of its single control effector. The suppression of ...
A five-degree-of-freedom dynamic wind tunnel rig is used in the observation of large amplitude self-sustaining pitch oscillations of a model aircraft. These oscillations arise during a quasi-steady ramp input to the aircraft ...
An active control approach to air vehicle design can significantly expand the flight envelope and improve vehicle
performance characteristics. In some cases it can be attained by implementing the aerodynamically ...
A computational framework based on qualitative theory, parameter continuation and bifurcation analysis is outlined and illustrated by a number of examples for inertia-coupled roll maneuvers. The focus is on the accumulation ...
There is a significant interest in developing flight control laws which need minimum gain scheduling across the whole flight envelope while providing required robust performance and stability properties to the closed-loop ...
The effect of amplitude and rate control constraints in active flutter suppression was analysed for a number of different linear and nonlinear control laws considering mathematical model of two degree-of freedom aeroelastic ...
This paper discusses the development of a novel multi-degree-of-freedom dynamic manoeuvre rig aimed at investigation of aircraft upset/LOC-related behaviour in the wind tunnel. The motivation behind the development and ...
Aircraft dynamics at high angles of attack due
to loss of stability and control essentially limits
its manoeuvrability. Modern control systems
implement flight envelope protection at the cost
of maneuverability to ...
A systematic investigation of aircraft equilibrium states and their local stability characteristics is used for clearance of flight control laws for a large variety of manoeuvres. The proposed approach is illustrated by ...
A five-degree-of-freedom dynamic wind-tunnel rig is used in the observation of large-amplitude, stall-related and self-sustaining, pitch oscillations of a model aircraft. These oscillations are investigated on the dynamic ...