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检索条件"机构=Center for Computing and Visualization"
266 条 记 录,以下是51-60 订阅
排序:
Impact of subdominant modes on the interpretation of gravitational-wave signals from heavy binary black hole systems
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Physical Review D 2020年 第12期101卷 124054-124054页
作者: Feroz H. Shaik Jacob Lange Scott E. Field Richard O’Shaughnessy Vijay Varma Lawrence E. Kidder Harald P. Pfeiffer Daniel Wysocki Department of Physics Department of Mathematics and the Center for Scientific Computing & Visualization Research University of Massachusetts Dartmouth Dartmouth Massachusetts 02747 USA Center for Computational Relativity and Gravitation Rochester Institute of Technology Rochester New York 14623 USA Department of Mathematics and the Center for Scientific Computing & Visualization Research University of Massachusetts Dartmouth Dartmouth Massachusetts 02747 USA Theoretical Astrophysics California Institute of Technology Pasadena California 91125 USA Cornell Center for Astrophysics and Planetary Science Cornell University Ithaca New York 14853 USA Max Planck Institute for Gravitational Physics (Albert Einstein Institute) Am Mühlenberg 1 14476 Potsdam Germany
Over the past year, a handful of new gravitational wave models have been developed to include multiple harmonic modes thereby enabling for the first time fully Bayesian inference studies including higher modes to be p... 详细信息
来源: 评论
A Review of Three-Dimensional Medical Image visualization
健康数据科学(英文)
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健康数据科学(英文) 2022年 第3期 53-71页
作者: Liang Zhou Mengjie Fan Charles Hansen Chris R.Johnson Daniel Weiskopf National Institute of Health Data Science Peking UniversityBeijingChina Scientific Computing and Imaging Institute University of UtahSalt Lake CityUSA Visualization Research Center(VISUS) University of StuttgartStuttgartGermany
*** images are essential for modern medicine and an important research subject in ***,medical experts are often not aware of the many advanced three-dimensional(3D)medical image visualization techniques that could inc... 详细信息
来源: 评论
Gravitational tuning forks and hierarchical triple systems
arXiv
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arXiv 2021年
作者: Cardoso, Vitor Duque, Francisco Khanna, Gaurav CENTRA Departamento de Física Instituto Superior Técnico – IST Universidade de Lisboa – UL Avenida Rovisco Pais 1 Lisboa1049 Portugal Department of Physics Center for Scientific Computing and Visualization Research University of Massachusetts DarthmouthMA02747 United States Department of Physics University of Rhode Island KingstonRI02881 United States
We study gravitational wave (GW) emission in the strong-field regime by a hierarchical triple system composed of a binary system placed in the vicinity of a supermassive black hole (SMBH). The LIGO-Virgo collaboration... 详细信息
来源: 评论
Vortex criteria can be objectivized by unsteadiness minimization
arXiv
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arXiv 2021年
作者: Theisel, Holger Hadwiger, Markus Rautek, Peter Theußl, Thomas Günther, Tobias Department of Computer Science Otto-von-Guericke University of Magdeburg Magdeburg Germany Visual Computing Center King Abdullah University of Science and Technology Thuwal23955-6900 Saudi Arabia Visualization Core Lab King Abdullah University of Science and Technology Thuwal23955-6900 Saudi Arabia Department of Computer Science Friedrich-Alexander-University of Erlangen-Nuremberg Erlangen Germany
Reference frame optimization is a generic framework to calculate a spatially-varying observer field that views an unsteady fluid flow in a reference frame that is as-steady-as-possible. In this paper, we show that the... 详细信息
来源: 评论
Surrogate model for gravitational wave signals from nonspinning, comparable-to large-mass-ratio black hole binaries built on black hole perturbation theory waveforms calibrated to numerical relativity
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Physical Review D 2022年 第10期106卷 104025-104025页
作者: Tousif Islam Scott E. Field Scott A. Hughes Gaurav Khanna Vijay Varma Matthew Giesler Mark A. Scheel Lawrence E. Kidder Harald P. Pfeiffer 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 Kavli Institute of Theoretical Physics University of California Santa Barbara Santa Barbara California 93106 USA Department of Physics and MIT Kavli Institute Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Department of Physics University of Rhode Island Kingston Rhode Island 02881 USA Max Planck Institute for Gravitational Physics (Albert Einstein Institute) Am Mühlenberg 1 Potsdam 14476 Germany Cornell Center for Astrophysics and Planetary Science Cornell University Ithaca New York 14853 USA Theoretical Astrophysics Walter Burke Institute for Theoretical Physics California Institute of Technology Pasadena California 91125 USA
