Adaptive boundary layer meshing for viscous flow simulations. - Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard; Charles A. Taylor; Mark W. Beall (Eng. Comput., 2008)

Subdomain communication to increase scalability in large-scale scientific applications. - Aleksandr Ovcharenko; Onkar Sahni; Christopher D. Carothers; Kenneth E. Jansen; Mark S. Shephard (ICS, 2009)

Scalable implicit finite element solver for massively parallel processing with demonstration to 160K cores. - Onkar Sahni; Min Zhou; Mark S. Shephard; Kenneth E. Jansen (SC, 2009)

Automated adaptive cardiovascular flow simulations. - Onkar Sahni; Kenneth E. Jansen; Charles A. Taylor; Mark S. Shephard (Eng. Comput., 2009)

Strong scaling analysis of a parallel, unstructured, implicit solver and the influence of the operating system interference. - Onkar Sahni; Christopher D. Carothers; Mark S. Shephard; Kenneth E. Jansen (Sci. Program., 2009)

Low-order nonlinear models for active flow control of a low L/D inlet duct. - Xiaoqing Ge; William Gressick; John T. Wen; Onkar Sahni; Kenneth E. Jansen (ACC, 2010)

Scalable parallel I/O alternatives for massively parallel partitioned solver systems. - Jing Fu 002; Ning Liu 008; Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard; Christopher D. Carothers (IPDPS Workshops, 2010)

Massively Parallel I/O for Partitioned Solver Systems. - Ning Liu 008; Jing Fu 002; Christopher D. Carothers; Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard (Parallel Process. Lett., 2010)

Controlling Unstructured Mesh Partitions for Massively Parallel Simulations. - Min Zhou; Onkar Sahni; Karen D. Devine; Mark S. Shephard; Kenneth E. Jansen (SIAM J. Sci. Comput., 2010)

Adjacency-based data reordering algorithm for acceleration of finite element computations. - Min Zhou; Onkar Sahni; Mark S. Shephard; Christopher D. Carothers; Kenneth E. Jansen (Sci. Program., 2010)

Electronic poster: co-visualization of full data and in situ data extracts from unstructured grid cfd at 160k cores. - Michel E. Rasquin; Patrick Marion; Venkatram Vishwanath; Benjamin A. Matthews; Mark Hereld; Kenneth E. Jansen; Raymond M. Loy; Andrew C. Bauer; Min Zhou; Onkar Sahni; Jing Fu 002; Ning Liu 008; et al. (SC Companion, 2011)

Parallel Adaptive Boundary Layer Meshing for CFD Analysis. - Aleksandr Ovcharenko; Kedar Chitale; Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard (IMR, 2012)

Tools to support mesh adaptation on massively parallel computers. - Min Zhou; Ting Xie; E. Seegyoung Seol; Mark S. Shephard; Onkar Sahni; Kenneth E. Jansen (Eng. Comput., 2012)

Neighborhood communication paradigm to increase scalability in large-scale dynamic scientific applications. - Aleksandr Ovcharenko; Daniel Ibanez; Fabien Delalondre; Onkar Sahni; Kenneth E. Jansen; Christopher D. Carothers; Mark S. Shephard (Parallel Comput., 2012)

Unstructured mesh partition improvement for implicit finite element at extreme scale. - Min Zhou; Onkar Sahni; Ting Xie; Mark S. Shephard; Kenneth E. Jansen (J. Supercomput., 2012)

Adjoint consistency analysis of residual-based variational multiscale methods. - Jason E. Hicken; J. Li; Onkar Sahni; Assad A. Oberai (J. Comput. Phys., 2013)

Scalable Implicit Flow Solver for Realistic Wing Simulations with Flow Control. - Michel E. Rasquin; Cameron W. Smith; Kedar Chitale; E. Seegyoung Seol; Benjamin A. Matthews; Jeffrey L. Martin; Onkar Sahni; Raymond M. Loy; Mark S. Shephard; Kenneth E. Jansen (Comput. Sci. Eng., 2014)

