Aspects of airframe structural dynamics that have a strong influence on rotor design optimization are presented . Primary emphasis is on vibration requirements. The constraints imposed on rotor design by airframe dynamics are discussed. Rotor/airframe modeling enhancements are also described
The requirement for low vibrations has achieved the status of a critical design consideration in mod...
Results of analytical investigations to develop, understand, and evaluate potential helicopter vibra...
The development and validation of an optimization procedure to systematically place tuning masses al...
An an overview and discussion of those aspects of airframe structural dynamics that have a strong in...
The importance of blade design parameters in rotor vibratory response and the design of a minimum vi...
This paper describes a joint activity involving NASA and Army researchers at the NASA Langley Resear...
It is not sufficient to optimize a rotor design in terms of a single noise level calculated for a si...
A NASA/industry rotorcraft structural dynamics program known as Design Analysis Methods for VIBratio...
The possibilities and the limitations of tailoring blade mass and stiffness distributions to give an...
The rotor dynamic design considerations are essentially limitations on the vibratory response of the...
Optimization of rotorcraft structures for vibration reduction was studied. The objective of this stu...
The mass and stiffness distributions for helicopter rotor blades are tailored in such a way to give ...
The optimal design of helicopter rotor blades is addressed. The forced response of an initial (i.e.,...
The possibilities and limitations of tailoring blade mass and stiffness distributions to give an opt...
Harmonic rotor hub loads and airframe interactions in steady flight are reviewed, with regard to the...
The requirement for low vibrations has achieved the status of a critical design consideration in mod...
Results of analytical investigations to develop, understand, and evaluate potential helicopter vibra...
The development and validation of an optimization procedure to systematically place tuning masses al...
An an overview and discussion of those aspects of airframe structural dynamics that have a strong in...
The importance of blade design parameters in rotor vibratory response and the design of a minimum vi...
This paper describes a joint activity involving NASA and Army researchers at the NASA Langley Resear...
It is not sufficient to optimize a rotor design in terms of a single noise level calculated for a si...
A NASA/industry rotorcraft structural dynamics program known as Design Analysis Methods for VIBratio...
The possibilities and the limitations of tailoring blade mass and stiffness distributions to give an...
The rotor dynamic design considerations are essentially limitations on the vibratory response of the...
Optimization of rotorcraft structures for vibration reduction was studied. The objective of this stu...
The mass and stiffness distributions for helicopter rotor blades are tailored in such a way to give ...
The optimal design of helicopter rotor blades is addressed. The forced response of an initial (i.e.,...
The possibilities and limitations of tailoring blade mass and stiffness distributions to give an opt...
Harmonic rotor hub loads and airframe interactions in steady flight are reviewed, with regard to the...
The requirement for low vibrations has achieved the status of a critical design consideration in mod...
Results of analytical investigations to develop, understand, and evaluate potential helicopter vibra...
The development and validation of an optimization procedure to systematically place tuning masses al...