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Theory, modeling, and simulation of ...

Jin, Yongmei.

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Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties./
Author:	Jin, Yongmei.
Description:	263 p.
Notes:	Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4564.
Contained By:	Dissertation Abstracts International64-09B.
Subject:	Engineering, Materials Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3104283
ISBN:	0496518514

Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties.
Jin, Yongmei.

Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties. - 263 p.

Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4564.

Thesis (Ph.D.)--Rutgers The State University of New Jersey - New Brunswick, 2003.

In recent years, theoretical modeling and computational simulation of microstructure evolution and materials property has been attracting much attention. While significant advances have been made, two major challenges remain. One is the integration of multiple physical phenomena for simulation of complex materials behavior, the other is the bridging over multiple length and time scales in materials modeling and simulation. The research presented in this Thesis is focused mainly on tackling the first major challenge.

ISBN: 0496518514Subjects--Topical Terms:

1017759
Engineering, Materials Science.

Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties.
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040 $a UnM $c UnM
100 1 $a Jin, Yongmei. $3 1925028
245 1 0 $a Theory, modeling, and simulation of structural and functional materials: Micromechanics, microstructures, and properties.
300 $a 263 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4564.
500 $a Director: Armen G. Khachaturyan.
502 $a Thesis (Ph.D.)--Rutgers The State University of New Jersey - New Brunswick, 2003.
520 $a In recent years, theoretical modeling and computational simulation of microstructure evolution and materials property has been attracting much attention. While significant advances have been made, two major challenges remain. One is the integration of multiple physical phenomena for simulation of complex materials behavior, the other is the bridging over multiple length and time scales in materials modeling and simulation. The research presented in this Thesis is focused mainly on tackling the first major challenge.
520 $a In this Thesis, a unified Phase Field Microelasticity (PFM) approach is developed. This approach is an advanced version of the phase field method that takes into account the exact elasticity of arbitrarily anisotropic, elastically and structurally inhomogeneous systems. The proposed theory and models are applicable to infinite solids, elastic half-space, and finite bodies with arbitrary-shaped free surfaces, which may undergo various concomitant physical processes.
520 $a The Phase Field Microelasticity approach is employed to formulate the theories and models of martensitic transformation, dislocation dynamics, and crack evolution in single crystal and polycrystalline solids. It is also used to study strain relaxation in heteroepitaxial thin films through misfit dislocation and surface roughening. Magnetic domain evolution in nanocrystalline thin films is also investigated. Numerous simulation studies are performed. Comparison with analytical predictions and experimental observations are presented. Agreement verities the theory and models as realistic simulation tools for computational materials science and engineering.
520 $a The same Phase Field Microelasticity formalism of individual models of different physical phenomena makes it easy to integrate multiple physical processes into one unified simulation model, where multiple phenomena are treated as various relaxation modes that together act as one common cooperative phenomenon. The model does not impose a priori constraints on possible microstructure evolution paths. This gives the model predicting power, where material system itself "chooses" the optimal path for multiple processes.
520 $a The advances made in this Thesis present a significant step forward to overcome the first challenge, mesoscale multi-physics modeling and simulation of materials. At the end of this Thesis, the way to tackle the second challenge, bridging over multiple length and time scales in materials modeling and simulation, is discussed based on connection between the mesoscale Phase Field Microelasticity modeling and microscopic atomistic calculation as well as macroscopic continuum theory.
590 $a School code: 0190.
650 4 $a Engineering, Materials Science. $3 1017759
650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Applied Mechanics. $3 1018410
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710 2 0 $a Rutgers The State University of New Jersey - New Brunswick. $3 1017590
773 0 $t Dissertation Abstracts International $g 64-09B.
790 1 0 $a Khachaturyan, Armen G., $e advisor
790 $a 0190
791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3104283