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检索条件"机构=Department of Physics and Center for Scientific Computing and Visualization Research"
396 条 记 录,以下是1-10 订阅
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Discontinuous Galerkin Method for Linear Wave Equations Involving Derivatives of the Dirac Delta Distribution  13th
Discontinuous Galerkin Method for Linear Wave Equations Invo...
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13th International Conference on Spectral and High Order Methods, ICOSAHOM 2021
作者: Field, Scott E. Gottlieb, Sigal Khanna, Gaurav McClain, Ed Department of Mathematics Center for Scientific Computing & Visualization Research University of Massachusetts DartmouthMA United States Department of Physics University of Rhode Island KingstonRI United States
Linear wave equations sourced by a dirac delta distribution δ(x) and its derivative(s) can serve as a model for many different phenomena. We describe a discontinuous Galerkin (DG) method to numerically solve such equ... 详细信息
来源: 评论
Toward exponentially-convergent simulations of extreme-mass-ratio inspirals: A time-domain solver for the scalar Teukolsky equation with singular source terms
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Physical Review D 2024年 第10期110卷 104009页
作者: Manas Vishal Scott E. Field Katie Rink Sigal Gottlieb Gaurav Khanna Department of Mathematics Center for Scientific Computing and Data Science Research Department of Physics Center for Gravitational Physics Department of Physics and Center for Computational Research
Gravitational wave signals from extreme mass ratio inspirals are a key target for upcoming, space-based gravitational wave detectors. These systems are typically modeled as a distributionally forced Teukolsky equation... 详细信息
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POSTER: Learning to Parallelize in a Shared-Memory Environment with Transformers  28
POSTER: Learning to Parallelize in a Shared-Memory Environme...
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28th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel Programming, PPoPP 2023
作者: Harel, Re'Em Pinter, Yuval Oren, Gal Department of Computer Science Ben-Gurion University of the Negev Department of Physics Scientific Computing Center Nuclear Research Center Negev Israel Department of Computer Science Ben-Gurion University of the Negev Israel Department of Computer Science Technion - Israel Institute of Technology Scientific Computing Center Nuclear Research Center Negev Israel
In past years, the world has switched to multi and many core shared memory architectures. As a result, there is a growing need to utilize these architectures by introducing shared memory parallelization schemes, such ... 详细信息
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Fast waveform generation for gravitational waves using evolutionary algorithms
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Physical Review D 2024年 第4期110卷 043035页
作者: Quirijn Meijer Sarah Caudill Institute for Gravitational and Subatomic Physics (GRASP) Department of Physics Science Park 105 1098XG Amsterdam The Netherlands Department of Physics Center for Scientific Computing and Data Science Research
Gravitational-wave analyses depend heavily on waveforms that model the evolution of compact binary coalescences as seen by observing detectors. In many cases these waveforms are given by waveform approximants, models ... 详细信息
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Novel signal-consistency test for gravitational-wave searches of generic black hole binaries
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Physical Review D 2024年 第2期110卷 023042-023042页
作者: Stefano Schmidt Sarah Caudill Science Park 105 1098 XG Amsterdam The Netherlands Institute for Gravitational and Subatomic Physics (GRASP) Department of Physics Center for Scientific Computing and Data Science Research
We propose a novel signal-consistency test applicable to a broad search for gravitational waves emitted by generic binary black hole (BBH) systems. The test generalizes the time domain ξ2 signal-consistency test curr... 详细信息
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Surrogate model for gravitational wave signals from comparable and large-mass-ratio black hole binaries
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Physical Review D 2020年 第8期101卷 081502(R)-081502(R)页
作者: Nur E. M. Rifat Scott E. Field Gaurav Khanna Vijay Varma Department of Physics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Mathematics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Theoretical Astrophysics California Institute of Technology Pasadena California 91125 USA
Gravitational wave signals from compact astrophysical sources such as those observed by LIGO and Virgo require a high-accuracy, theory-based waveform model for the analysis of the recorded signal. Current inspiral-mer... 详细信息
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Discontinuous Galerkin method for linear wave equations involving derivatives of the Dirac delta distribution
arXiv
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arXiv 2022年
作者: Field, Scott E. Gottlieb, Sigal Khanna, Gaurav McClain, Ed. Department of Mathematics Center for Scientific Computing & Visualization Research University of Massachusetts DartmouthMA02747 United States Department of Physics Center for Scientific Computing & Visualization Research University of Massachusetts DartmouthMA02747 United States Department of Physics University of Rhode Island KingstonRI02881 United States
Linear wave equations sourced by a Dirac delta distribution δ(x) and its derivative(s) can serve as a model for many different phenomena. We describe a discontinuous Galerkin (DG) method to numerically solve such equ... 详细信息
来源: 评论
Remnant black hole properties from numerical-relativity-informed perturbation theory and implications for waveform modeling
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Physical Review D 2023年 第6期108卷 064048-064048页
作者: Tousif Islam Scott E. Field Gaurav Khanna Department of Physics University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Mathematics University of Massachusetts Dartmouth Massachusetts 02747 USA Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Physics and Center for Computational Research University of Rhode Island Kingston Rhode Island 02881 USA
During binary black hole (BBH) mergers, energy and momenta are carried away from the binary system as gravitational radiation. Access to the radiated energy and momenta allows us to predict the properties of the remna... 详细信息
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Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity
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Physical Review D 2024年 第12期110卷 124069-124069页
作者: Katie Rink Ritesh Bachhar Tousif Islam Nur E. M. Rifat Kevin González-Quesada Scott E. Field Gaurav Khanna Scott A. Hughes Vijay Varma Department of Physics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Physics and Weinberg Institute for Theoretical Physics University of Texas at Austin Austin Texas 78712 USA Department of Physics and Center for Computational Research East Hall University of Rhode Island Kingston Rhode Island 02881 USA Kavli Institute for Theoretical Physics University of California Santa Barbara Kohn Hall Lagoon Road Santa Barbara California 93106 USA Kavli Institute for Theoretical Physics University of California Santa Barbara Santa Barbara California 93106 USA Department of Physics University of Virginia 1827 University Avenue Charlottesville Virginia 22903 USA Department of Physics and Center for Education and Research in Cosmology and Astrophysics (CERCA) Case Western Reserve University Cleveland Ohio 44106 USA Department of Mathematics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Physics Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA
We present BHPTNRSur2dq1e3, a reduced order surrogate model of gravitational waves emitted from binary black hole (BBH) systems in the comparable to large mass ratio regime with aligned spin (χ1) on the heavier mass ...
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Portability and Scalability of OpenMP Offloading on State-of-the-Art Accelerators  38th
Portability and Scalability of OpenMP Offloading on State...
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38th International Conference on High Performance computing, ISC High Performance 2023
作者: Fridman, Yehonatan Tamir, Guy Oren, Gal Department of Computer Science Ben-Gurion University of the Negev Be’er Sheva Israel Department of Physics Nuclear Research Center - Negev Be’er Sheva Israel Scientific Computing Center Nuclear Research Center - Negev Be’er Sheva Israel Intel Corporation Santa Clara United States Department of Computer Science Technion - Israel Institute of Technology Haifa Israel
Over the last decade, most of the increase in computing power has been gained by advances in accelerated many-core architectures, mainly in the form of GPGPUs. While accelerators achieve phenomenal performances in var... 详细信息
来源: 评论