Implementation of Likhachev’s Model into a Finite Element Program

Patrick Terriault; Vladimir Brailovski

doi:10.4028/www.scientific.net/MSF.738-739.160

Paper Titles

Dynamical Behavior of Martensite-Austenite Transitions: Simulations and Experiments
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Simulation of Vibration Isolation by Shape Memory Alloy Springs Using a Microstructural Model of Shape Memory Alloy
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Precursor Nanoscale Textures in Ferroelastics: Interplay between Anisotropy and Disorder
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CuZr Based Shape Memory Alloys: Effect of Cr and Co on the Martensitic Transformation
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Characterization and Comparative Study of Pseudo-Elastic Cu-Zn-Al Foams Synthesized by Two Different Methods
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Effect of Martensitic Transformation on the Optical Spectra of Cu-Mn-Al Alloy
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HomeMaterials Science ForumMaterials Science Forum Vols. 738-739Implementation of Likhachev’s Model into a Finite...

Implementation of Likhachev’s Model into a Finite Element Program

Abstract:

Shape memory alloys have become very popular over the past few decades, mainly as actuators or superelastic devices. Their complex behavior complicates the design process of these applications, and several models have been developed to assist design engineers in this endeavor. One of these models, the structure-analytical theory proposed by Likhachev, is particularly attractive because it is physically grounded and capable of dealing with tensorial stress and strain states. Unfortunately, its stress-controlled formulation has hindered its implementation in displacement-based finite element programs. This paper presents an adaptation of Likhachev’s model leading to a strain-controlled formulation based on an iterative algorithm and a proportional controller. The resulting model is implemented in ANSYS and a simple finite element analysis is carried out to illustrate its appropriate functioning.

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Periodical:

Materials Science Forum (Volumes 738-739)

Pages:

160-164

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.738-739.160

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Online since:

January 2013

Authors:

Patrick Terriault, Vladimir Brailovski

Keywords:

3D Strain-Controlled Formulation, ANSYS, Finite Element Analysis (FEA), Likhachev’s Model, Modeling, Shape Memory Alloy (SMA)

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