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A Unified Macro- and Micro-mechanics Constitutive Model of Fully Coupled Fields
SUN Zhigang *
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics
*Correspondence author
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Funding: Research Fund for the Doctoral Program of Higher Education of China （No.20070287039）, aviation science funds （No.2009ZB52028 ）
Opened online:31 December 2010
Accepted by: none
Citation: SUN Zhigang.A Unified Macro- and Micro-mechanics Constitutive Model of Fully Coupled Fields[OL]. [31 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4400790
 
 
A unified macro- and micro-mechanics constitutive model of fully coupled electro-magneto-thermo-elastic multiphase functional composites is developed in this paper. The model is based upon the hypothesis of periods, the theory of uniformity and the generalized method of cells (GMC). By using the quadratic displacements, electric potentials and magnetic potentials, the accuracy of predicting the materials' constitutive model is improved. The original GMC is also improved in this paper by adopting surface-averaged quantities to be the primary variables that replace the coefficients of micro-displacements, electric potentials and magnetic potentials. Therefore, the computation is effective and efficiency. The prediction of a functional composite's constitutive model was performed and the curves between material constants and the volume fraction of fiber were obtained.
Keywords:kfunctional composite; electro-magneto-thermo-elastic; constitutive model; fully coupled; Generalized Method of Cells
 
 
 

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