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There are a total of 12 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Aeroservoelastic and Structural Dynamics Research on Smart Structures Conducted at NASA Langley Research Center
Author(s): McGowan, Anna-Maria Rivas; Wilkie, W. Keats; Moses, Robert W.; Lake, Renee C.; Florance, Jennifer Pinkerton; Wieseman, Carol D.; Reaves, Mercedes C.; Taleghani, Barmac K.; Mirick, Paul H.; Wilbur, Mathew L.
Abstract: An overview of smart structures research currently underway at the NASA Langley Research Center in the areas of aeroservoelasticity and structural dynamics is presented. Analytical and experimental results, plans, potential ...
NASA Center: Langley Research Center
Publication Year: 1997
Added to NTRS: 2008-06-02
Document ID: 20040110282
On the Application of a Response Surface Technique to Analyze Roll-over Stability of Capsules with Airbags Using LS-Dyna
Author(s): Horta, Lucas G.; Reaves, Mercedes C.
Abstract: As NASA moves towards developing technologies needed to implement its new Exploration program, studies conducted for Apollo in the 1960's to understand the rollover stability of capsules landing are being revisited. Although ...
NASA Center: Langley Research Center
Publication Year: 2008
Added to NTRS: 2008-05-05
Document ID: 20080015890; Report Number: L-19407, NASA/TM-2008-215117
Langley's CSI evolutionary model: Phase 2
Author(s): Horta, Lucas G.; Reaves, Mercedes C.; Elliott, Kenny B.; Belvin, W. Keith; Teter, John E.
Abstract: Phase 2 testbed is part of a sequence of laboratory models, developed at NASA Langley Research Center, to enhance our understanding on how to model, control, and design structures for space applications. A key problem with ...
NASA Center: Langley Research Center
Publication Year: 1995
Added to NTRS: 2007-06-13
Accession Number: 96N15201; Document ID: 19960008035; Report Number: NAS 1.15:109059, NASA-TM-109059, NIPS-95-06374
Model Update of a Micro Air Vehicle (MAV) Flexible Wing Frame with Uncertainty Quantification
Author(s): Reaves, Mercedes C.; Horta, Lucas G.; Waszak, Martin R.; Morgan, Benjamin G.
Abstract: This paper describes a procedure to update parameters in the finite element model of a Micro Air Vehicle (MAV) to improve displacement predictions under aerodynamics loads. Because of fabrication, materials, and geometric ...
NASA Center: Langley Research Center
Publication Year: 2004
Added to NTRS: 2005-10-13
Document ID: 20040082497; Report Number: NASA/TM-2004-213232
Taxiing, Take-Off, and Landing Simulation of the High Speed Civil Transport Aircraft
Author(s): Reaves, Mercedes C.; Horta, Lucas G.
Abstract: The aircraft industry jointly with NASA is studying enabling technologies for higher speed, longer range aircraft configurations. Higher speeds, higher temperatures, and aerodynamics are driving these newer aircraft ...
NASA Center: Langley Research Center
Publication Year: 1999
Added to NTRS: 2005-08-25
Document ID: 20000011601; Report Number: L-17901, NAS 1.15:209531, NASA/TM-1999-209531
Piezoelectric Actuator Modeling Using MSC/NASTRAN and MATLAB
Author(s): Reaves, Mercedes C.; Horta, Lucas G.
Abstract: This paper presents a procedure for modeling structures containing piezoelectric actuators using MSCMASTRAN and MATLAB. The paper describes the utility and functionality of one set of validated modeling tools. The tools ...
NASA Center: Langley Research Center
Publication Year: 2003
Added to NTRS: 2005-08-25
Document ID: 20030112232; Report Number: L-19005, NAS 1.15:212651, NASA/TM-2003-212651
A Probabilistic Approach to Model Update
Author(s): Horta, Lucas G.; Reaves, Mercedes C.; Voracek, David F.
Abstract: Finite element models are often developed for load validation, structural certification, response predictions, and to study alternate design concepts. In rare occasions, models developed with a nominal set of parameters ...
NASA Center: Dryden Flight Research Center, Langley Research Center
Publication Year: 2001
Added to NTRS: 2005-08-25
Document ID: 20010073809; Report Number: L-18097, NAS 1.15:211039, NASA/TM-2001-211039
Ground and Flight Test Structural Excitation Using Piezoelectric Actuators
Author(s): Voracek, David F.; Reaves, Mercedes C.; Horta, Lucas G.; Potter, Starr
Abstract: A flight flutter experiment at the National Aeronautics and Space Administration (NASA) Dryden Flight Research Center, Edwards, California, used an 18-inch half-span composite model called the Aerostructures Test Wing (ATW). ...
NASA Center: Dryden Flight Research Center, Langley Research Center
Publication Year: 2002
Added to NTRS: 2005-08-25
Document ID: 20020065233; Report Number: AIAA Paper 2002-1349, H-2482, NAS 1.15:210724, NASA/TM-2002-210724
Finite-element-analysis model and preliminary ground testing of controls-structures interaction evolutionary model reflector
Author(s): Reaves, Mercedes C.; Belvin, W. Keith; Bailey, James P.
Abstract: Results of two different nonlinear finite element analyses and preliminary test results for the final design of the Controls-Structures Interaction Evolutionary Model are presented. Load-deflection data bases are generalized ...
NASA Center: Langley Research Center
Publication Year: 1992
Added to NTRS: 2005-08-25
Accession Number: 92N22388; Document ID: 19920013145; Report Number: L-17009, NAS 1.15:4293, NASA-TM-4293
Test Cases for Modeling and Validation of Structures with Piezoelectric Actuators
Author(s): Reaves, Mercedes C.; Horta, Lucas G.
Abstract: A set of benchmark test articles were developed to validate techniques for modeling structures containing piezoelectric actuators using commercially available finite element analysis packages. The paper presents the ...
NASA Center: Langley Research Center
Publication Year: 2001
Added to NTRS: 2004-11-03
Document ID: 20010059241; Report Number: AIAA Paper 2001-1466
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