On Adaptive Techniques for Quasibrittle Damage Localization

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

On Adaptive Techniques for Quasibrittle Damage Localization

Popis výsledku v původním jazyce

The paper presents an adaptive mesh refinement technique suitable for the resolution of highly localized damage in concrete and other quasibrittle materials. Objectivity of the description of softening is ensured by using regularized material models based on the concept of nonlocal averaging, which is applied to isotropic and anisotropic damage formulations. The present paper evaluates and compares three mapping algorithms, which are based on the closest-point transfer, least-square projection, and shape-function projection. It also briefly comments on other important components of a complete adaptive strategy, i.e., on the error indicator, refinement rules and mesh generator. The efficiency of the proposed strategy is illustrated by two examples thattreat straight as well as curved crack trajectories in two and three dimensions

Název v anglickém jazyce

On Adaptive Techniques for Quasibrittle Damage Localization

Popis výsledku anglicky

The paper presents an adaptive mesh refinement technique suitable for the resolution of highly localized damage in concrete and other quasibrittle materials. Objectivity of the description of softening is ensured by using regularized material models based on the concept of nonlocal averaging, which is applied to isotropic and anisotropic damage formulations. The present paper evaluates and compares three mapping algorithms, which are based on the closest-point transfer, least-square projection, and shape-function projection. It also briefly comments on other important components of a complete adaptive strategy, i.e., on the error indicator, refinement rules and mesh generator. The efficiency of the proposed strategy is illustrated by two examples thattreat straight as well as curved crack trajectories in two and three dimensions

Druh

D - Stať ve sborníku

CEP obor

JM - Inženýrské stavitelství

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2002

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

WCCM V - Book of Abstracts Volume II

ISBN

3-9501554-2-2

ISSN

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e-ISSN

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Počet stran výsledku

1

Strana od-do

100-100

Název nakladatele

Vienna University of Technology

Místo vydání

Wien

Místo konání akce

Vienna

Datum konání akce

7. 7. 2002

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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