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Determination of interlaminar fracture toughness of cfrp composite in mode i using numerical simulation with cohesive elements

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23210%2F20%3A43959450" target="_blank" >RIV/49777513:23210/20:43959450 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.847.15" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/KEM.847.15</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.847.15" target="_blank" >10.4028/www.scientific.net/KEM.847.15</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Determination of interlaminar fracture toughness of cfrp composite in mode i using numerical simulation with cohesive elements

  • Original language description

    This paper deals with the determination of parameters of the interlaminar failure of the CFRP composite laminate in mode I using numerical simulation with cohesive elements. Knowledge of these parameters is crucial to enable prediction of interlaminar strength of laminates using numerical simulations based on the finite element method with cohesive elements. There are several standardized experimental measurements for determining mode I parameters but not all that are needed for numerical simulations. However, the determination of these parameters and their evolution during cohesive failure is very problematic even if the experimental data is available. This paper deals with the design of a methodology for how to determine these parameters using the fitting process of experimental measurement and numerical simulation. The experimental measurements were done on double cantilever beam specimens according to ASTM standards. The numerical simulations were performed in the Siemens Simcenter software with NX Nastran solver. The numerical model with the obtained parameters shows very good agreement with the experimental measurements. compared to the average experimental values and the analytical calculation, the difference of fracture toughness is up to 1.6 %

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20301 - Mechanical engineering

Result continuities

  • Project

    <a href="/en/project/LO1502" target="_blank" >LO1502: Development of Regional Technological Institute</a><br>

  • Continuities

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

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Key Engineering Materials-Composite Materials and Material Engineering IV

  • ISBN

    978-3-0357-1619-1

  • ISSN

    1013-9826

  • e-ISSN

  • Number of pages

    7

  • Pages from-to

    15-21

  • Publisher name

    Trans Tech Publications Ltd

  • Place of publication

  • Event location

    Soul, South Korea

  • Event date

    Jan 13, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article