Natural frequency modification of thermally activated composite plates

Pietrzakowski, M.

doi:10.1016/s1296-2139(00)00111-1

Cited by 10 publications

(4 citation statements)

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“…A two-level micromechanical method has been presented by Lu and Weng (2000), where the SMA constitutive behavior has been derived at the microscopic level and the overall composite behavior has been modeled at the mesoscale level using the Mori-Tanaka method. In a recent work Pietrzakowski (2000) has reported that the natural frequency of a composite element with SMA fibers can be controlled by controlling the phase transformation of the SMA fibers through heating and cooling. Various fabrication issues have been discussed in the recent works by Sittner and Stalmans (2000) and Mizuuchi (2000).…”

Section: Introductionmentioning

confidence: 99%

Modeling porous shape memory alloys using micromechanical averaging techniques

Entchev

Lagoudas

2002

Mechanics of Materials

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Section: Introductionmentioning

confidence: 99%

Modeling porous shape memory alloys using micromechanical averaging techniques

Entchev

Lagoudas

2002

Mechanics of Materials

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“…Asadi et al [29] studied the effect of the orientation of the SMA fibers on the thermal buckling response of hybrid laminated composite plates. Pietrzakowski [30] presented the natural vibration analysis of the composite plates equipped with SMA wires based on Liang's model [31]. Two types of SMA-reinforced composite plates were studied for the vibration analysis by Zhang et al [32].…”

Section: Introductionmentioning

confidence: 99%

Buckling and free vibration analyses of composite sandwich plates reinforced by shape-memory alloy wires

Kheirikhah

Khosravi

2018

J Braz. Soc. Mech. Sci. Eng.

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Nowadays, shape-memory alloys (SMAs) are used in many applications to improve the mechanical behaviors of the structures. In this paper, the natural vibration and buckling behaviors of the composite sandwich plates reinforced by SMA wires are studied. Three-dimensional (3D) finite element method is employed to model and analyze the sandwich plates. The face sheets of the sandwich plates are considered to be layered orthotropic composite plate, while a soft isotropic material is used for the core. The face sheets are armed by the Ni-Ti-based SMA wires. The Active Property Tuning method is used for modeling the SMA-embedded sandwich plates. The modal and eigenvalue buckling analyses are performed to calculate the natural frequencies and buckling loads of the plates. The effects of plate's thickness, face sheet's thickness and plate aspect ratio and also boundary conditions on the natural frequencies and buckling loads of the plates are inspected. Comparison between obtained numerical results and those published in the literature confirms that the present modeling and vibration and buckling analyses of the SMA-reinforced composite sandwich plates are reliable and applicable.

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“…Micromanipulators and robotics actuators have been built employing SMAs properties to mimic the smooth motions of human muscles [8,10,22,35]. Moreover, SMAs are being used as actuators for vibration and buckling control of flexible structures [2,21,22]. The dynamical response of systems with shape memory actuators presents intrinsically nonlinear characteristics and a rich behavior.…”

Section: Introductionmentioning

confidence: 99%

Bifurcations and Crises in a Shape Memory Oscillator

Machado

Savi

Janeiro

2003

Shock and Vibration

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The remarkable properties of shape memory alloys have been motivating the interest in applications in different areas varying from biomedical to aerospace hardware. The dynamical response of systems composed by shape memory actuators presents nonlinear characteristics and a very rich behavior, showing periodic, quasi-periodic and chaotic responses. This contribution analyses some aspects related to bifurcation phenomenon in a shape memory oscillator where the restitution force is described by a polynomial constitutive model. The term bifurcation is used to describe qualitative changes that occur in the orbit structure of a system, as a consequence of parameter changes, being related to chaos. Numerical simulations show that the response of the shape memory oscillator presents period doubling cascades, direct and reverse, and crises.

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Natural frequency modification of thermally activated composite plates

Cited by 10 publications

References 0 publications

Modeling porous shape memory alloys using micromechanical averaging techniques

Modeling porous shape memory alloys using micromechanical averaging techniques

Buckling and free vibration analyses of composite sandwich plates reinforced by shape-memory alloy wires

Bifurcations and Crises in a Shape Memory Oscillator

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