Geodesic
Two-scale FEM for homogenization problems
ESAIM: Mathematical Modelling and Numerical Analysis , Tome 36 (2002) no. 4, pp. 537-572

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The convergence of a two-scale FEM for elliptic problems in divergence form with coefficients and geometries oscillating at length scale ε≪1 is analyzed. Full elliptic regularity independent of ε is shown when the solution is viewed as mapping from the slow into the fast scale. Two-scale FE spaces which are able to resolve the ε scale of the solution with work independent of ε and without analytical homogenization are introduced. Robust in ε error estimates for the two-scale FE spaces are proved. Numerical experiments confirm the theoretical analysis.

DOI : 10.1051/m2an:2002025
Classification : 65N30
Keywords: homogenization, two-scale regularity, finite element method (FEM), two-scale FEM 
Matache, Ana-Maria; Schwab, Christoph. Two-scale FEM for homogenization problems. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 36 (2002) no. 4, pp. 537-572. doi: 10.1051/m2an:2002025
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     title = {Two-scale {FEM} for homogenization problems},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {537--572},
     year = {2002},
     publisher = {EDP-Sciences},
     volume = {36},
     number = {4},
     doi = {10.1051/m2an:2002025},
     mrnumber = {1932304},
     zbl = {1070.65572},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/m2an:2002025/}
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