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Simulation Of An Aircrafts Rigid Dynamic And Aeroelastic Response For Evaluation Of Radar Motion Compensation Techniques
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Book Synopsis Simulation of an Aircraft's Rigid Dynamic and Aeroelastic Response for Evaluation of Radar Motion Compensation Techniques by : Lee DeWitt Peterson
Download or read book Simulation of an Aircraft's Rigid Dynamic and Aeroelastic Response for Evaluation of Radar Motion Compensation Techniques written by Lee DeWitt Peterson and published by . This book was released on 1983 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Structural dynamics written by and published by . This book was released on 1985 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 26th Structures, Structural Dynamics, and Materials Conference: Structural dynamics by :
Download or read book 26th Structures, Structural Dynamics, and Materials Conference: Structural dynamics written by and published by . This book was released on 1985 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Motion Cue and Simulation Fidelity Aspects of the Validation of a General Purpose Airborne Simulator by : Kenneth J. Szalai
Download or read book Motion Cue and Simulation Fidelity Aspects of the Validation of a General Purpose Airborne Simulator written by Kenneth J. Szalai and published by . This book was released on 1971 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the validation of the general purpose airborne simulator, certain motion and visual cues could not be duplicated because the airborne simulator could not be independently controlled in six degrees of freedom. According to pilot opinion (NASA TN D-6431), however, the XB-70 airplane at two flight conditions had been simulated satisfactorily. Because of the dependence of simulation results on simulator configuration, two areas were investigated after the validation program was completed. The first was the effect of mismatched cues on observed handling qualities. Experiments which varied lateral acceleration at the pilot's location and yaw rate, while keeping constant the lateral-directional dynamics displayed on the pilot's instruments, showed pilot sensitivity to directional motion cues to be different for the simulation of two XB-70 flight conditions. A technique for allowing consecutive evaluations of moving- and fixed-base configurations in flight was used successfully to determine motion cue effects. The second area investigated was the measurement and description of simulation fidelity. In-flight frequency-response measurements of the model-following system were taken to examine model-following fidelity for directly matched variables such as sideslip and roll rate as well as uncontrolled parameters such as lateral acceleration.
Book Synopsis Simulation of the Transient Aeroelastic Response of a Realistic Aircraft Configuration During Three-dimensional High G Maneuvers by : Charbel Farhat
Download or read book Simulation of the Transient Aeroelastic Response of a Realistic Aircraft Configuration During Three-dimensional High G Maneuvers written by Charbel Farhat and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our long-term objective has been the development of a high-fidelity and high-performance simulation capability for predicting and optimizing the dynamic aeroelastic response of a fighter during three-dimensional high-G maneuvers in subsonic, transonic, and supersonic airstreams. Our focus has been on Air Force problems involving a modern fighter or bomber, and relevant to new approaches for flutter testing, mitigation of limit-cycle (LCO) and pilot induced (P1O) oscillations, as well as performance optimization. Our starting point has been the unique aeroelastic simulation capability developed at the University of Colorado under the sponsorship of the Air Force office of Scientific Research, and in partnership with the Flight Test Center at the Edwards Air Force Base.
Book Synopsis Simulation Study of Impact of Aeroelastic Characteristics on Flying Qualities of a High Speed Civil Transport by : David L. Raney
Download or read book Simulation Study of Impact of Aeroelastic Characteristics on Flying Qualities of a High Speed Civil Transport written by David L. Raney and published by . This book was released on 2002 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: A piloted simulation study conducted in NASA Langley Visual Motion Simulator addressed the impact of dynamic aero- servoelastic effects on flying qualities of a High Speed Civil Transport. The intent was to determine effectiveness of measures to reduce the impact of aircraft flexibility on piloting tasks. Potential solutions examined were increasing frequency of elastic modes through structural stiffening, increasing damping of elastic modes through active control, elimination of control effector excitation of the lowest frequency elastic modes, and elimination of visual cues associated with elastic modes. Six test pilots evaluated and performed simulated maneuver tasks, encountering incidents wherein cockpit vibrations due to elastic modes fed back into the control stick through involuntary vibrations of the pilots upper body and arm.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Pilots' Dynamic Response Characteristics Measured in Flight and on a Nonmoving Simulator by : Helmut A. Kuehnel
Download or read book Human Pilots' Dynamic Response Characteristics Measured in Flight and on a Nonmoving Simulator written by Helmut A. Kuehnel and published by . This book was released on 1962 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Pilot Dynamic Response in Flight and Simulator by : Edward Seckel
Download or read book Human Pilot Dynamic Response in Flight and Simulator written by Edward Seckel and published by . This book was released on 1958 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Range-Dopplar Radar Imaging and Motion Compensation by :
Download or read book Range-Dopplar Radar Imaging and Motion Compensation written by and published by Artech House. This book was released on with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM contains: simulations from text.
