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  • 标题:Conceptual thoughts on continuum damage mechanics for shallow ice shelves
  • 本地全文:下载
  • 作者:Arne Keller ; Kolumban Hutter
  • 期刊名称:Journal of Glaciology
  • 印刷版ISSN:0022-1430
  • 电子版ISSN:1727-5652
  • 出版年度:2014
  • 卷号:60
  • 期号:222
  • 页码:685-693
  • DOI:10.3189/2014JoG14J010
  • 出版社:Cambridge University Press
  • 摘要:We consider a theory for shallow ice shelves that includes an isotropic damage variable. A zeroth-order shallow-shelf approximation allows a simple yet consistent treatment of both ice dynamics and damage evolution. We find that the damage variable (like temperature) has, in general, to vary with depth; a purely two-dimensional membrane theory can only be considered a rough approximation for isothermal ice shelves.
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