MRI: Acquisition of an Advanced Computing Cluster for General Relativistic Astrophysics

MRI：获取用于广义相对论天体物理学的高级计算集群

• 批准号: 1229173
• 负责人: Manuela Campanelli
• 金额: $ 29.01万
• 依托单位: Rochester Institute of Tech
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-09-01 至 2015-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1229173&HistoricalAwards=false
• 关键词: MRI; Acquisition; Advanced; Computing; Cluster

This award supports the acquisition of a 600-core, high-speed, large-memory computer cluster, "BlueSky", dedicated to supporting interdisciplinary research at the frontiers of gravitational physics, relativistic astrophysics, advanced high-performance computation, and scientific visualization in the Center for Computational Relativity and Gravitation at the Rochester Institute of Technology. Research will focus on some of the most extreme phenomena in the universe, where the strongest gravitational and magnetic fields interact with ultra-relativistic matter and high-energy radiation, that can only be studied through advanced, large-scale computation and visualization. These includes: (1) calculation of accurate gravitational wave signals from intermediate-mass ratio, highly-spinning black-hole binary inspirals and mergers, (2) the development of a highly accurate General Relativistic Magnetohydrodynamics code (which will be made publicly available through the Einstein Toolkit Consortium) for the modeling of neutron star mergers, accretion disks, and core-collapse supernovae, (3) calculation of electromagnetic signals from merging supermassive black holes at the centers of galaxies. Our research will use the enhanced speed of GPUs to generate fast and accurate hybrid gravitational signatures for LIGO data analysis.Research training will involve students across several programs and colleges at RIT. Visualizations will be used for enhancing the classroom experience of deaf and hard-of-hearing students in RIT's National Technical Institute for the Deaf and out-of-class educational activities. The cluster will be housed in the CCRG "Black-Hole" Lab. The laboratory is cooled using a state-of-the-art, in-rack, green-cooling solution provided by OptiCool Technologies. The laboratory has large glass walls along a high-traffic corridor, making the cluster and its operation highly visible to the public. Seeing "BlueSky" will stimulate interest in the instrument itself, gravitational physics, astrophysics in general, and green technologies.

该奖项支持在罗切斯特理工学院计算相对论和引力中心收购一个600核、高速、大内存计算机集群“蓝天”，致力于支持引力物理、相对论天体物理、先进高性能计算和科学可视化前沿的跨学科研究。研究将集中在宇宙中一些最极端的现象，其中最强的引力和磁场与超相对论物质和高能辐射相互作用，只能通过先进的大规模计算和可视化来研究。这些措施包括：（1）计算来自中等质量比、高自旋黑洞双星螺旋和合并的精确引力波信号，（2）开发高精度的广义相对论磁流体动力学代码（将通过爱因斯坦工具包联盟公开提供），用于中子星星合并、吸积盘和核心坍缩超新星的建模，（3）星系中心超大质量黑洞合并电磁信号的计算。 我们的研究将使用GPU的增强速度来生成用于LIGO数据分析的快速准确的混合引力签名。研究培训将涉及RIT多个项目和学院的学生。可视化将用于增强RIT国家聋人技术学院聋人和听力困难学生的课堂体验和课外教育活动。该集群将被安置在CCRG“黑洞”实验室。实验室使用OptiCool Technologies提供的最先进的机架内绿色冷却解决方案进行冷却。实验室沿着一条交通繁忙的走廊有沿着的大玻璃墙，使集群及其操作对公众高度可见。看到“蓝天”将激发对仪器本身、引力物理学、一般天体物理学和绿色技术的兴趣。

项目成果

Circumbinary Disk Accretion into Spinning Black Hole Binaries

• DOI: 10.3847/1538-4357/abf0af
• 发表时间: 2021-01
• 期刊: The Astrophysical Journal
• 作者: F. L. Lopez Armengol;L. Combi;M. Campanelli;S. Noble;J. Krolik;Dennis B. Bowen;M. Avara;V. Mewes;H. Nakano