Book Synopsis Airborne radar motion compensation techniques - optimum array correction patterns by : G. A. Andrews
Download or read book Airborne radar motion compensation techniques - optimum array correction patterns written by G. A. Andrews and published by . This book was released on 1976 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulation of a Dynamic Aircraft Radar Signature by : Joseph J. Sacchini
Download or read book Simulation of a Dynamic Aircraft Radar Signature written by Joseph J. Sacchini and published by . This book was released on 1996-06-01 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a package which simulates the dynamic radar signatures a radar receiver would expect when tracking a moving target such as an aircraft or a missile. The package consists of several MATLAB codes. The basic engagement simulated is a radar, such as seen on a fully active missile seeker, engaging a target such as an aircraft. The static scattering characteristics of the target are required as an input to the package. The package then simulates the radar-target engagement dynamics modeling the target motion and the physical target vibrations which effect the signature the radar receives. The outputs of the package are the scattered electric field, the Doppler shift, and the angular tracking error, or glint, all as seen by the radar. This package is meant to aid a hardware-in-the-loop simulation of a radar-target engagement.
Book Synopsis Criteria for Acceptable Representation of Airplane Dynamic Responses in Simulators Used for Pilot Training by : Frederick D. Newell
Download or read book Criteria for Acceptable Representation of Airplane Dynamic Responses in Simulators Used for Pilot Training written by Frederick D. Newell and published by . This book was released on 1962 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Putting the Aero Back Into Aeroelasticity by :
Download or read book Putting the Aero Back Into Aeroelasticity written by and published by . This book was released on 2000 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lack of progress in understanding the physics of rotorcraft loads and vibration over the last 30 years is addressed in this paper. As befits this extraordinarily difficult problem, the reasons for the lack of progress are complicated and difficult to ascertain. It is proposed here that the difficulty lies within at least three areas: 1) a loss of perspective as to what are the key factors in rotor loads and vibration, 2) the overlooking of serious unsolved problems in the field, and 3) cultural barriers that impede progress. Some criteria are suggested for future research to provide a more concentrated focus on the problem.
Book Synopsis Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 by : Chad Walber
Download or read book Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 written by Chad Walber and published by Springer Nature. This book was released on 2021-10-08 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensors and Instrumentation, Aircraft/Aerospace and Energy Harvesting, Volume 7: Proceedings of the 39th IMAC, A Conference and Exposition on Structural Dynamics, 2021, the seventh volume of nine from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Shock & Vibration, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing including papers on: Alternative Sensing & Acquisition Active Controls Instrumentation Aircraft/Aerospace & Aerospace Testing Techniques Energy Harvesting
Book Synopsis Simulation of Aircraft Aeroelasticity by : Adam Swift
Download or read book Simulation of Aircraft Aeroelasticity written by Adam Swift and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Aeroelastic phenomena such as flutter can have a detrimental effect on aircraft performance and can lead to severe damage or destruction. Buffet leads to a re- duced fatigue life and therefore higher operating costs and a limited performance envelope. As such the simulation of these aeroelastic phenomena is of utmost importance. Computational aeroelasticity couples computational fluid dynamics and computational structural dynamics solvers through the use of a transforma- tion method. There have been interesting developments over the years towards more efficient methods for predicting the flutter boundaries based upon the sta- bility of the system of equations. This thesis investigates the influence of transformation methods on the flutter boundary predition and considers the simulation of shock-induced buffet of a transport wing. This involves testing a number of transformation methods for their effect on flutter boundaries for two test cases and verifying the flow solver for shock-induced buffet over an aerofoil. This will be followed by static aeroelastic calculations of an aeroelastic wing. It is shown that the transformation methods have a significant effect on the predicted flutter boundary. Multiple transformation methods should be used to build confidence in the results obtained, and extrapolation should be avoided. CFD predictions are verified for buffet calculations and the mechanism behind shock-oscillation of the BGK No. 1 aerofoil is investigated. The use of steady calculations to assess if a case may be unsteady is considered. Finally the static aeroelastic response of the ARW-2 wing is calculated and compared against ex- perimental results.
Book Synopsis Introduction to Aircraft Flight Mechanics by : Thomas R. Yechout
Download or read book Introduction to Aircraft Flight Mechanics written by Thomas R. Yechout and published by AIAA. This book was released on 2003 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a 15-year successful approach to teaching aircraft flight mechanics at the US Air Force Academy, this text explains the concepts and derivations of equations for aircraft flight mechanics. It covers aircraft performance, static stability, aircraft dynamics stability and feedback control.
