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Optimization of Bodies with Locally Periodic Microstructure
Mechanics of Advanced Materials and Structures, 2012This article describes a numerical study of the optimization of elastic bodies featuring a locally periodic microscopic pattern. The authors’ approach makes the link between the microscopic level and the macroscopic one. Two-dimensional linearly elastic bodies are considered; the same techniques can be applied to three-dimensional bodies ...
Anca-Maria Toader, Cristian Barbarosie
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Composites with periodic microstructure
Computers & Structures, 1983For an elastic body containing periodically distributed inhomogeneities, a general procedure is developed for estimating the overall properties of the composite in terms of several infinite series which, for the isotropic matrix (but anisotropic inclusions), depend only on the geometry of the inhomogeneities and hence can be calculated once and for all
Iwakuma, T., Nemat-Nasser, S.
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Soft Periodic Microstructures Containing Liquid Crystals
The Journal of Physical Chemistry B, 2013An empty polymeric structure has been realized by combining a high precision level optical holographic setup and a selective microfluidic etching process. The distinctive features of the realized periodic microstructure enabled aligning several kinds of liquid crystal (LC) compounds, without the need of any kind of surface chemistry or ...
De Sio L +4 more
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Periodic and aperiodic superconducting microstructures
SPIE Proceedings, 1998Abstract We summarize some recent activities of our group involving e-beam and optically patterned,Nbbased, superconducting nanostructures, as well as related computer modeling studies. Thedevices described are: i) Fiske cavities buried in a Nb base layer and driven by an overlyingNb/AlOx/Nb Josephson oscillator junction, ii) Nb/AlOx/AIJAIOx/Nb (SINIS)
John B. Ketterson +5 more
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Nonlinear behaviour in a composite with a periodic microstructure
Proceedings of 5th International Conference on Properties and Applications of Dielectric Materials, 2002We discuss the nonlinear behaviour of a current in the two-dimensional periodic textures near the percolation metal-insulator transition. It is shown that the effective nonlinear conductivity and the fourth current and field correlation functions are anomalously great at finite values of the ratio of the linear conductivities of the cells, and the ...
A.M. Satanin +2 more
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Formulas for the stiffness of composites with periodic microstructure
International Journal of Solids and Structures, 1994zbMATH Open Web Interface contents unavailable due to conflicting licenses.
E.J. Barbero, R. Luciano
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Preparation of Periodic Microstructured Diamond Surfaces
Chemistry Letters, 2000Abstract Two types of periodic surfaces were fabricated by utilizing two-dimensionally ordered arrays, in one case as a template and in another as a mask. In the first case, a bulb-like microstructured surface was formed, and, in the second, a cylinder-like microstructure.
Suguru Okuyama +2 more
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Mechanics of Electrostrictive Materials With Periodic Microstructure
Adaptive Structures and Material Systems, 1999Abstract The effective properties as well as local elastic and electric fields in smart electrostrictive composite materials with periodic microstructure are estimated by using the Fourier series technique (Nemat-Nasser et al., 1993) and the equivalent inclusion method (Eshelby, 1957).
T. Somphone, N. Yu
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Evolution dynamics of 3D periodic microstructures in irradiated materials
Modelling and Simulation in Materials Science and Engineering, 1993The formation and evolution of defect microstructures in irradiated materials is analysed in the framework of a dynamical model for the evolution of the two fundamental defects of irradiated microstructures, namely vacancy and interstitial clusters. The effects of irradiation on materials is described by dynamical equations for two mobile atomic size ...
Ghoniem, Nasr, Walgraef, Daniel
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