Works Published in 2008
Displaying works 41 - 60 of 138 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2008 journal article
The Dynamic Mechanical Environment of the Chondrocyte: A Biphasic Finite Element Model of Cell-Matrix Interactions Under Cyclic Compressive Loading
Journal of Biomechanical Engineering, 130(6), 061009.
author keywords: biomechanics; cellular biophysics; compressibility; finite element analysis
MeSH headings : Animals; Chondrocytes / physiology; Compressive Strength / physiology; Computer Simulation; Elastic Modulus / physiology; Extracellular Matrix / physiology; Finite Element Analysis; Humans; Mechanotransduction, Cellular / physiology; Models, Biological; Physical Stimulation / methods; Porosity; Stress, Mechanical
TL;DR:
The findings of this study demonstrate the complex dependence of dynamic mechanics in the local cellular environment of cartilage on macroscopic loading features and material properties of the ECM and the chondron and the multiscale simulations indicated that strain amplification factors were more significantly altered when loss of matrix stiffness was exclusive to the PCM.
(via Semantic Scholar)
europepmc.org (repository)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2008 journal article
Monitored steady-state excitation and recovery (MSSR) radiation force imaging using viscoelastic models
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 55(7), 1597–1610.
MeSH headings : Algorithms; Animals; Computer Simulation; Elastic Modulus; Elasticity Imaging Techniques / instrumentation; Elasticity Imaging Techniques / methods; Image Interpretation, Computer-Assisted / methods; In Vitro Techniques; Models, Biological; Muscle, Skeletal / diagnostic imaging; Muscle, Skeletal / physiology; Phantoms, Imaging; Stress, Mechanical; Swine; Viscosity
TL;DR:
A new radiation force technique is presented that tracks both steady-state displacement during prolonged force application and transient response following force cessation to estimate tissue mechanical properties such as elasticity and viscosity and demonstrates the feasibility of MSSER imaging.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2008 chapter
Propagation of Diffusing Pollutant by a Hybrid Eulerian–Lagrangian Method
In Hyperbolic Problems: Theory, Numerics, Applications (pp. 371–379).
Contributors: S. BenzoniGavage, A. Chertock n , E. Kashdan*, A. Kurganov * & D. Serre
Sources: Crossref, ORCID, NC State University Libraries
Added: July 20, 2019
2008 journal article
Constructing models of vertex algebras in higher dimensions
Bulgarian Journal of Physics, 35(s1), 36–42.
Source: NC State University Libraries
Added: July 10, 2019
2008 journal article
Combinatorial symbolic powers
Journal of Algebra, 319(1), 115–142.
author keywords: symbolic power; Grobner basis; perfect graph; edge ideal; determinantal ideal
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: Crossref
Added: June 30, 2019
2008 journal article
Toric geometry of cuts and splits
The Michigan Mathematical Journal, 57(0), 689–709.
Source: Crossref
Added: June 30, 2019
2008 journal article
Algebraic geometry of Gaussian Bayesian networks
Advances in Applied Mathematics, 40(4), 482–513.
author keywords: Bayesian network; graphical model; algebraic statistics; multivariate Gaussian; Grobbner basis
TL;DR:
It is shown that the ideal of any Bayesian network is homogeneous with respect to a multigrading induced by a collection of upstream random variables, which has a number of important consequences for hidden variable models.
(via Semantic Scholar)
Source: Crossref
Added: June 30, 2019
2008 chapter
Numerical Solution of the Nonlinear Helmholtz Equation
In Effective Computational Methods for Wave Propagation (Vol. 5, pp. 37–62).
Sources: Crossref, NC State University Libraries, ORCID
Added: June 30, 2019
2008 journal article
ORDINAL RANKING FOR GOOGLE'S PAGERANK
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 30(4), 1677–1696.
Contributors: R. Wills* & I. Ipsen
author keywords: ranking distance; power method; stochastic matrix; PageRank; Google matrix; ordinal rank; roundoff error
TL;DR:
This work presents computationally efficient criteria that can guarantee correct ordinal ranking of Google's PageRank scores when they are computed with the power method, and discusses the tightness of the ranking criteria, and illustrates their effectiveness for top k and bucket ranking.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
Semi-smooth Newton methods for the Signorini problem
APPLICATIONS OF MATHEMATICS, 53(5), 455–468.
author keywords: Signorini problem; variational inequality; semi-smooth Newton method; primal-dual active set strategy
Source: Web Of Science
Added: August 6, 2018
2008 journal article
QUANTIFYING UNCERTAINTY IN THE ESTIMATION OF PROBABILITY DISTRIBUTIONS
MATHEMATICAL BIOSCIENCES AND ENGINEERING, 5(4), 647–667.
