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Effect Of Grain Size On The Internal Fracturing Of Polycrystalline Ice
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Book Synopsis Effect of Grain Size on the Internal Fracturing of Polycrystalline Ice by : David M. Cole
Download or read book Effect of Grain Size on the Internal Fracturing of Polycrystalline Ice written by David M. Cole and published by . This book was released on 1986 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the results of a study to examine the effects of grain size of internal microfractures in polycrystalline ice. Laboratory-prepared specimens were tested under uniaxial, constant-load creep conditions at -5 C. Grain size ranged from 1.5 to 6.0 mm. This range of grain size, under an initial creep stress of 2.0 MPa, led to a significant change in the character of deformation. The finest-grained material displayed no internal cracking and typically experienced strains of 10 to the minus 2nd power at the minimum creep rate epsilon. The coarse-grained material experienced severe cracking and a drop in the strain at epsilon min to approximately 4x10 to the minus 3rd power. Extensive post-test optical analysis allowed estimation of the size distribution and number of microcracks in the tested material. These data led to the development of a relationship between the average crack size and the average grain size. Additionally, the crack size distribution, when normalized to the grain diameter, was very similar for all specimens tested. The results indicate that the average crack size is approximately one-half the average grain diameter over the stated grain size range. A dislocation pileup model is found to adequately predict the onset of internal cracking. The work employed acoustic emission techniques to monitor the fracturing rate occurred. Other topics covered in this report include creep behavior, crack healing, the effect of stress level on fracture size and the orientation of cracked grains. Theoretical aspects of the grain size effect on material behavior are also given.
Download or read book CRREL Report written by and published by . This book was released on 1986 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ice-Structure Interaction by : Stephen J. Jones
Download or read book Ice-Structure Interaction written by Stephen J. Jones and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: IUTAM-IAHR Symposium on Ice-Structure Interaction Professor Bez Tabarrok, Chairman of the Canadian National Committee (CNC) of the International Union of Theoretical and Applied Mechanics (IUTAM) invited Professor Derek Muggeridge to organize a symposium on ice structure interaction. Dr. Muggeridge readily agreed and prepared a proposal that was endorsed by the CNC and presented to the General Assembly Meeting of IUTAM for their consideration. This Assembly gave its approval and provided the local organizing committee with the names of individuals who were willing to serve on the Scientific Committee. Dr. Muggeridge became chairman of this committee and Dr. Ian Jordaan became co-chairman of this committee as well as chairman of the local organizing committee. The symposium followed the very successful previous meeting, chaired by Professor P. Tryde in Copenhagen, by ten years. Both symposia uti lized Springer-Verlag to publish their proceedings. The Faculty of En gineering and Applied Science at Memorial University of Newfoundland were particul{lXly pleased to host this prestigious symposium as it marked the twentieth anniversary of its Ocean Engineering Research Centre.
Book Synopsis IUTAM Symposium on Scaling Laws in Ice Mechanics and Ice Dynamics by : J.P. Dempsey
Download or read book IUTAM Symposium on Scaling Laws in Ice Mechanics and Ice Dynamics written by J.P. Dempsey and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Volume constitutes the Proceedings of the IUTAM Symposium on 'Scaling Laws in Ice Mechanics and Ice Dynamics', held in Fairbanks, Alaska from 13th to 16th of June 2000. Ice mechanics deals with essentially intact ice: in this discipline, descriptions of the motion and deformation of Arctic/ Antarctic and river/lake ice call for the development of physically based constitutive and fracture models over an enormous range in scale: 0.01 m - 10 km. Ice dynamics, on the other hand, deals with the movement of broken ice: descriptions of an aggregate of ice floes call for accurate modeling of momentum transfer through the sea/ice system, again over an enormous range in scale: 1 km (floe scale) - 500 km (basin scale). For ice mechanics, the emphasis on lab-scale (0.01 - 0.5 m) research con trasts with applications at the scale of order 1 km (ice-structure interaction, icebreaking); many important upscaling questions remain to be explored.
