| NSF Org: |
OAC Office of Advanced Cyberinfrastructure (OAC) |
| Recipient: |
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| Initial Amendment Date: | July 11, 2016 |
| Latest Amendment Date: | July 8, 2019 |
| Award Number: | 1550436 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Amy Walton
awalton@nsf.gov (703)292-4538 OAC Office of Advanced Cyberinfrastructure (OAC) CSE Directorate for Computer and Information Science and Engineering |
| Start Date: | July 1, 2016 |
| End Date: | June 30, 2021 (Estimated) |
| Total Intended Award Amount: | $437,521.00 |
| Total Awarded Amount to Date: | $437,521.00 |
| Funds Obligated to Date: |
FY 2017 = $72,920.00 FY 2018 = $72,920.00 FY 2019 = $72,920.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
1 LOMB MEMORIAL DR ROCHESTER NY US 14623-5603 (585)475-7987 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
NY US 14623-5603 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): |
COMPUTATIONAL PHYSICS, Software Institutes |
| Primary Program Source: |
01001718DB NSF RESEARCH & RELATED ACTIVIT 01001819DB NSF RESEARCH & RELATED ACTIVIT 01001920DB NSF RESEARCH & RELATED ACTIVIT |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.070 |
ABSTRACT
A new astronomy has arrived with the recent detection of gravitational waves. Modeling of sources of gravitational radiation is more than ever a critical necessity in order to interpret the observations. The project Einstein Toolkit has as overarching mission to provide the scientific community with a sustainable software platform of core computational tools for research focused on astrophysical systems endowed with complex multi-scale/multi-physics properties which are governed by Einstein's equations of General Relativity. The central premise of the project Einstein Toolkit is to create a broad and vibrant community of users, a community where interdisciplinary collaborations are the norm and not the exception, a community driving advances in the next generation of high-performance computing cyberinfrastructure. The main objectives of the project Einstein Toolkit are: developing software tools for a radical increase in scientific productivity, achieving sustainability of the software ecosystem, addressing software engineering challenges, and the curation of data from general relativistic numerical simulations.
This project will achieve its goals through two major activity areas. Regarding the software ecosystem and its sustainability, the scheduler that handles the flow of tasks in a problem will be redesigned to be more versatile and to improve its performance. In addition new software modules will be developed to broaden the choices of initial data and matter sources, as well as modules for problems requiring a high degree of experimentation with equations and numerical methodologies. A new general relativistic magneto-hydrodynamics code will also be integrated in the Einstein Toolkit. The second activity area involves building a simulation data repository. The repository will allows user to compare results, contribute data, test innovative ideas and algorithms for gravitational wave data analysis, and to explore or discover new phenomena in sources of gravitational radiation. The broader impact effort in the project Einstein Toolkit will be organized in two major activity areas. The first involves community integration. The project will support a program of ease-of-use on-line tutorials and a workshops/tutorial series. The program will help small groups or individual investigators familiarizing with the codes and modules in the toolkit as well as pathways to become a developer. Regarding outreach and education, the project Einstein Toolkit will enable interdisciplinary training of students and postdocs in numerical relativity, computational astrophysics and computer science. The effort will includes developing a teaching resources bank for educational activities involving computational topics applied to gravitational physics and astrophysics. The educational resources will be suitable for computational courses in general relativity and astrophysics at both the graduate and undergraduate level.
This project is supported by the Division of Advanced Cyberinfrastructure in the Directorate for Computer & Information Science & Engineering and the Physics Division in the Directorate of Mathematical and Physical Sciences.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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PROJECT OUTCOMES REPORT
Disclaimer
This Project Outcomes Report for the General Public is displayed verbatim as submitted by the Principal Investigator (PI) for this award. Any opinions, findings, and conclusions or recommendations expressed in this Report are those of the PI and do not necessarily reflect the views of the National Science Foundation; NSF has not approved or endorsed its content.
This grant is part of a large collaborative effort supported by the NSF to develop of the Einstein Toolkit (einsteintoolkit.org). At RIT, the grant supported the development of a new GRMHD code, SphericalNR, which implements the Einstein-Magnetohydrodynamics equations in curvilinear coordinates. In addition, a new catalog of binary neutron star data was created and distributed with support from this grant. The catalog can be accessed through the collaborative porta: https://compact-binaries.org
SphericalNR includes a novel filtering technique to ameliorate the often severe Courant time limitation associated with numerical evolutions in spherical coordinates. It also includes a higher-order vector potential formalism for the the evolution of the magnetic field. The attached figure shows a snapshot of the evolution of a bar-mode unstable neutron star, as well as the waveform from a distorted black hole.
A postdoctoral researcher and a graduate student were supported via this grant at RIT. In addition, this grant supported undergraduate student researchers in an REU program on multimessenger astrophysics at RIT, and a new course on high-performance computing at RIT was developed that made extensive use of the tookit.
Each year, the Einstein Toolkit consortium holds a workshop and school for new users. At RIT, this workshop and school was held in Summer 2019. The workshop was held in person at RIT and broadcast over bluejeans to an international audience.
Last Modified: 08/01/2021
Modified by: Manuela Campanelli
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