Estimates for the combined effect of boundary approximation and numerical integration on the approximation of (simple) eigenvalues and eigenvectors of 4th order eigenvalue problems with variable/constant coefficients in convex domains with curved boundary by an isoparametric mixed finite element method, which, in the particular case of bending problems of aniso-/ortho-/isotropic plates with variable/constant thickness, gives a simultaneous approximation to bending moment tensor field and displacement field ‘u’, have been developed.
@article{M2AN_2002__36_1_1_0, author = {Bhattacharyya, Pulin Kumar and Nataraj, Neela}, title = {Isoparametric mixed finite element approximation of eigenvalues and eigenvectors of 4th order eigenvalue problems with variable coefficients}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique}, volume = {36}, year = {2002}, pages = {1-32}, doi = {10.1051/m2an:2002001}, mrnumber = {1916290}, zbl = {0993.35031}, language = {en}, url = {http://dml.mathdoc.fr/item/M2AN_2002__36_1_1_0} }
Bhattacharyya, Pulin Kumar; Nataraj, Neela. Isoparametric mixed finite element approximation of eigenvalues and eigenvectors of 4th order eigenvalue problems with variable coefficients. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 36 (2002) pp. 1-32. doi : 10.1051/m2an:2002001. http://gdmltest.u-ga.fr/item/M2AN_2002__36_1_1_0/
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