Operational capabilities of low and non-ice-class vessels in ice

为了应对人们对低冰级和非冰级船舶在开放浮冰及其附近的作战能力日益增长的兴趣，加拿大国防研究与发展公司（DRDC）、瓦德海事公司（Vard Marine Inc.）和美国船船局（ABS）已同意与纽芬兰纪念大学（MUN）和纽芬兰与拉布拉多研究与发展公司合作进行研究。这项研究将解决现有工程船体评估和船舶操作指导工具应用于低冰级和非冰级船舶（如军舰或海上NL商船）所需的基本知识差距。将同时开展四个互补的研究流：(1)退役的HMCS IROQUOIS格架、这些格架的新副本和新概念格架的全尺寸冰锥撞击实验；(2)新、用CSA G40.21 260 WT钢（相当于常用的A36造船用钢）的材料“断裂轨迹”表征；(3)船冰冲击相关有限元（FE）和事件力学模拟工具的开发和增强；(4)开发和加强对低冰级和非冰级船舶进行评估和操作指导的先进工程工具。这项研究的结果将：允许加拿大皇家海军（RCN）确定其军舰在冰出没水域的作战能力，从而使他们能够更好地履行其在北部水域（包括北冰洋）开展行动（包括搜索和救援）的任务；促进Vard在国内和国际上的运营和竞争力，扩大其服务范围并提高其获得新的国际船舶设计合同的可能性；提高ABS对在加拿大结冰水域（如纽芬兰和拉布拉多近海、圣劳伦斯海道和哈德逊湾）作业的加拿大和国际旗帜船舶进行分类的能力，从而降低船舶在北部作业的风险，并提供更大的增加航运的可能性；开发可商业化的新技术；并提升加拿大在北极科技领域的世界领先地位。

In response to growing interest in the operational capabilities of low- and non-ice class ships in and near open pack ice, Defence Research and Development Canada (DRDC), Vard Marine Inc. and the American Bureau of Shipping (ABS) have agreed to collaborate on research with Memorial University of Newfoundland (MUN) and Research and Development Corporation Newfoundland & Labrador. This research will address the fundamental knowledge gaps needed to allow existing engineering hull assessment and ship operational guidance tools to be applied to low- and non-ice-class vessels (such as warships or commercial vessels offshore NL). Four simultaneous and complementary streams of research will be carried out: (1) full-scale ice-cone impact experiments on decommissioned HMCS IROQUOIS grillages, new copies of those grillages, and on new concept grillages; (2) material "fracture locus" characterisation of new and used CSA G40.21 260 WT steel (equivalent to the common A36 shipbuilding steel), (3) development and enhancement of ship-ice impact\ related finite element (FE) and event mechanics simulation tools; and (4) development and enhancement of advanced engineering tools for the assessment and operational guidance of low- and non-ice-class vessels in ice. The results of this research will: allow the Royal Canadian Navy (RCN) to ascertain the operational capabilities of their warships in ice-infested waters, thus enabling them to better fulfill their mandate to conduct operations (including search and rescue) in northern waters, up to and including the Arctic Ocean; contribute to the operations and competitiveness of Vard nationally and internationally, enhancing their range of services and improving their likelihood of obtaining new international ship design contracts; improve ABS's ability to class Canadian and internationally flagged ships that operate in Canadian ice-infested waters (e.g.offshoe Newfoundland and Labrador, the St. Lawrence seaway, and Hudson Bay), thereby de-risking ship operations in**the North and providing greater probability of increased shipping; develop new technologies that may be commercialized; and enhance Canada's existing reputation as a world leader in Arctic Technology.