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209 reports
Optimal Constrained Viscoelastic Tape Lengths for Maximizing Damping in Laminated Composites
Author(s): Mantena, P. Raju Corporate Author: University of Idaho Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. IAB-1
Study of the Damping Capacity of Structural Joints Made of Graphite Expoxy Composite Material
Author(s): Rao, Mohan D. Corporate Author: Michigan Technological University; Auburn University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HDB-1
A Design for Improving the Structural Damping Properties of Axial Members
Author(s): Barrett, David John Corporate Author: Naval Air Development Center Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HCB-1
An Experimental Study of the Complex Dynamic Modulus
Author(s): Wren, Graeme G. Corporate Author: Royal Australian Air Force; Texas A&M University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HCA-1
Role of Passive Damping in Active Structural Control
Author(s): Garibotti, Joseph Corporate Author: Ketema, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HBC-1
Damping of a Large Space Platform
Author(s): Bicos, Andrew S. Corporate Author: McDonnell Douglas Space Systems Company Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HBB-1
A Survey of Damping in Control of Flexible Structures
Author(s): Inman, D. J. Corporate Author: State University of New York at Buffalo; NASA Langley Research Center Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. HBA-1
Experimental Determination of Damping Mechanisms in a Composite Beam
Author(s): Banks, H. T. Corporate Author: Brown University; State University of New York at Buffalo Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GDC-1
Modeling Material Damping using Augmenting Thermodynamic Fields (ATF)
Author(s): Lesieutre, George A. Corporate Author: SPARTA, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GDB-1
Increased Graphite Fiber Damping Via Intercalation
Author(s): Lesieutre, George A. Corporate Author: SPARTA Inc.; Sverdrup Technology, Inc.; NASA Lewis Research Center Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GDA-1
Design and Analysis of Viscoelastic Struts for Large Space Structures
Author(s): Yiu, Y. C. Corporate Author: Lockheed Missiles & Space Company Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GCC-1
Passive Damping Concepts for Space Structures with Tubular Members
Author(s): Razzaq, Zia Corporate Author: Old Dominion University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GCB-1
Analysis, Optimization, Fabrication and Test of Composite Shells with Embedded Viscoelastic Layers
Author(s): Bronowicki, Allen J. Corporate Author: TRW Space & Technology Group Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GCA-1
Modal Damping of Suspended Cables
Author(s): Yamaguchi, Hiroki Corporate Author: Saitama University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GBC-1
Effect of Inertial Forces on Damping in a Dry Friction Joint
Author(s): Vinogradov, O. Corporate Author: University of Calgary Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GBB-1
Contact Stresses in Cables due to Tension and Torsion
Author(s): Kumar, Krishna Corporate Author: IIT, Kanpur; Auburn University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GBA-1
Tuned Liquid Damper (TLD) for Suppressing Horizontal Motion of Structures
Author(s): Fujino, Yozo Corporate Author: University of Tokyo Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GAC-1
A New Class of Fluid-Loop Dampers
Author(s): Baz, A. Corporate Author: Catholic University; NASA - Goddard Space Flight Center Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GAB-1
Fluid Inertia in Squeeze Film Dampers
Author(s): El-Shafei, A. Corporate Author: University of South Florida Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. GAA-1
Non-Linear Dynamic Analysis with Frequency Dependent Damping
Author(s): Venancio-Filho, V Corporate Author: Federal University of Rio de Janeiro; Federal university of Ouro Preto Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FDD-1
Distributed Parameter Nonlinear Damping Models for Flight Structures
Author(s): Balakrishnan, A. V. Corporate Author: UCLA; NASA Langley Flight Research Center Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FDC-1
The Role of Damping in the Suppression of Parametric Resonances in Nonlinear Systems
Author(s): Zavodney, Lawrence D. Corporate Author: Ohio State University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FDB-1
Effect of Damping on the Predicted Fatigue Life of a Nonlinear Plate
Author(s): Miles, R. N. Corporate Author: State University of New York, Binghampton Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FDA-1
Optimization of Energy Dissipation Rate in Structures
Author(s): Neubert, Vernon H. Corporate Author: Pennsylvania State University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FCD-1
Optimum Selection of Dampers for Freely Vibrating Multidegree of Freedom Systems
Author(s): Gilheany, John J. Corporate Author: Catjholic University of America Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FCC-1
