Two adhesive-contact models for quasistatic mixed-mode delamination problems

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10385431" target="_blank" >RIV/00216208:11320/18:10385431 - isvavai.cz</a>

Alternative codes found

RIV/61388998:_____/18:00498393

Result on the web

<a href="https://doi.org/10.1016/j.matcom.2016.10.004" target="_blank" >https://doi.org/10.1016/j.matcom.2016.10.004</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.matcom.2016.10.004" target="_blank" >10.1016/j.matcom.2016.10.004</a>

Result language

angličtina

Original language name

Two adhesive-contact models for quasistatic mixed-mode delamination problems

Original language description

Two models for quasistatic adhesive unilateral contact delaminating in mixed fracture mode, i.e. distinguishing the lessdissipative mode I (opening) from the more-dissipative mode II (shearing), and allowing rigorous mathematical and numerical analysis, are studied. One model, referred to as associative plasticity-based rate-independent model (APRIM), works for purely elastic bodies and involves, in addition to an interface damage variable, an auxiliary variable (representing interfacial plastic slip) to provide a fracture-mode sensitivity. It relies on a particular concept of force-driven local solutions (given by either vanishingviscosity concept or maximum-dissipation principle). The other model, referred to as linear elastic-(perfectly) brittle interface model (LEBIM), works for visco-elastic bodies and relies on a conventional concept of weak solution and needs no auxiliary interfacial variable. This model is directly related to a usual phenomenological model of mixed-mode dependent interface fracture used in engineering. This paper devises a way how the phenomenology of the LEBIM can be fit to imitate the APRIM under relatively very slow loading, where both models are essentially rate-independent. The so-called effective dissipated energy is partitioned in both formulations to the surface energy and the energy dissipated during the interface debonding process, where the former is independent and the latter dependent on the fracture mode mixity. A numerical comparison of these models, implemented in a boundary element method code, is carried out on a suitable two-dimensional example. Furthermore, the computational efficiency and behaviour of the LEBIM is illustrated on another geometrically more complicated numerical example.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10102 - Applied mathematics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

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

Publication year

2018

Confidentiality

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

Name of the periodical

Mathematics and Computers in Simulation

ISSN

0378-4754

e-ISSN

—

Volume of the periodical

145

Issue of the periodical within the volume

March

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

16

Pages from-to

18-33

UT code for WoS article

000416128600003

EID of the result in the Scopus database

2-s2.0-85007593443