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Record #86954:
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MARC recordA tensile fracture model for ice / S. Shyam Sunder, S. Nanthikesan.
| Title: | A tensile fracture model for ice / S. Shyam Sunder, S. Nanthikesan. |
| Author(s): | Sunder, S. Shyam. Nanthikesan, S. |
| Date: | 1987. |
| Publisher: | New York: American Society of Mechanical Engineers |
| In: | Proceedings of the Sixth (1987) International Offshore Mechanics and Arctic Engineering Symposium, presented at the Sixth (1987) International Symposium & Exhibit on Offshore Mechanics and Arctic Engineering, Houston, Texas, March 1-6, 1987. Vol. 4. (1987.), |
| Abstract: | Fracture of ice under tensile loading is characterized in terms of stress versus separation behaviour in process zone; this characterization can be used in numerical simulations based in discrete crack models. Stress-separation model is then integrated with rate-sensitive tensile stress-strain-strength model to account for strain softening at continuum scale. Resulting constitutive theory can be applied, in conjunction with objective energy criterion proposed here, to simulate localized fracture processes based on blunt crack band theory. Quantitative estimates of fracture process-zone size are obtained to assess validity of toughness measurements based on linear elastic fracture mechanics. |
| Notes: | In: Proceedings of the Sixth (1987) International Offshore Mechanics and Arctic Engineering Symposium, presented at the Sixth (1987) International Symposium & Exhibit on Offshore Mechanics and Arctic Engineering, Houston, Texas, March 1-6, 1987. Vol. 4 / Virgil J. Lunardini, N.K. Sinha, Y.S. Wang, R.D. Goff, eds. |
| Keywords: | 551.32 -- Glaciology. 551.322 -- Ice and snow. 551.326 -- Floating ice. 539.42 -- Ice, tensile strength. 519.673 -- Modelling. E4 -- Glaciology: physics and chemistry of ice. |
| SPRI record no.: | 86954 |
LDR 02161naa#a2200000#a#4500 001 SPRI-86954 005 20240418094552.0 007 ta 008 240418s1987####nyua###|#####|0||#0#eng#d 035 ## ‡aSPRI-86954 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aSunder, S. Shyam. 245 12 ‡aA tensile fracture model for ice /‡cS. Shyam Sunder, S. Nanthikesan. 260 ## ‡aNew York :‡bAmerican Society of Mechanical Engineers,‡c1987. 300 ## ‡ap. 225-233 :‡bdiags. 500 ## ‡aIn: Proceedings of the Sixth (1987) International Offshore Mechanics and Arctic Engineering Symposium, presented at the Sixth (1987) International Symposium & Exhibit on Offshore Mechanics and Arctic Engineering, Houston, Texas, March 1-6, 1987. Vol. 4 / Virgil J. Lunardini, N.K. Sinha, Y.S. Wang, R.D. Goff, eds. 520 3# ‡aFracture of ice under tensile loading is characterized in terms of stress versus separation behaviour in process zone; this characterization can be used in numerical simulations based in discrete crack models. Stress-separation model is then integrated with rate-sensitive tensile stress-strain-strength model to account for strain softening at continuum scale. Resulting constitutive theory can be applied, in conjunction with objective energy criterion proposed here, to simulate localized fracture processes based on blunt crack band theory. Quantitative estimates of fracture process-zone size are obtained to assess validity of toughness measurements based on linear elastic fracture mechanics. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.322 -- Ice and snow.‡2udc 650 07 ‡a551.326 -- Floating ice.‡2udc 650 07 ‡a539.42 -- Ice, tensile strength.‡2udc 650 07 ‡a519.673 -- Modelling.‡2udc 650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local 700 1# ‡aNanthikesan, S. 773 0# ‡7nnam ‡aVirgil J. Lunardini, N.K. Sinha, Y.S. Wang, R.D. Goff, eds. ‡tProceedings of the Sixth (1987) International Offshore Mechanics and Arctic Engineering Symposium, presented at the Sixth (1987) International Symposium & Exhibit on Offshore Mechanics and Arctic Engineering, Houston, Texas, March 1-6, 1987. Vol. 4. ‡dNew York : American Society of Mechanical Engineers, 1987. ‡wSPRI-86926 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240418