In this paper, a low dimensional model is constructed to approximate the nonlinear ferroelastic dynamics involving mechanically and thermally-induced martensite transformations. The dynamics of the first order martensite transformation is first modeled by a set of nonlinear coupled partial differential equations (PDEs), which is obtained by using the modified Ginzburg–Landau theory. The Chebyshev collocation method is employed for the numerical analysis of the PDE model. An extended proper orthogonal decomposition is then carried out to construct a set of empirical orthogonal eigenmodes of the dynamics, with which system characteristics can be optimally approximated (in a specified sense) within a range of different temperatures and under various mechanical and thermal loadings. The performance of the low dimensional model is analyzed numerically. Results on the dynamics involving mechanically and thermally-induced phase transformations and the hysteresis effects induced by such transformations are presented.
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Low Dimensional Approximations to Ferroelastic Dynamics and Hysteretic Behavior Due to Phase Transformations
Linxiang X. Wang,
Linxiang X. Wang
Institute of Mechatronic Engineering,
Hangzhou Dianzi University
, Hangzhou 310037, China; MCI, Faculty of Science and Engineering, University of Southern Denmark
, Sonderborg DK-6400, Denmark
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Roderick V. N. Melnik
Roderick V. N. Melnik
M2NeT Lab,
e-mail: rmelnik@wlu.ca
Wilfrid Laurier University
, 75 University Avenue West, Waterloo, ON, N2L 3C5, Canada
Search for other works by this author on:
Linxiang X. Wang
Institute of Mechatronic Engineering,
Hangzhou Dianzi University
, Hangzhou 310037, China; MCI, Faculty of Science and Engineering, University of Southern Denmark
, Sonderborg DK-6400, Denmark
Roderick V. N. Melnik
M2NeT Lab,
Wilfrid Laurier University
, 75 University Avenue West, Waterloo, ON, N2L 3C5, Canadae-mail: rmelnik@wlu.ca
J. Appl. Mech. May 2010, 77(3): 031015 (12 pages)
Published Online: February 24, 2010
Article history
Received:
January 18, 2006
Revised:
August 3, 2009
Online:
February 24, 2010
Published:
February 24, 2010
Citation
Wang, L. X., and Melnik, R. V. N. (February 24, 2010). "Low Dimensional Approximations to Ferroelastic Dynamics and Hysteretic Behavior Due to Phase Transformations." ASME. J. Appl. Mech. May 2010; 77(3): 031015. https://doi.org/10.1115/1.4000381
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