Velocity of interfaces with short and long ranged elasticity under sinusoidal creep

Juha Savolainen*, Mikko Alava

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Plenty of research on elastic interfaces has been done on systems where the interface is pushed with a constant force. We studied the average velocity of an interface under a sinusoidal driving in the creep region, considering both short-range elastic systems, such as magnetic domain walls during a hysteresis loop, and long-ranged systems such as fractures. We obtained a modified version of the creep velocity with approximate power-law behavior and a material-dependent exponent for short ranged systems and simpler behavior for long-range elasticity. We discuss whether the model can be applied to fatigue fractures or if extra physics is needed.

Original languageEnglish
Article number083301
Pages (from-to)1-15
Number of pages15
JournalJournal of Statistical Mechanics: Theory and Experiment
Volume2023
Issue number8
DOIs
Publication statusPublished - 1 Aug 2023
MoE publication typeA1 Journal article-refereed

Keywords

  • domain walls
  • fracture
  • interfaces in random media

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