Calibration of fracture locus in scope of uncoupled elastic?plastic-ductile fracture material models

Kód výsledku v IS VaVaI

RIV/26316919:_____/13:#0000478 - isvavai.cz

Nalezeny alternativní kódy

RIV/68407700:21220/14:00217435

Výsledek na webu

http://www.sciencedirect.com/science/article/pii/S0965997813000756

DOI - Digital Object Identifier

10.1016/j.advengsoft.2013.05.007

Jazyk výsledku

angličtina

Název v původním jazyce

Calibration of fracture locus in scope of uncoupled elastic?plastic-ductile fracture material models

Popis výsledku v původním jazyce

This paper describes the calibration process for the uncoupled material model of ductile damage designed by Bai and Wierzbicki. This problem has been investigated within the project ?Identification of ductile damage parameters for nuclear facilities?. The project includes material experiments, designing the shape of the samples, and using the samples for calibrating the material constants of selected ductile damage models. The calibration process for the Bai?Wierzbicki material model is based on fifteentested samples corresponding with the literature. In this paper, we discuss some promising modifications of basic calibration approaches for uncoupled models. These modifications are based on variants in the formulation of the target function expressingthe calibration error. The result of the calibration process was verified through FE simulation of a comparison of each specimen with experimental data. A material model with a description of the ductile damage in a wide range of stress

Název v anglickém jazyce

Calibration of fracture locus in scope of uncoupled elastic?plastic-ductile fracture material models

Popis výsledku anglicky

This paper describes the calibration process for the uncoupled material model of ductile damage designed by Bai and Wierzbicki. This problem has been investigated within the project ?Identification of ductile damage parameters for nuclear facilities?. The project includes material experiments, designing the shape of the samples, and using the samples for calibrating the material constants of selected ductile damage models. The calibration process for the Bai?Wierzbicki material model is based on fifteentested samples corresponding with the literature. In this paper, we discuss some promising modifications of basic calibration approaches for uncoupled models. These modifications are based on variants in the formulation of the target function expressingthe calibration error. The result of the calibration process was verified through FE simulation of a comparison of each specimen with experimental data. A material model with a description of the ductile damage in a wide range of stress

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

—

Projekt

FR-TI2/279: *Identifikace parametrů tvárného porušení materiálů jaderných zařízení

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Advances in Engineering Software

ISSN

0965-9978

e-ISSN

—

Svazek periodika

72

Číslo periodika v rámci svazku

06/2013

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

95-108

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—