Vliv redukce počtu návrhových parametrů při inverzní identifikaci parametrů nelineárních materiálových modelů s pomocí optimalizačních algoritmů

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F15%3APU118857" target="_blank" >RIV/00216305:26110/15:PU118857 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

čeština

Original language name

Vliv redukce počtu návrhových parametrů při inverzní identifikaci parametrů nelineárních materiálových modelů s pomocí optimalizačních algoritmů

Original language description

Inverse identification of physico-mechanical and fracture mechanical parameters of non-linear material models can be advantageously performed with aid of optimization techniques. The optimization problem is defined as effort to minimize the difference between curve obtained experimentally and curve originating from non-linear numerical simulation. The design vector of variables of optimization task is thus formed by parameters of used non-linear constitutive relation. The full design vector of variablescan sometimes be reduced because some of parameters have low sensitivity to final shape of the curve. This reduction have positive effect to time consumption of the numerical solution but there is a question, how is the effect to accuracy of value of objective function. The submitted article deals with comparison of two optimization studies in which the influence of the reduction of the design vector to the value of the objective function and the time consumption was analyzed.

Czech name

Vliv redukce počtu návrhových parametrů při inverzní identifikaci parametrů nelineárních materiálových modelů s pomocí optimalizačních algoritmů

Czech description

Inverse identification of physico-mechanical and fracture mechanical parameters of non-linear material models can be advantageously performed with aid of optimization techniques. The optimization problem is defined as effort to minimize the difference between curve obtained experimentally and curve originating from non-linear numerical simulation. The design vector of variables of optimization task is thus formed by parameters of used non-linear constitutive relation. The full design vector of variablescan sometimes be reduced because some of parameters have low sensitivity to final shape of the curve. This reduction have positive effect to time consumption of the numerical solution but there is a question, how is the effect to accuracy of value of objective function. The submitted article deals with comparison of two optimization studies in which the influence of the reduction of the design vector to the value of the objective function and the time consumption was analyzed.

Type

D - Article in proceedings

CEP classification

JM - Structural engineering

OECD FORD branch

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Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2015

Confidentiality

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

Article name in the collection

Proceedings of 13th International Conference of New Trends in Statics and Dynamics of Buildings

ISBN

978-80-227-4463-8

ISSN

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e-ISSN

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Number of pages

6

Pages from-to

1-6

Publisher name

Neuveden

Place of publication

Bratislava, Slovenská republika

Event location

Bratislava

Event date

Oct 15, 2015

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

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