Thermomechanical Response Of Shape Memory Alloy Hybrid Composites
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| Author | : Travis L. Turner |
| Publisher | : DIANE Publishing |
| Total Pages | : 239 |
| Release | : 2001 |
| Genre | : Actuators |
| ISBN | : 1428996133 |
This study examines the use of embedded shape memory alloy (SMA) actuators for adaptive control of the thermomechanical response of composite structures. A nonlinear thermomechanical model is presented for analyzing shape memory alloy hybrid composite (SMAHC) structures exposed to steady-state thermal and dynamic mechanical loads. Also presented are (1) fabrication procedures for SMAHC specimens, (2) characterization of constituent materials for model quantification, (3) development of the test apparatus for conducting static and dynamic experiments on specimens with and without SMA, (4) discussion of the experimental results, and (5) validation of the analytical and numerical tools developed in the study. Excellent agreement is achieved between the predicted and measured SAMHC responses including thermal buckling, thermal post-buckling and dynamic response due to inertial loading.
| Author | : United States. National Aeronautics and Space Administration |
| Publisher | : |
| Total Pages | : |
| Release | : 2003* |
| Genre | : |
| ISBN | : |
| Author | : Travis L. Turner |
| Publisher | : |
| Total Pages | : 220 |
| Release | : 2001 |
| Genre | : Composite materials |
| ISBN | : |
| Author | : Brian A. Davis |
| Publisher | : |
| Total Pages | : 116 |
| Release | : 2005 |
| Genre | : |
| ISBN | : |
| Author | : National Aeronautics and Space Administration (NASA) |
| Publisher | : Createspace Independent Publishing Platform |
| Total Pages | : 136 |
| Release | : 2018-06-15 |
| Genre | : |
| ISBN | : 9781721150137 |
Previous work at NASA Langley Research Center (LaRC) involved fabrication and testing of composite beams with embedded, pre-strained shape memory alloy (SMA) ribbons. That study also provided comparison of experimental results with numerical predictions from a research code making use of a new thermoelastic model for shape memory alloy hybrid composite (SMAHC) structures. The previous work showed qualitative validation of the numerical model. However, deficiencies in the experimental-numerical correlation were noted and hypotheses for the discrepancies were given for further investigation. The goal of this work is to refine the experimental measurement and numerical modeling approaches in order to better understand the discrepancies, improve the correlation between prediction and measurement, and provide rigorous quantitative validation of the numerical model. Thermal buckling, post-buckling, and random responses to thermal and inertial (base acceleration) loads are studied. Excellent agreement is achieved between the predicted and measured results, thereby quantitatively validating the numerical tool. Davis, Brian A. Langley Research Center NCC1-02043
| Author | : Brian A. Davis |
| Publisher | : BiblioGov |
| Total Pages | : 138 |
| Release | : 2013-07 |
| Genre | : |
| ISBN | : 9781289240585 |
Previous work at NASA Langley Research Center (LaRC) involved fabrication and testing of composite beams with embedded, pre-strained shape memory alloy (SMA) ribbons. That study also provided comparison of experimental results with numerical predictions from a research code making use of a new thermoelastic model for shape memory alloy hybrid composite (SMAHC) structures. The previous work showed qualitative validation of the numerical model. However, deficiencies in the experimental-numerical correlation were noted and hypotheses for the discrepancies were given for further investigation. The goal of this work is to refine the experimental measurement and numerical modeling approaches in order to better understand the discrepancies, improve the correlation between prediction and measurement, and provide rigorous quantitative validation of the numerical model. Thermal buckling, post-buckling, and random responses to thermal and inertial (base acceleration) loads are studied. Excellent agreement is achieved between the predicted and measured results, thereby quantitatively validating the numerical tool.
| Author | : Brian A. Davis |
| Publisher | : |
| Total Pages | : 116 |
| Release | : 2005 |
| Genre | : Numerical analysis |
| ISBN | : |
| Author | : Max Kaiser |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2023 |
| Genre | : |
| ISBN | : 9783944440552 |
| Author | : Anna-Maria R. McGowan |
| Publisher | : |
| Total Pages | : 120 |
| Release | : 2002 |
| Genre | : Smart materials |
| ISBN | : |
| Author | : |
| Publisher | : Jeffrey Frank Jones |
| Total Pages | : 7322 |
| Release | : |
| Genre | : |
| ISBN | : |
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