Two-level multiscale enrichment methodology for modeling of heterogeneous plates Export

@article{citeulike:6072622, abstract = {A new two-level multiscale enrichment methodology for analysis of heterogeneous plates is presented. The enrichments are applied in the displacement and strain levels: the displacement field of a Reissner-Mindlin plate is enriched using the multiscale enrichment functions based on the partition of unity principle; the strain field is enriched using the mathematical homogenization theory. The proposed methodology is implemented for linear and failure analysis of brittle heterogeneous plates. The eigendeformation-based model reduction approach is employed to efficiently evaluate the non-linear processes in case of failure. The capabilities of the proposed methodology are verified against direct three-dimensional finite element models with full resolution of the microstructure. Copyright {\copyright} 2009 John Wiley \& Sons, Ltd.}, address = {Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, TN 37235, U.S.A.}, author = {Oskay, Caglar}, citeulike-article-id = {6072622}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/nme.2652}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/122456395/ABSTRACT}, doi = {10.1002/nme.2652}, issn = {1097-0207}, journal = {International Journal for Numerical Methods in Engineering}, keywords = {perforated-plates}, number = {9}, pages = {1143--1170}, posted-at = {2009-11-05 08:03:44}, priority = {2}, title = {Two-level multiscale enrichment methodology for modeling of heterogeneous plates}, url = {http://dx.doi.org/10.1002/nme.2652}, volume = {80}, year = {2009} }

TY - JOUR ID - citeulike:6072622 L3 - citeulike-article-id:6072622 N2 - A new two-level multiscale enrichment methodology for analysis of heterogeneous plates is presented. The enrichments are applied in the displacement and strain levels: the displacement field of a Reissner-Mindlin plate is enriched using the multiscale enrichment functions based on the partition of unity principle; the strain field is enriched using the mathematical homogenization theory. The proposed methodology is implemented for linear and failure analysis of brittle heterogeneous plates. The eigendeformation-based model reduction approach is employed to efficiently evaluate the non-linear processes in case of failure. The capabilities of the proposed methodology are verified against direct three-dimensional finite element models with full resolution of the microstructure. Copyright © 2009 John Wiley & Sons, Ltd. IS - 9 JF - International Journal for Numerical Methods in Engineering SN - 1097-0207 AD - Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, TN 37235, U.S.A. EP - 1170 TI - Two-level multiscale enrichment methodology for modeling of heterogeneous plates VL - 80 SP - 1143 KW - perforated-plates AU - Oskay, Caglar PY - 2009/// UR - http://dx.doi.org/10.1002/nme.2652 ER -