The Formation of Galaxies and Large-Scale Structure
星系的形成和大尺度结构
基本信息
- 批准号:9318185
- 负责人:
- 金额:$ 342.21万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1993
- 资助国家:美国
- 起止时间:1993-09-01 至 1998-11-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Ostriker 9318185 The Grand Challenge Application Groups competition provides one mechanism for the support of multidisciplinary teams of scientists and engineers to meet the goals of the High Performance Computing and Communications (HPCC) Initiative in Fiscal Year 1993. The ideal proposal provided not only the opportunity to achieve significant progress on (1) a fundamental problem in science or engineering whose solution could be advanced by applying high performance computing techniques and resources, or (2) enabling technologies which facilitate those advances, but also significant interactions between scientific and computational activities, usually involving mathematical, computer or computational scientist, that would have impact in high performance computational activities beyond the specific scientific or engineering problem area(s) or discipline being studied. This project brings together a balanced, critical mass team of astrophysicists, computational scientists and computer scientists, as well as the technical resources of two NSF supercomputing centers, to mount a focused attack on what is presently one of the most exciting and fundamental problems in the physical sciences: "What is the origin of large-scale structure in the universe and how do galaxies form?" There is abundant observational data sufficient knowledge of the physical laws and mathematical techniques required to understand the origin and evolution of cosmic structure. Yet, it is difficult to confront theory with observation in detail owing to the inherent complexity of these systems and the difficulty of simulating multiple length-scale interactions. However, recent developments in multiscale numerical algorithms by members of our Grand Challenge Application Group (GCAG) and their efficient implementation on scaleable parallel supercomputers should enable the investigators to overcome these limitations. The GCAG will explore the use of: (i) different numerical algorithms (grid-based, particle-based, and hybrid ( grid+particle) to solve the physical equations governing gas, radiation, dark matter and gravity in an expanding universe; (ii) different adaptation strategies (adaptive mesh refinement, hierarchical tree) to achieve efficient, multiscale solvers capable of resolving length scales of interest over 4-6 orders of magnitude; (iii) different programming models (data parallel, SPMD, object parallel) to express these complex, adaptive algorithms in an efficient and portable way on different parallel architectures (TMC's CM5, Intel PARAGON, Cray T3D, Convex MPP) available to the investigators; and (iv) new software technology (e.g. pC++) to develop compilers, optimization designs and performance analysis tools which allow the most efficient implementation of the above strategies in order to expose the various computational and computer science issues required to construct a portable, scaleable application for teraflop systems expected later in this decade. This unique numerical laboratory-will allow the investigators to compare theories of the origin of large-scale structure with the observed universe, to discard incorrect models and hopefully to determine the elements of a viable theory. This HPCC Grand Challenge will be extremely data and UO intensive, pushing current hardware and software systems and solutions to and beyond their limits. The investigators will work with staffs of the Pittsburgh and Illinois supercomputer centers as well as the computer vendors to develop practical and efficient strategies for the storage, visualization and analysis of massive numerical data sets of use to this and other HPCC applications. This award is being supported by the Advanced Projects Research Agency as well as NSF programs in astronomy and computer sciences.
Ostriker 9318185 大挑战应用组竞赛为支持科学家和工程师的多学科团队提供了一种机制,以实现1993财政年度高性能计算和通信(HPCC)倡议的目标。理想的提案不仅提供了在以下方面取得重大进展的机会:(1)科学或工程中的一个基本问题,其解决方案可以通过应用高性能计算技术和资源来推进,或(2)促进这些进步的技术,而且还提供了科学和计算活动之间的重要互动,通常涉及数学,计算机或计算科学家,这将对高性能计算活动产生影响,超出正在研究的特定科学或工程问题领域或学科。该项目汇集了一个平衡的,临界质量的天体物理学家,计算科学家和计算机科学家团队,以及两个NSF超级计算中心的技术资源,对目前物理科学中最令人兴奋和最基本的问题之一进行集中攻击:“宇宙中大尺度结构的起源是什么?星系是如何形成的?”“有丰富的观测数据,对理解宇宙结构的起源和演变所需的物理定律和数学技术有足够的了解。然而,由于这些系统固有的复杂性和模拟多个长度-尺度相互作用的困难,很难将理论与观察详细地结合起来。然而,我们的大挑战应用组(GCAG)的成员在多尺度数值算法的最新进展及其在可扩展并行超级计算机上的有效实现,应该使研究人员能够克服这些限制。GCAG将探索使用:(i)不同的数值算法(基于网格、基于粒子和混合(网格+粒子)来求解膨胀宇宙中支配气体、辐射、暗物质和引力的物理方程;(二)不同的适应策略(自适应网格细化,层次树)实现高效,多尺度解算器,能够分辨超过4-6个数量级的感兴趣的长度尺度; ㈢不同的方案拟订模式(数据并行,SPMD,对象并行)来在不同的并行体系结构上以高效和可移植的方式表达这些复杂的自适应算法(TMC的CM5、Intel PARAGON、Cray T3D、Convex MPP);及(iv)新软件技术(例如pC++)来开发编译器、优化设计和性能分析工具,其允许最有效地实现上述策略,以便暴露构造便携式、可移植的、预计在本世纪末将可用于万亿次系统的可扩展应用。这个独特的数值实验室将允许研究人员将大尺度结构的起源理论与观测到的宇宙进行比较,丢弃不正确的模型,并希望确定可行理论的要素。HPCC Grand Challenge将是数据和UO密集型的,推动当前的硬件和软件系统和解决方案达到并超越其极限。研究人员将与匹兹堡和伊利诺伊州超级计算机中心的工作人员以及计算机供应商合作,开发实用和有效的策略,用于存储,可视化和分析用于此和其他HPCC应用的大量数值数据集。该奖项得到了高级项目研究局以及NSF天文学和计算机科学项目的支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
