Works (11)
Updated: July 5th, 2023 15:57
2019 journal article
A PARALLEL DOMAIN DECOMPOSITION METHOD FOR THE HELMHOLTZ EQUATION IN LAYERED MEDIA
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 41(5), C505–C521.
author keywords: Helmholtz equation; domain decomposition method; preconditioned iterative method; ultrasonic tomography; geological survey
TL;DR:
An efficient domain decomposition method and its parallel implementation for the solution of the Helmholtz equation in three-dimensional layered media are considered.
(via Semantic Scholar)
Source: Web Of Science
Added: November 25, 2019
2009 journal article
LAGRANGE MULTIPLIER APPROACH WITH OPTIMIZED FINITE DIFFERENCE STENCILS FOR PRICING AMERICAN OPTIONS UNDER STOCHASTIC VOLATILITY
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 31(4), 2646–2664.
author keywords: American option pricing; stochastic volatility model; linear complementarity problem; finite difference method; quadratic programming; multigrid method; Lagrange method; penalty method
TL;DR:
The deterministic numerical valuation of American options under Heston's stochastic volatility model is considered and a Lagrange approach is used to treat the linear complementarity problems.
(via Semantic Scholar)
open access via citeseerx.ist.psu.edu (repository)
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
A domain decomposition solver for acoustic scattering by elastic objects in layered media
JOURNAL OF COMPUTATIONAL PHYSICS, 227(19), 8685–8698.
author keywords: fast Helmholtz solver; scattering from elastic targets; domain decomposition preconditioner
TL;DR:
An improved finite element discretization based on trilinear basis functions leading to fourth-order phase accuracy is described, which demonstrates capability to evaluate the scattered field with hundreds of wavelengths.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2007 journal article
An adaptive evolutionary algorithm with intelligent mutation local searchers for designing multidrug therapies for HIV
APPLIED INTELLIGENCE, 27(3), 219–235.
TL;DR:
The results show that the therapies designed by the AEA lead to a “healthy” state faster than with the other methods, and the statistical analysis confirms the computational effectiveness of the algorithm.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2006 article
A fast iterative solver for scattering by elastic objects in layered media
APPLIED NUMERICAL MATHEMATICS, Vol. 57, pp. 811–820.
TL;DR:
A fast iterative solver for computing time-harmonic acoustic waves scattered by an elastic object in layered media using a domain decomposition preconditioner in the iterative solution of the resulting system of linear equations.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2006 journal article
A state-dependent Riccati equation-based estimator approach for HIV feedback control
OPTIMAL CONTROL APPLICATIONS & METHODS, 27(2), 93–121.
author keywords: multidrug therapies; feedback control; estimator; HIV model; SDRE
TL;DR:
By anticipation of and response to the disease progression, the dynamic multidrug strategy reduces the viral load, increases the CD4+ T‐cell count and improves the immune response.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2006 journal article
Determination of interrogating frequencies to maximize electromagnetic backscatter from objects with material coatings
Communications in Computational Physics, 1(2), 362–382.
Source: NC State University Libraries
Added: August 6, 2018
2006 journal article
Material surface design to counter electromagnetic interrogation of targets
SIAM JOURNAL ON APPLIED MATHEMATICS, 66(3), 1027–1049.
author keywords: electromagnetic; inverse scattering; attenuation
TL;DR:
F Fresnel's law for the reflectance index is extended to the electromagnetic propagation in anisotropic composite layers of ferromagnetic and electronic devices and is used to demonstrate feasibility of control of reflections.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2006 journal article
Preconditioned iterative methods on sparse subspaces
APPLIED MATHEMATICS LETTERS, 19(11), 1191–1197.
author keywords: subspace iteration; preconditioning; Krylov subspace method; domain decomposition method; fictitious domain method; interface problem
TL;DR:
This work considers the iterative solution of a discretized partial differential equation on this sparse subspace of a domain decomposition method and a fictitious domain method, where the subspace corresponds a small neighborhood of an interface.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2006 journal article
Solution of time-independent Schrodinger equation by the imaginary time propagation method
JOURNAL OF COMPUTATIONAL PHYSICS, 221(1), 148–157.
author keywords: imaginary time propagation; Schrodinger equation; Lanczos method; operator-splitting
TL;DR:
The results show that the ITP method has better scaling with respect to matrix size as compared to the implicitly restarted Lanczos method.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2005 journal article
A multigrid preconditioner and automatic differentiation for non-equilibrium radiation diffusion problems
JOURNAL OF COMPUTATIONAL PHYSICS, 207(1), 354–374.
author keywords: non-equilibrium radiation diffusion; multigrid method; preconditioning; Newton-Krylov method; automatic differentiation
TL;DR:
This work describes the computation of the Jacobian matrix for Newton's method using automatic differentiation based on the operator overloading in Fortran 90 and proposes a simple multigrid preconditioner applied directly to the coupled linearized problems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
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