59 citations · 118 across the 10 of their papers we have counts for
10 papers
A Wave Appropriate Discontinuity Sensor Approach for Compressible Flows
Amareshwara Sainadh Chamarthi, Natan Hoffmann, Steven Frankel
In this work, we propose a novel selective discontinuity sensor approach for numerical simulations of the compressible Navier-Stokes equations. Since transformation to characterist…
On the Application of Gradient Based Reconstruction for Flow Simulations on Generalized Curvilinear and Dynamic Mesh Domains
Hemanth Chandravamsi, Amareshwara Sainadh Chamarthi, Natan Hoffmann +1
Accurate high-speed flow simulations of practical interest require numerical methods with high-resolution properties. In this paper, we present an extension and demonstration of th…
Orbit equivalences of pseudo-Anosov flows
Thomas Barthelmé, Steven Frankel, Kathryn Mann
We prove a classification theorem for transitive Anosov and pseudo-Anosov flows on closed 3-manifolds, up to orbit equivalence. In many cases, flows on a 3-manifold are complet…
On the role of spectral properties of viscous flux discretization for flow simulations on marginally resolved grids
Amareshwara Sainadh Chamarthi, Hemanth Chandra Vamsi K, Natan Hoffmann +2
In this note, the importance of spectral properties of viscous flux discretization in solving compressible Navier-Stokes equations for turbulent flow simulations is discussed. We s…
On the Importance of High-Frequency Damping in High-Order Conservative Finite-Difference Schemes for Viscous Fluxes
Amareshwara Sainadh Chamarthi, Sean Bokor, Steven H. Frankel
This paper discusses the importance of high-frequency damping in high-order conservative finite-difference schemes for viscous terms in the Navier-Stokes equations. Investigating n…
Implicit gradients based conservative numerical scheme for compressible flows
Amareshwara Sainadh Chamarthi, Natan Hoffmann, Hiroaki Nishikawa +1
This paper introduces a novel approach to compute the numerical fluxes at the cell boundaries for a cell-centered conservative numerical scheme. Explicit gradients used in deriving…
Implicit gradients based novel finite volume scheme for compressible single and multi-component flows
Amareshwara Sainadh Chamarthi, Steven H. Frankel, Abhishek Chintagunta
This paper introduces a novel approach to compute the numerical fluxes at the cell boundaries in the finite volume approach. Explicit gradients used in deriving the reconstruction…
Impact of wall modeling on kinetic energy stability for the compressible Navier-Stokes equations
Vikram Singh, Steven Frankel, Jan Nordström
Affordable, high order simulations of turbulent flows on unstructured grids for very high Reynolds number flows require wall models for efficiency. However, different wall models h…
High-Order Central-Upwind shock capturing scheme using a Boundary Variation Diminishing (BVD) Algorithm
Amareshwara Sainadh Chamarthi, Steven Frankel
In this paper, we present a novel hybrid nonlinear explicit-compact scheme for shock-capturing based on a boundary variation diminishing (BVD) reconstruction. In our approach, we c…
Quantum Circuit Design for Solving Linear Systems of Equations
Yudong Cao, Anmer Daskin, Steven Frankel +1
Recently, it is shown that quantum computers can be used for obtaining certain information about the solution of a linear system Ax=b exponentially faster than what is possible wit…