We present a reduced-order surrogate model of gravitational waveforms from nonspinning binary black hole systems with comparable to large mass-ratio configurations. This surrogate model, BHPTNRSur1dq1e4, is trained on... 详细信息
来源: 评论
Overcoming limitations of GPGPU-computing in scientific applications
arXiv
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arXiv 2019年
作者: Kenyon, Connor Volkema, Glenn Khanna, Gaurav Physics Department Center for Scientific Computing and Visualization University of Massachusetts Dartmouth North DartmouthMA02747 United States
The performance of discrete general purpose graphics processing units (GPGPUs) has been improving at a rapid pace. The PCIe interconnect that controls the communication of data between the system host memory and the G... 详细信息
来源: 评论
Basis Function Method for Numerical Loop Quantum Cosmology: The Schwarzschild Black Hole Interior
arXiv
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arXiv 2019年
作者: Yonika, Alec Khanna, Gaurav Department of Physics & Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth North DartmouthMA02747 United States
Loop quantum cosmology is a symmetry-reduced application of loop quantum gravity that has led to the resolution of classical singularities such as the big bang, and those at the center of black holes. This can be seen... 详细信息
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A surrogate model for gravitational wave signals from comparable- to large-mass-ratio black hole binaries
arXiv
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arXiv 2019年
作者: Rifat, Nur E.M. Field, Scott E. Khanna, Gaurav Varma, Vijay Department of Physics and Center for Scientific Computing & Visualization Research University of Massachusetts DartmouthMA02747 United States Department of Mathematics Center for Scientific Computing & Visualization Research University of Massachusetts DartmouthMA02747 United States Theoretical Astrophysics California Institute of Technology PasadenaCA91125 United States
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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Removing degeneracy and multimodality in gravitational wave source parameters
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Physical Review D 2022年 第12期106卷 123015-123015页
作者: Javier Roulet Seth Olsen Jonathan Mushkin Tousif Islam Tejaswi Venumadhav Barak Zackay Matias Zaldarriaga Kavli Institute for Theoretical Physics University of California at Santa Barbara Santa Barbara California 93106 USA Department of Physics Princeton University Princeton New Jersey 08540 USA Department of Particle Physics and Astrophysics Weizmann Institute of Science Rehovot 76100 Israel 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 University of California at Santa Barbara Santa Barbara California 93106 USA International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bangalore 560089 India School of Natural Sciences Institute for Advanced Study 1 Einstein Drive Princeton New Jersey 08540 USA
Quasicircular binary black hole mergers are described by 15 parameters, of which gravitational wave observations can typically constrain only ∼10 independent combinations to varying degree. In this work, we devise co... 详细信息
来源: 评论
Surrogate model for gravitational wave signals from non-spinning, comparable- to large-mass-ratio black hole binaries built on black hole perturbation theory waveforms calibrated to numerical relativity
arXiv
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arXiv 2022年
作者: Islam, Tousif Field, Scott E. Hughes, Scott A. Khanna, Gaurav Varma, Vijay Giesler, Matthew Scheel, Mark A. Kidder, Lawrence E. Pfeiffer, Harald P. Department of Physics University of Massachusetts DartmouthMA02747 United States Department of Mathematics University of Massachusetts DartmouthMA02747 United States Center for Scientific Computing and Visualization Research University of Massachusetts DartmouthMA02747 United States Kavli Institute of Theoretical Physics University of California Santa Barbara Santa BarbaraCA93106 United States Department of Physics MIT Kavli Institute Massachusetts Institute of Technology CambridgeMA02139 United States Department of Physics University of Rhode Island KingstonRI02881 United States Am Mühlenberg 1 Potsdam14476 Germany Cornell Center for Astrophysics and Planetary Science Cornell University IthacaNY14853 United States Theoretical Astrophysics Walter Burke Institute for Theoretical Physics California Institute of Technology PasadenaCA91125 United States
We present a reduced-order surrogate model of gravitational waveforms from non-spinning binary black hole systems with comparable to large mass-ratio configurations. This surrogate model, BHPTNRSur1dq1e4, is trained o... 详细信息
来源: 评论