Finite-Volume-Element Method for Second-Order Quasilinear Elliptic Problems. Bi, C. & Ginting, V. IMA Journal of Numerical Analysis, 31(3):1062-1089, 2011. Paper doi abstract bibtex In this paper we consider the finite-volume-element method for general second-order quasilinear elliptic problems over a convex polygonal domain in the plane. Using reasonable assumptions, we show the existence and uniqueness of the finite-volume-element approximations. It is proved that the finite-volume-element approximations are convergent with Graphic, where r > 2, and Graphic in the H1-, W1, �- and L2-norms, respectively, for u ? W2, r(�) and u ? W2, �(�) ? W3, p(�), where p > 1. Moreover, the optimal-order error estimates in the W1, �- and L2-norms and an Graphic estimate in the L�-norm are derived under the assumption that u ? W2, �(�) ? H3(�). Numerical experiments are presented to confirm the estimates.
@article {MR2832790,
AUTHOR = {Bi, C. and Ginting, V.},
TITLE = {Finite-{V}olume-{E}lement {M}ethod for {S}econd-{O}rder {Q}uasilinear
{E}lliptic {P}roblems},
JOURNAL = {IMA Journal of Numerical Analysis},
VOLUME = {31},
YEAR = {2011},
NUMBER = {3},
PAGES = {1062-1089},
ISSN = {0272-4979},
CODEN = {IJNADN},
MRCLASS = {65N08 (35J25 35J62 65N12 65N15 65N30)},
MRNUMBER = {2832790 (2012j:65367)},
MRREVIEWER = {Veronika Sobot{\'{\i}}kov{\'a}},
DOI = {10.1093/imanum/drq011},
URL = {http://dx.doi.org/10.1093/imanum/drq011},
ABSTRACT="In this paper we consider the finite-volume-element method for general second-order quasilinear elliptic problems over a convex polygonal domain in the plane. Using reasonable assumptions, we show the existence and uniqueness of the finite-volume-element approximations. It is proved that the finite-volume-element approximations are convergent with Graphic, where r > 2, and Graphic in the H1-, W1, �- and L2-norms, respectively, for u ? W2, r(�) and u ? W2, �(�) ? W3, p(�), where p > 1. Moreover, the optimal-order error estimates in the W1, �- and L2-norms and an Graphic estimate in the L�-norm are derived under the assumption that u ? W2, �(�) ? H3(�). Numerical experiments are presented to confirm the estimates."
}
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