Book Synopsis Mechanics of Ice Failure by : Ian Jordaan
Download or read book Mechanics of Ice Failure written by Ian Jordaan and published by Cambridge University Press. This book was released on 2023-02-28 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring real-world examples and practical methodology, this rigorous text explores time dependence in the mechanics of ice. Emphasizing use of full scale data, and implementing risk-based design methods, mechanical theory is combined with design and modelling. Readers will gain understanding of fundamental concepts and modern advances of ice mechanics and ice failure processes, analysis of field data, and use of probabilistic design methods, with applications to the interaction of ships and offshore structures with thick ice features or icebergs. The book highlights the use of viscoelastic theory, including nonlinearity with stress and the effects of microstructural change, in the mechanics of ice failure and fracture. The methods of design focus on risk analysis, with emphasis on rational limit-state principles and safety. Full discussion of historical discoveries and modern advances – including Hans Island, Molikpak, and others – support up-to-date methods and models to make this an ideal resource for designers and researchers.
Book Synopsis IUTAM Symposium on Physics and Mechanics of Sea Ice by : Jukka Tuhkuri
Download or read book IUTAM Symposium on Physics and Mechanics of Sea Ice written by Jukka Tuhkuri and published by Springer Nature. This book was released on 2022-01-01 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the results of the IUTAM Symposium on Physics and Mechanics of Sea Ice which brought together researchers who have made significant contributions in the study of sea ice. The topics include: Fracture of ice, Thermodynamics of sea ice ridges, Global and local ice loads on ships and marine structures, Computational ice engineering and ice mechanics; and Physical and engineering problems related to ice and waves.
Book Synopsis Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering by :
Download or read book Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering written by and published by . This book was released on 1995 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Energy Resources Technology by :
Download or read book Journal of Energy Resources Technology written by and published by . This book was released on 1985 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the ... International Offshore Mechanics and Arctic Engineering Symposium by :
Download or read book Proceedings of the ... International Offshore Mechanics and Arctic Engineering Symposium written by and published by . This book was released on 1986 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Fourth International Offshore Mechanics and Arctic Engineering Symposium by : Jin S. Chung
Download or read book Proceedings of the Fourth International Offshore Mechanics and Arctic Engineering Symposium written by Jin S. Chung and published by . This book was released on 1985 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: 170 papers from 20 countries under the headings: Deepwater structures; Advances in offshore structure construction techniques and operations; Wave-structure-soil interactions; Fatigue and structural mechanics; Offshore loading and control; Riser mechanics and mooring systems; Submarine pipelines; Ocean energy.
Book Synopsis VIIth Symposium on the Physics and Chemistry of Ice by :
Download or read book VIIth Symposium on the Physics and Chemistry of Ice written by and published by . This book was released on 1987 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ice Mechanics, 1993 by : J. P. Dempsey
Download or read book Ice Mechanics, 1993 written by J. P. Dempsey and published by . This book was released on 1993 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CRREL Technical Publications by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1990 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Eighth International Conference on Offshore Mechanics and Arctic Engineering, 1989: Arctic and polar technology by :
Download or read book Proceedings of the Eighth International Conference on Offshore Mechanics and Arctic Engineering, 1989: Arctic and polar technology written by and published by . This book was released on 1989 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ice Technology for Polar Operations by : T. K. S. Murthy
Download or read book Ice Technology for Polar Operations written by T. K. S. Murthy and published by Computational Mechanics. This book was released on 1990 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers from a conference on ice in the Arctic Ocean, including ice and wave dynamics, ice modelling, environmental aspects, vessels in ice, offshore structures in ice, ship operations, remote sensing, ice forecasting and ice acoustics. Papers deal with ice in the Arctic Ocean, shipping along the north coast of Siberta and the operation in ice of the ice-breaker Polar Sea.
Book Synopsis Journal of Offshore Mechanics and Arctic Engineering by :
Download or read book Journal of Offshore Mechanics and Arctic Engineering written by and published by . This book was released on 1988 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