author keywords: approximation; asymptotic standard error theory; confidence bands; parameter estimation; probability distributions; size-structured populations
MeSH headings : Models, Statistical; Probability; Uncertainty
TL;DR:
A computational framework for quantification of uncertainty associated with the estimated parameters is given and sample numerical findings are presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
Trustworthy Web services provisioning for differentiated customer services
TELECOMMUNICATION SYSTEMS, 39(3-4), 171–185.
author keywords: Web services; Security; Trustworthiness; Percentile response time; Service availability
TL;DR:
This paper considers a set of computer resources used by a service broker to host enterprise applications for two classes of differentiated customer services subject to a service level agreement, and studies three QoS metrics, namely, trustworthiness, a percentile response time, and availability.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
REDUCED-ORDER OPTIMAL CONTROL BASED ON APPROXIMATE INERTIAL MANIFOLDS FOR NONLINEAR DYNAMICAL SYSTEMS
SIAM JOURNAL ON NUMERICAL ANALYSIS, 46(6), 2867–2891.
author keywords: reduced-order methods; approximate inertial manifold; nonlinear Galerkin; decomposition of state space; infinite dimensional system
TL;DR:
A reduced-order method for optimal control problems in infinite dimensions based on approximate inertial manifolds is developed and special attention is given to the particular case when the dynamics are described by the Navier-Stokes equations in dimension two.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
PROJECTED PSEUDOTRANSIENT CONTINUATION
SIAM JOURNAL ON NUMERICAL ANALYSIS, 46(6), 3071–3083.
author keywords: pseudotransient continuation; constrained dynamics; gradient flow; bound-constrained optimization; quasi-Newton method
TL;DR:
A pseudotransient continuation algorithm for dynamics on subsets of $R^N$.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
Infinite-dimensional super Lie groups
DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS, 26(5), 463–482.
author keywords: Super Lie group; Supermanifold; Banach Lie group; Grassmann algebra; Banach manifold
Source: Web Of Science
Added: August 6, 2018
2008 journal article
INTERFACE TRACKING METHOD FOR COMPRESSIBLE MULTIFLUIDS
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 42(6), 991–1019.
Contributors: A. Chertock n , S. Karni* & A. Kurganov *
author keywords: Compressible Euler equations; multicomponent fluids; material interfaces; finite-volume schemes
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
BLOOD FLOW IN THE CIRCLE OF WILLIS: MODELING AND CALIBRATION
MULTISCALE MODELING & SIMULATION, 7(2), 888–909.
author keywords: blood flow; viscoelastic arteries; fluid-structure interaction; Kalman filtering
TL;DR:
A numerical model based on one-dimensional balance laws and ad hoc zero-dimensional boundary conditions is tested against experimental data and demonstrates the viability of the proposed approach on the circle of Willis, a vital subnetwork of the cerebral vasculature.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
An immersed interface method for solving incompressible viscous flows with piecewise constant viscosity across a moving elastic membrane
JOURNAL OF COMPUTATIONAL PHYSICS, 227(23), 9955–9983.
author keywords: Incompressible viscous flows; Piecewise constant viscosity; Singular force; Immersed interface method; Projection method; Front tracking method
TL;DR:
This paper presents an implementation of the second-order accurate immersed interface method to simulate the motion of the flexible elastic membrane immersed in two viscous incompressible fluids with different viscosities, and introduces the velocity components at the membrane as two augmented unknown interface variables to decouple the originally coupled jump conditions for the velocity and pressure.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2008 journal article
A second-order positivity preserving central-upwind scheme for chemotaxis and haptotaxis models
NUMERISCHE MATHEMATIK, 111(2), 169–205.
Contributors: A. Chertock n & A. Kurganov *
TL;DR:
Numerical results demonstrate high accuracy, stability, and robustness of the proposed second-order central-upwind scheme, which is applied to a number of two-dimensional problems including the most commonly used Keller–Segel chemotaxis model and its modern extensions.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
A Killer-Rescue system for self-limiting gene drive of anti-pathogen constructs
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 275(1653), 2823–2829.
author keywords: gene drive; selfish genes; Aedes; Anopheles; dengue; malaria
MeSH headings : Alleles; Animals; Culicidae / genetics; Culicidae / parasitology; Culicidae / virology; Disease Transmission, Infectious / prevention & control; Gene Frequency; Genes, Lethal; Genetic Engineering / methods; Genotype; Inheritance Patterns; Insect Vectors / genetics; Insect Vectors / parasitology; Insect Vectors / virology; Models, Genetic; Transgenes
TL;DR:
A gene-drive mechanism that can be self-limiting over time and space, and is simpler to build is proposed, which involves one gene that codes for toxicity (killer) and a second that confers immunity to the toxic effects (rescue).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
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