Global spectral analysis: Review of numerical methods
The design and analysis of numerical methods are usually guided by the following:(a) von
Neumann analysis using Fourier series expansion of unknowns,(b) the modified differential …
Neumann analysis using Fourier series expansion of unknowns,(b) the modified differential …
Spurious waves in discrete computation of wave phenomena and flow problems
In the present work, we focus on spurious propagating disturbances (q-waves). To establish
the existence of q-waves in computations, we compare properties of different numerical …
the existence of q-waves in computations, we compare properties of different numerical …
Numerical investigation of marine propeller underwater radiated noise using acoustic analogy Part 2: The influence of eddy viscosity turbulence models
The present study focuses on the impact of eddy viscosity turbulence models on the
benchmark INSEAN E779A marine propeller hydroacoustic performance under non …
benchmark INSEAN E779A marine propeller hydroacoustic performance under non …
Error dynamics: beyond von Neumann analysis
The propagation of a signal in a continuous medium and the associated evolution of error is
of prime importance in many applications of applied physics. There have been many efforts …
of prime importance in many applications of applied physics. There have been many efforts …
[BOOK][B] Instabilities of flows and transition to turbulence
TK Sengupta - 2012 - api.taylorfrancis.com
There are books and monographs available on this subject, including one where the present
author collaborated in producing lecture notes on wider topics. Despite the availability of …
author collaborated in producing lecture notes on wider topics. Despite the availability of …
Analysis of sound generation by flow past a circular cylinder performing rotary oscillations using direct simulation approach
Generation of sound due to laminar flow past a circular cylinder performing rotary
oscillations has been studied using a direct numerical simulation approach. Two …
oscillations has been studied using a direct numerical simulation approach. Two …
A high accuracy preserving parallel algorithm for compact schemes for DNS
A new accuracy-preserving parallel algorithm employing compact schemes is presented for
direct numerical simulation of the Navier-Stokes equations. Here the connotation of …
direct numerical simulation of the Navier-Stokes equations. Here the connotation of …
Dynamical system approach to instability of flow past a circular cylinder
The main aim of this paper is to relate instability modes with modes obtained from proper
orthogonal decomposition (POD) in the study of global spatio-temporal nonlinear …
orthogonal decomposition (POD) in the study of global spatio-temporal nonlinear …
Further improvement and analysis of CCD scheme: dissipation discretization and de-aliasing properties
In this paper, we further analyze a combined compact difference (CCD) scheme proposed
recently [TK Sengupta, V. Lakshmanan, VVSN Vijay, A new combined stable and dispersion …
recently [TK Sengupta, V. Lakshmanan, VVSN Vijay, A new combined stable and dispersion …
A new combined stable and dispersion relation preserving compact scheme for non-periodic problems
A new compact scheme is presented for computing wave propagation problems and Navier–
Stokes equation. A combined compact difference scheme is developed for non-periodic …
Stokes equation. A combined compact difference scheme is developed for non-periodic …