Autor:
Huerta, Antonio ; Rodríguez-Ferran, Antonio ; Díez, Pedro
Współtwórca:
Sofonea, Mircea - ed. ; Viano, Juan M. - ed.
Tytuł:
Error estimation and adaptivity for nonlinear FE analysis
Podtytuł:
Mathematical Modelling and Numerical Analysis in Solid Mechanics
Tytuł publikacji grupowej:
Temat i słowa kluczowe:
finite elements ; error estimation ; adaptivity ; nonlinearity ; quality of FE solutions ; damage models
Abstract:
An adaptive strategy for nonlinear finite-element analysis, based on the combination of error estimation and h-remeshing, is presented. Its two main ingredients are a residual-type error estimator and an unstructured quadrilateral mesh generator. The error estimator is based on simple local computations over the elements and the so-called patches. ; In contrast to other residual estimators, no flux splitting is required. The adaptive strategy is illustrated by means of a complex nonlinear problem: the failure analysis of a single-edge notched beam. The quasi-brittle response of concrete is modelled by means of a nonlocal damage model.
Wydawca:
Zielona Góra: Uniwersytet Zielonogórski
Data wydania:
Typ zasobu:
Strony:
Źródło:
AMCS, volume 12, number 1 (2002) ; kliknij tutaj, żeby przejść