数据更新时间:{{ journalArticles.updateTime }}
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Jeremiah Ostriker其他文献
Jeremiah Ostriker的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Jeremiah Ostriker', 18)}}的其他基金
Collaborative Research: Toward Petascale Simulations of Early Cosmic Evolution
合作研究:早期宇宙演化的千万亿次模拟
- 批准号:
0707505 - 财政年份:2007
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
Hydro and Stellar-Dynamical Processes in Dense Stellar Systems
致密恒星系统中的水力和恒星动力学过程
- 批准号:
9424416 - 财政年份:1995
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
Integrating High Performance Computing into Research: Computational Fluid Dynamics in Engineering and Astrophysics
将高性能计算融入研究:工程和天体物理学中的计算流体动力学
- 批准号:
9354937 - 财政年份:1994
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
Acquisition of a High Performance, Massively Parallel Computer for Hydrodynamical Applications
采购用于流体动力学应用的高性能、大规模并行计算机
- 批准号:
9413515 - 财政年份:1994
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
U.S.-Japan Cooperative Research: Physical Processes in Galaxy and Large Scale Structure Formation
美日合作研究:星系物理过程和大尺度结构形成
- 批准号:
9116745 - 财政年份:1992
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
Hydrodynamical Processes in High Energy Astrophysics
高能天体物理学中的流体动力学过程
- 批准号:
9108103 - 财政年份:1991
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
A Mini-Supercomputer for Astrophysical Research
用于天体物理研究的迷你超级计算机
- 批准号:
9020863 - 财政年份:1991
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
Hydrodynamical Processes in High Energy Astrophysics
高能天体物理学中的流体动力学过程
- 批准号:
9006958 - 财政年份:1990
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
Hydrodynamical Processes in High Energy Astrophysics
高能天体物理学中的流体动力学过程
- 批准号:
8615845 - 财政年份:1987
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
Hydrodynamical Processes in High Energy Astrophysics
高能天体物理学中的流体动力学过程
- 批准号:
8317118 - 财政年份:1984
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
相似国自然基金
Understanding structural evolution of galaxies with machine learning
- 批准号:n/a
- 批准年份:2022
- 资助金额:10.0 万元
- 项目类别:省市级项目
S3AGA样本(Spitzer-SDSS Spectral Atlas of Galaxies and AGNs)及其AGN研究
- 批准号:11473055
- 批准年份:2014
- 资助金额:95.0 万元
- 项目类别:面上项目
相似海外基金
Variety of star formation in barred spiral galaxies based on the large-scale molecular-gas imaging survey of nearby galaxies
基于邻近星系大规模分子气体成像调查的棒旋星系中恒星形成的多样性
- 批准号:
17K14251 - 财政年份:2017
- 资助金额:
$ 342.21万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
probing mechanism of quenching of star formation in massive galaxies with a large survey for strong emission-line emitters
通过对强发射线发射体的大规模调查来探索大质量星系中恒星形成猝灭的机制
- 批准号:
17K05386 - 财政年份:2017
- 资助金额:
$ 342.21万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Unveiling the Obscured Formation of Stars and Galaxies: Large-Scale Legacy Surveys with a New Three Color Imaging Polarimeter on a 50-m Millimeter-Wave Telescope
揭示恒星和星系的模糊形成:使用 50 米毫米波望远镜上的新型三色成像旋光仪进行大规模传统巡天
- 批准号:
1636621 - 财政年份:2016
- 资助金额:
$ 342.21万 - 项目类别:
Continuing Grant
The 3D large-scale structure and star formation history of high-z galaxies revealed by Subaru Hyper Suprime-Cam
Subaru Hyper Suprime-Cam 揭示高 z 星系的 3D 大尺度结构和恒星形成历史
- 批准号:
26707006 - 财政年份:2014
- 资助金额:
$ 342.21万 - 项目类别:
Grant-in-Aid for Young Scientists (A)
Collaborative Research: Star Formation, Feedback, and the ISM: Time-Resolved Constraints from a Large VLA Survey of Nearby Galaxies
合作研究:恒星形成、反馈和 ISM:来自附近星系大型 VLA 巡天的时间分辨约束
- 批准号:
0807515 - 财政年份:2008
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
Collaborative Research: Star Formation, Feedback, and the ISM: Time-Resolved Constraints from a Large VLA Survey of Nearby Galaxies
合作研究:恒星形成、反馈和 ISM:来自附近星系的大型 VLA 巡天的时间分辨约束
- 批准号:
0807710 - 财政年份:2008
- 资助金额:
$ 342.21万 - 项目类别:
Standard Grant
The relationship between the formation of galaxies and large-scale structures
星系的形成与大尺度结构的关系
- 批准号:
PP/E005306/1 - 财政年份:2007
- 资助金额:
$ 342.21万 - 项目类别:
Fellowship
Large-Scale Structure Formation in the Local Universe: Constraints from Extended Radio Emission in Clusters of Galaxies
本地宇宙中的大规模结构形成:星系团中扩展无线电发射的约束
- 批准号:
5447445 - 财政年份:2005
- 资助金额:
$ 342.21万 - 项目类别:
Priority Programmes
Study on the formation and evolution of galaxies by Large-scale numerical simulations on special-purpose computers.
通过专用计算机大规模数值模拟研究星系的形成和演化。
- 批准号:
13440058 - 财政年份:2001
- 资助金额:
$ 342.21万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
The formation and evolution of galaxies and large scale structure
星系的形成、演化和大尺度结构
- 批准号:
106005-1997 - 财政年份:2000
- 资助金额:
$ 342.21万 - 项目类别:
Discovery Grants Program - Individual