Robust Realization/Identification of Damped Structures
Author(s): Roemer, Michael J. Corporate Author: State University of New York at Buffalo Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FCB-1
Active Vibration Control of Flexible Structures
Author(s): Sun, S. P. Corporate Author: Auburn University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FCA-1
An Internal Damping Configuration for Tubes and Hollow Panels
Author(s): Kerwin, Jr, Edward M. Corporate Author: BBN Systems and Technologies Corporation Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FBD-1
Optimal Application of Damping to the Stanford Gravity Wave Experiment
Author(s): McLaughlin, Frank A. Corporate Author: Stanford University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FBA-1
Complex Modulus Measurements over a Wide Range of Frequencies and Material Characteristics through the Confrontation of Two Instruments
Author(s): Chesneau, Chris Corporate Author: Metravib R.D.S.; I.N.S.A.; Indikon - Metratvib Instruments Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FAD-1
Frequency-Temperature Dependence of Polymer Complex Modulus Properties
Author(s): Lewis, Tom Corporate Author: Anatrol Corporation; Materials Laboratory Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FAC-1
Comparison of Complex Modulus Data Generated by Three Different Measurement Techniques
Author(s): Drake, Michael L. Corporate Author: University of Dayton Research Institute Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FAB-1
Interactive Characterization and Database Storage of Complex Modulus Data
Author(s): Fowler, Bryce L. Corporate Author: CSA Engineering, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. FAA-1
Damping - A Key to More, Faster, Farther, Higher (Keynote Address)
Author(s): Ferguson, Thomas R., Jr. Corporate Author: Headquarters Air Force Systems Command Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume II p. AAA-1
Description of Structural Damping
Author(s): Gaul, L. Corporate Author: University of the Federal Armed Forces Hamburg Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DCD-1
Vibration Damping Performance - What We Should Know About It
Author(s): Chahine, John Corporate Author: Kolano and Saha Engineers, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DCC-1
On Passsive Spot Damping Anomalies
Author(s): Young, Maurice I. Corporate Author: Vigyan Research Associates, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DCB-1
Considerations of Synthesized System Damping in Dynamic Analysis of Space Structures
Author(s): Tsai, Wan T. Corporate Author: Rockwell International Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DBE-1
Optimized Designs of Viscoelastic Damping Treatments
Author(s): Gibson, Warren C. Corporate Author: CSA Engineering Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DBD-1
Hydrostatic Damper for the Space Shuttle Main Engine (SSME) High Prressure Oxidizer Turbopump (HPOTP)
Author(s): Goggin, David G. Corporate Author: Rockwell International Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DBC-1
Constrained Layer Damping for a Space-Based Optical System
Author(s): Bond, Naneen C. Corporate Author: McDonnell Douglas Missile System Company Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DBB-1
A Viscous Isolator for Shuttle Hubble Space Telescope Resupply
Author(s): Davis, Porter Corporate Author: Honywell, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DBA-1
Study of the Rheology of an Elastic Medium Through the Splitting of its Eigenfrequencies
Author(s): Caputo, Michele Corporate Author: Universita "La Sapienza", Roma Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DAD-1
Improved Solution Techniques for the Eigenstructure of Fractional Order Systems
Author(s): Gaudreault, Michele Corporate Author: Air Force Institute of Technology Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DAC-1
The Fractional Order State Equations for the Control of Viscoelastically Damped Structures
Author(s): Bagley, R. L. Corporate Author: Air Force Institute of Technology Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DAB-1
The Fractional Order Estimator (To be published, AIAA J. Guidance Control and Dynamics)
Author(s): Bagley, R. Corporate Author: Air Force Institute of Technology Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. DAA-1
Formulation and Inversion of Transfer Functions of Combined Elastic/Viscoelastic Structures
Author(s): Skaar, S. B. Corporate Author: Iowa State University Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. CCC-1
Application of the Ritz Procedure to Damping Prediction Using a Modal Strain Energy Approach
Author(s): Parekh, Jatin C. Corporate Author: Anamet Laboratories, Inc. Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. CCB-1
Passive Damping Design Methods Using Nastran
Author(s): Matla, Michael J. Corporate Author: Eastman Kodak Company Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. CCA-1
Coupled Modes Resolution by an Exponential Window
Author(s): Agneni, A. Corporate Author: Universita di Roma Laboratory: Flight Dynamics Laboratory Date of Publication: 1989-11 Report Number: WRDC-TR-89-3116 Volume I p. CBC-1