Critical slip and time dependence in sea ice friction
Recent research into sea ice friction has focussed on ways to provide a model which maintains much of the clarity and simplicity of Amonton's law, yet also accounts for memory effects. One promising avenue of research has been to adapt the rate- and state- dependent models which are prevalent i...
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ftunivreading:oai:centaur.reading.ac.uk:34578 2024-06-23T07:56:41+00:00 Critical slip and time dependence in sea ice friction Lishman, Ben Sammonds, Peter R. Feltham, Daneil L. 2013-06 text https://centaur.reading.ac.uk/34578/ https://centaur.reading.ac.uk/34578/1/1-s2.0-S0165232X13000487-main.pdf https://doi.org/10.1016/j.coldregions.2013.03.004 en eng Elsevier https://centaur.reading.ac.uk/34578/1/1-s2.0-S0165232X13000487-main.pdf Lishman, B., Sammonds, P. R. and Feltham, D. L. <https://centaur.reading.ac.uk/view/creators/90004991.html> orcid:0000-0003-2289-014X (2013) Critical slip and time dependence in sea ice friction. Cold Regions Science and Technology, 90-91. pp. 9-13. ISSN 0165-232X doi: https://doi.org/10.1016/j.coldregions.2013.03.004 <https://doi.org/10.1016/j.coldregions.2013.03.004> Article PeerReviewed 2013 ftunivreading https://doi.org/10.1016/j.coldregions.2013.03.004 2024-06-11T15:01:09Z Recent research into sea ice friction has focussed on ways to provide a model which maintains much of the clarity and simplicity of Amonton's law, yet also accounts for memory effects. One promising avenue of research has been to adapt the rate- and state- dependent models which are prevalent in rock friction. In such models it is assumed that there is some fixed critical slip displacement, which is effectively a measure of the displacement over which memory effects might be considered important. Here we show experimentally that a fixed critical slip displacement is not a valid assumption in ice friction, whereas a constant critical slip time appears to hold across a range of parameters and scales. As a simple rule of thumb, memory effects persist to a significant level for 10 s. We then discuss the implications of this finding for modelling sea ice friction and for our understanding of friction in general. Article in Journal/Newspaper Sea ice CentAUR: Central Archive at the University of Reading Thumb ENVELOPE(-64.259,-64.259,-65.247,-65.247) Cold Regions Science and Technology 90-91 9 13 |
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Open Polar |
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CentAUR: Central Archive at the University of Reading |
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ftunivreading |
language |
English |
description |
Recent research into sea ice friction has focussed on ways to provide a model which maintains much of the clarity and simplicity of Amonton's law, yet also accounts for memory effects. One promising avenue of research has been to adapt the rate- and state- dependent models which are prevalent in rock friction. In such models it is assumed that there is some fixed critical slip displacement, which is effectively a measure of the displacement over which memory effects might be considered important. Here we show experimentally that a fixed critical slip displacement is not a valid assumption in ice friction, whereas a constant critical slip time appears to hold across a range of parameters and scales. As a simple rule of thumb, memory effects persist to a significant level for 10 s. We then discuss the implications of this finding for modelling sea ice friction and for our understanding of friction in general. |
format |
Article in Journal/Newspaper |
author |
Lishman, Ben Sammonds, Peter R. Feltham, Daneil L. |
spellingShingle |
Lishman, Ben Sammonds, Peter R. Feltham, Daneil L. Critical slip and time dependence in sea ice friction |
author_facet |
Lishman, Ben Sammonds, Peter R. Feltham, Daneil L. |
author_sort |
Lishman, Ben |
title |
Critical slip and time dependence in sea ice friction |
title_short |
Critical slip and time dependence in sea ice friction |
title_full |
Critical slip and time dependence in sea ice friction |
title_fullStr |
Critical slip and time dependence in sea ice friction |
title_full_unstemmed |
Critical slip and time dependence in sea ice friction |
title_sort |
critical slip and time dependence in sea ice friction |
publisher |
Elsevier |
publishDate |
2013 |
url |
https://centaur.reading.ac.uk/34578/ https://centaur.reading.ac.uk/34578/1/1-s2.0-S0165232X13000487-main.pdf https://doi.org/10.1016/j.coldregions.2013.03.004 |
long_lat |
ENVELOPE(-64.259,-64.259,-65.247,-65.247) |
geographic |
Thumb |
geographic_facet |
Thumb |
genre |
Sea ice |
genre_facet |
Sea ice |
op_relation |
https://centaur.reading.ac.uk/34578/1/1-s2.0-S0165232X13000487-main.pdf Lishman, B., Sammonds, P. R. and Feltham, D. L. <https://centaur.reading.ac.uk/view/creators/90004991.html> orcid:0000-0003-2289-014X (2013) Critical slip and time dependence in sea ice friction. Cold Regions Science and Technology, 90-91. pp. 9-13. ISSN 0165-232X doi: https://doi.org/10.1016/j.coldregions.2013.03.004 <https://doi.org/10.1016/j.coldregions.2013.03.004> |
op_doi |
https://doi.org/10.1016/j.coldregions.2013.03.004 |
container_title |
Cold Regions Science and Technology |
container_volume |
90-91 |
container_start_page |
9 |
op_container_end_page |
13 |
_version_ |
1802649973160935424 |