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Record #125139:
- #125139
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MARC recordDynamic analysis of ice floe underturning stability / W.R. McGilvary, Barry A. Coutermarsh.
| Title: | Dynamic analysis of ice floe underturning stability / W.R. McGilvary, Barry A. Coutermarsh. |
| Author(s): | McGilvary, W. R. Coutermarsh, Barry A. |
| Date: | [1993] |
| Publisher: | Edmonton, Alberta: University of Alberta, Department of Civil Engineering |
| In: | IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. ([1993]), Vol.1. |
| Abstract: | In order to estimate ice-floe capture efficiency of river ice, underturning stability criterion is required for each characteristic floe geometry. Here, measured hydrodynamic pressure distribution on bottom of single model ice floe is used to estimate dynamic stability at three thickness-to-depth ratios. Energy-based analysis details conditions required for instability, metastability, and stability. Results compare favourably with existing stability criteria. At all three ratios, effect of block rotational inertia has effect of reducing Froude number by 5 to 10% over completely static stability criterion. |
| Notes: | In: IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. Vol.1. / International Association for Hydraulic Research. |
| Keywords: | 551.32 -- Glaciology. 551.326 -- Floating ice. 551.326.83 -- River ice. E6 -- Glaciology: floating ice. |
| SPRI record no.: | 125139 |
LDR 01763naa#a2200000#a#4500 001 SPRI-125139 005 20230930214029.0 007 ta 008 230930s1993####abca###|#####|0||#0#eng#d 035 ## ‡aSPRI-125139 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aMcGilvary, W. R. 245 10 ‡aDynamic analysis of ice floe underturning stability /‡cW.R. McGilvary, Barry A. Coutermarsh. 260 ## ‡aEdmonton, Alberta :‡bUniversity of Alberta, Department of Civil Engineering,‡c[1993] 300 ## ‡ap. 489-502 :‡bdiags., tables. 500 ## ‡aIn: IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. Vol.1. / International Association for Hydraulic Research. 520 3# ‡aIn order to estimate ice-floe capture efficiency of river ice, underturning stability criterion is required for each characteristic floe geometry. Here, measured hydrodynamic pressure distribution on bottom of single model ice floe is used to estimate dynamic stability at three thickness-to-depth ratios. Energy-based analysis details conditions required for instability, metastability, and stability. Results compare favourably with existing stability criteria. At all three ratios, effect of block rotational inertia has effect of reducing Froude number by 5 to 10% over completely static stability criterion. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.326 -- Floating ice.‡2udc 650 07 ‡a551.326.83 -- River ice.‡2udc 650 07 ‡aE6 -- Glaciology: floating ice.‡2local 700 1# ‡aCoutermarsh, Barry A. 773 0# ‡7c2am ‡aInternational Association for Hydraulic Research. ‡tIAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. ‡dEdmonton, Alberta : University of Alberta, Department of Civil Engineering, [1993] ‡gVol.1. ‡wSPRI-125102 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230930