Dissipative dynamic fracture of disordered systems

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Journal Title
Journal ISSN
Volume Title
School of Science | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
1995
Major/Subject
Mcode
Degree programme
Language
en
Pages
R2727-R2730
Series
Physical Review E, Volume 51, Issue 4
Abstract
Breakdown of two-dimensional disordered systems is studied with a time-dependent network model. The dependence of fracture process on the local relaxation of the force field is included within the framework of Maxwellian viscoelasticity. The dynamics and characteristics of crack formation and propagation are shown to depend on disorder and relative time scales of dissipation and loading. Brittle behavior is encountered in the adiabatic limit of slow straining. At finite strain rates, the development of damage shows ductile behavior with increasing dissipation. Nucleation of cracks in various dynamical situations is discussed.
Description
Keywords
dynamic fractures, two-dimensional disordered systems, Maxwellian viscoelasticity
Other note
Citation
Rautiainen, T.T. & Alava, Mikko J. & Kaski, K. 1995. Dissipative dynamic fracture of disordered systems. Physical Review E. Volume 51, Issue 4. R2727-R2730. ISSN 1539-3755 (printed). DOI: 10.1103/physreve.51.r2727.