CBMS Conference: Algorithms for solving elliptic PDEs on modern computers---fast direct solvers, randomized methods, and high order discretizations,

CBMS 会议:在现代计算机上求解椭圆偏微分方程的算法——快速直接求解器、随机方法和高阶离散化,

基本信息

  • 批准号:
    1347163
  • 负责人:
  • 金额:
    $ 3.8万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-03-01 至 2015-02-28
  • 项目状态:
    已结题

项目摘要

The award supports an NSF/CBMS regional conference that will be held at Dartmouth College in June of 2014 on the topic of so called "fast methods" for numerically solving linear partial differential equations (PDEs). This field of research has recently seen very rapid progress, and the purpose of the conference is to introduce recent results to junior researchers, and to engage them with current research. In particular, the conference will describe (1) new "direct" (as opposed to "iterative") solvers that in a single sweep construct an approximate solution to the equation under consideration, (2) new randomized methods for accelerating certain linear algebraic computations, and (3) the interplay between direct solvers and high-order discretization techniques that allow the solution of PDEs to ten digits of accuracy or more, even on complicated geometries.The broader motivation for the research to be discussed during the conference is the growing importance of computational simulations of physical phenomena in science and engineering. The ability to perform rapid virtual experiments rather than real (expensive) ones is a key driver of technological progress. While more powerful computers are important, development of efficient numerical algorithms that run well on modern hardware is equally crucial. The CBMS conference supported will disseminate knowledge about newly developed powerful algorithms that are designed from the ground up to minimize communication, which is emerging as the most important computational bottleneck. The conference will in addition to traditional lectures also give participants an opportunity for hands-on computational experimentation using tutorial style software. The lectures will be recorded and will be posted online along with the lecture slides, and the tutorial software. A monograph will be produced to create an integrated set of resources that will maximize the impact and reach of the conference. This project will be jointly supported by the Infrastructure Program and the Computational Mathematics Program within the Division of Mathematical Sciences.
该奖项支持将于2014年6月在达特茅斯学院举行的NSF/CBMS区域会议,主题是数值求解线性偏微分方程(PDE)的所谓“快速方法”。这一研究领域最近取得了非常迅速的进展,会议的目的是向初级研究人员介绍最新成果,并使他们参与当前的研究。特别是,会议将描述(1)新的“直接”(与“迭代”相反)求解器,其在单次扫描中构造所考虑的方程的近似解,(2)用于加速某些线性代数计算的新随机方法,以及(3)直接求解器和高阶离散化技术之间的相互作用,其允许PDE的解达到十位数或更高的精度,会议期间讨论的研究的更广泛的动机是科学和工程中物理现象的计算模拟的重要性日益增加。能够进行快速虚拟实验而不是真实的(昂贵的)实验是技术进步的关键驱动力。虽然更强大的计算机很重要,但开发在现代硬件上运行良好的高效数值算法也同样重要。支持的CBMS会议将传播有关新开发的强大算法的知识,这些算法是从头开始设计的,以最大限度地减少通信,这是最重要的计算瓶颈。除了传统的讲座外,会议还将为与会者提供使用教程式软件进行动手计算实验的机会。课程将被录制下来,并与课程幻灯片和教程软件一起沿着在网上。将编写一本专著,以建立一套综合资源,最大限度地扩大会议的影响和范围。 该项目将由数学科学部的基础设施计划和计算数学计划共同支持。

项目成果

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Alexander Barnett其他文献

Alexander Barnett的其他文献

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{{ truncateString('Alexander Barnett', 18)}}的其他基金

Next-generation integral equation methods for wave scattering and propagation in periodic structures
周期性结构中波散射和传播的下一代积分方程方法
  • 批准号:
    1216656
  • 财政年份:
    2012
  • 资助金额:
    $ 3.8万
  • 项目类别:
    Standard Grant
Efficient spectrally accurate global basis methods for high frequency wave scattering, chaotic eigenmodes, and photonics
适用于高频波散射、混沌本征模和光子学的高效光谱精确全局基础方法
  • 批准号:
    0811005
  • 财政年份:
    2008
  • 资助金额:
    $ 3.8万
  • 项目类别:
    Continuing Grant
High Frequency Cavity Eigenmodes: Rapid Computational Methods, Applications and Asymptotics
高频腔本征模:快速计算方法、应用和渐进
  • 批准号:
    0545044
  • 财政年份:
    2005
  • 资助金额:
    $ 3.8万
  • 项目类别:
    Standard Grant
High Frequency Cavity Eigenmodes: Rapid Computational Methods, Applications and Asymptotics
高频腔本征模:快速计算方法、应用和渐进
  • 批准号:
    0507614
  • 财政年份:
    2005
  • 资助金额:
    $ 3.8万
  • 项目类别:
    Standard Grant

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