no code implementations • 15 Mar 2023 • Lele Luan, Nesar Ramachandra, Sandipp Krishnan Ravi, Anindya Bhaduri, Piyush Pandita, Prasanna Balaprakash, Mihai Anitescu, Changjie Sun, Liping Wang
Modern computational methods, involving highly sophisticated mathematical formulations, enable several tasks like modeling complex physical phenomenon, predicting key properties and design optimization.
no code implementations • 5 Aug 2022 • Thomas Y. Chen, Biprateep Dey, Aishik Ghosh, Michael Kagan, Brian Nord, Nesar Ramachandra
Estimating uncertainty is at the core of performing scientific measurements in HEP: a measurement is not useful without an estimate of its uncertainty.
1 code implementation • 3 Jan 2021 • Kai Fukami, Romit Maulik, Nesar Ramachandra, Koji Fukagata, Kunihiko Taira
This reconstruction problem is especially difficult when sensors are sparsely positioned in a seemingly random or unorganized manner, which is often encountered in a range of scientific and engineering problems.
no code implementations • 8 Oct 2020 • Yuyu Wang, Nesar Ramachandra, Edgar M. Salazar-Canizales, Hume A. Feldman, Richard Watkins, Klaus Dolag
The Sunyaev-Zel'dolvich (SZ) effect is expected to be instrumental in measuring velocities of distant clusters in near future telescope surveys.
Cosmology and Nongalactic Astrophysics
no code implementations • 24 Sep 2020 • Ting-Yun Cheng, Marc Huertas-Company, Christopher J. Conselice, Alfonso Aragón-Salamanca, Brant E. Robertson, Nesar Ramachandra
Based on this, the main result in this work is how well our unsupervised method matches visual classifications and physical properties, as well as providing an independent classification that is more physically meaningful than any visually based ones.
Astrophysics of Galaxies
no code implementations • 23 Jul 2020 • Romit Maulik, Themistoklis Botsas, Nesar Ramachandra, Lachlan Robert Mason, Indranil Pan
We assess the viability of this algorithm for an advection-dominated system given by the inviscid shallow water equations.
1 code implementation • 8 May 2020 • Romit Maulik, Kai Fukami, Nesar Ramachandra, Koji Fukagata, Kunihiko Taira
We consider the use of probabilistic neural networks for fluid flow surrogate modeling and data recovery.
Fluid Dynamics
no code implementations • 10 Nov 2019 • Sandeep Madireddy, Nesar Ramachandra, Nan Li, James Butler, Prasanna Balaprakash, Salman Habib, Katrin Heitmann, The LSST Dark Energy Science Collaboration
Upcoming large astronomical surveys are expected to capture an unprecedented number of strong gravitational lensing systems.