Variational Multiscale Analysis: The Fine-Scale Green's Function for Stochastic Partial Differential Equations. - Jayanth Jagalur-Mohan; Onkar Sahni; Alireza Doostan; Assad A. Oberai (SIAM/ASA J. Uncertain. Quantification, 2014)

Enabling HPC simulation workflows for complex industrial flow problems. - Cameron W. Smith; Steven Tran; Onkar Sahni; Farhad Behafarid; Mark S. Shephard; Raminderjeet Singh (XSEDE, 2015)

In-memory Integration of Existing Software Components for Parallel Adaptive Unstructured Mesh Workflows. - Cameron W. Smith; Brian Granzow; Dan Ibanez; Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard (XSEDE, 2016)

Hammerstein-Wiener based reduced-order model for vortex-induced non-linear fluid-structure interaction. - Daniele Gallardo; Onkar Sahni; Riccardo Bevilacqua (Eng. Comput., 2017)

Parallel anisotropic mesh adaptation with boundary layers for automated viscous flow simulations. - Onkar Sahni; Aleksandr Ovcharenko; Kedar Chitale; Kenneth E. Jansen; Mark S. Shephard (Eng. Comput., 2017)

In-memory integration of existing software components for parallel adaptive unstructured mesh workflows. - Cameron W. Smith; Brian Granzow; Gerrett Diamond; Daniel Ibanez; Onkar Sahni; Kenneth E. Jansen; Mark S. Shephard (Concurr. Comput. Pract. Exp., 2018)

A locally discontinuous ALE finite element formulation for compressible phase change problems. - Yu Zhang; Anirban Chandra; Fan Yang; Ehsan Shams; Onkar Sahni; Mark S. Shephard; Assad A. Oberai (J. Comput. Phys., 2019)

CRIMSON: An open-source software framework for cardiovascular integrated modelling and simulation. - Christopher J. Arthurs; Rostislav Khlebnikov; Alex Melville; Marija Marcan; Alberto Gómez 002; Desmond Dillon-Murphy; Federica Cuomo; Miguel Silva Vieira; Jonas Schollenberger; Sabrina R. Lynch; Christopher Tossas-Betancourt; Kritika Iyer; et al. (PLoS Comput. Biol., 2021)

A parallel interface tracking approach for evolving geometry problems. - Fan Yang; Anirban Chandra; Yu Zhang; Saurabh Tendulkar; Rocco Nastasia; Assad A. Oberai; Mark S. Shephard; Onkar Sahni (Eng. Comput., 2022)

hPIC2: A hardware-accelerated, hybrid particle-in-cell code for dynamic plasma-material interactions. - Logan T. Meredith; M. Rezazadeh; Md Fazlul Huq; Jon. T. Drobny; Vignesh V. Srinivasaragavan; Onkar Sahni; Davide Curreli (Comput. Phys. Commun., 2023)

A 3D unstructured mesh based particle tracking code for impurity transport simulation in fusion tokamaks. - Dhyanjyoti D. Nath; Vignesh V. Srinivasaragavan; Timothy Reed Younkin; Gerrett Diamond; Cameron W. Smith; Alyssa Hayes; Mark S. Shephard; Onkar Sahni (Comput. Phys. Commun., 2023)

Unstructured mesh tools for magnetically confined fusion system simulations. - Mark S. Shephard; Jacob S. Merson; Onkar Sahni; Angel E. Castillo; Aditya Y. Joshi; Dhyanjyoti D. Nath; Usman Riaz; E. Seegyoung Seol; Cameron W. Smith; Chonglin Zhang; Mark W. Beall; Ottmar Klaas; et al. (Eng. Comput., 2024)

A block-structured nonuniform meshing technique for reducing the degrees-of-freedom in hybrid particle-in-cell plasma simulations. - Md Fazlul Huq; Vignesh V. Srinivasaragavan; Onkar Sahni; Davide Curreli (Comput. Phys. Commun., 2025)