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International Journal for Multiscale Computational Engineering

Published 6 issues per year

ISSN Print: 1543-1649

ISSN Online: 1940-4352

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.4 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 2.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00034 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.46 SJR: 0.333 SNIP: 0.606 CiteScore™:: 3.1 H-Index: 31

Indexed in

VARIATIONALLY CONSISTENT COMPUTATIONAL HOMOGENIZATION OF MICRO-ELECTRO-MECHANICS AT FINITE DEFORMATIONS

Volume 16, Issue 4, 2018, pp. 377-395
DOI: 10.1615/IntJMultCompEng.2018026858
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ABSTRACT

This paper presents a variationally consistent approach of computational homogenization to large-deformation micro-electro-mechanics. It links a phase-field model for micro-structure evolution in ferroelectrics to an electro-mechanical macro-continuum by extending existing small-strain approaches to finite deformations. The variationally consistent two-scale solution scheme is based on a rate-type variational principle that incorporates the polarization as microscopic order parameter. It enables combined electro-mechanical loading conditions of representative volume elements by means of a generalized macroscopic driving routine. The proposed scheme allows for the computation of effective quantities such as stresses and electric displacements as well as the associated moduli. These quantities directly depend on the domain configurations of the ferroelectric phases at the micro-level. We demonstrate the capabilities of the proposed formulation by a set of academic numerical examples that showcase the considered electro-mechanical coupling phenomena at micro- and macro-scale.

CITED BY
  1. Peng Ren-Ci, Cheng Xiaoxing, Peng Bin, Zhou Ziyao, Chen Long-Qing, Liu Ming, Domain patterns and super-elasticity of freestanding BiFeO3 membranes via phase-field simulations, Acta Materialia, 208, 2021. Crossref

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