University of Pittsburgh

Technical Reports

(Names of students listed in bold.)

2009

Report Author(s) Description Link Date
TR-MATH 09-01 J. Connors Convergence analysis and computational testing of the finite element discretization of the Navier-Stokes-alpha model PDF January 2009
TR-MATH 09-02 X. Hu AND D. Wang Low Mach Number Limit of Viscous Compressible
Magnetohydrodynamic Flows
PDF February 2009
TR-MATH 09-03 C. Manica and I. Stanculescu Numerical Analysis of Leray-Tikhonov Deconvolution Models
of Fluid Motion
PDF Feburary 2009
TR-MATH 09-04 J. Connors and A. Labovsky High Accuracy Semi-implicit Spectral Deffered Correction Decoupling Methods for a Parabolic Two Domain Problem PDF February 2009
TR-MATH 09-05 B. Doubrov,
J. Holland and G. Sparling
Space-time and G2 PDF February 2009
TR-MATH 09-06 A. Lozovskiy Numerical Analysis of the Semidiscrete Finite
Element Method for Computing the Noise
Generated by Turbulent Flows
PDF February 2009
TR-MATH 09-07 S. Verduzco-Flores, M. Bodner, G.B. Ermentrout, J. M. Fuster, YD.
Zhou
Working memory cells’ behavior may be explained by crossregional
networks with synaptic facilitation
PDF February 2009
TR-MATH 09-08 S. Verduzco-Flores, B. Ermentrout and M. Bodner From working memory to epilepsy: Dynamics of facilitation and inhibition
in a cortical network
PDF February 2009
TR-MATH 09-10 P. Hajlasz and Z. Liu A Compact Embedding of a Sobolev Space is
Equivalent to an Embedding into a Better
Space
PDF March 2009
TR-MATH 09-11 A. Vainchtein and E. Van Vleck Nucleation and propagation of phase mixtures in a bistable chain PDF March 2009
TR-MATH 09-12 B. Ganis and I. Yotov Implementation of a Mortar Mixed Finite Element Method using a Multiscale Flux Basis PDF March 2009
TR-MATH 09-13 B Layton and A Novoyny On Lighthill's acoustic analogy for low Mach number flows PDF April 2009
TR-MATH 09-14 J. Day, J. Rubin and C. Chow Competition Between Transients in the Rate of
Approach to a Fixed Point

PDF
(sup)

April 2009
TR-MATH 09-15 G. Chen, M. Slemrod and D. Wang Weak Continuity of the Gauss-Codazzi-Ricci System for Isometric Embedding PDF May 2009
TR-MATH 09-16 X. Hu and D. Wang Global Strong Solution to the Density-Dependent
Incompressible Viscoelastic Fluids
PDF May 2009
TR-MATH 09-17 L. Truskinovsky and A. Vaninchtein Beyond Kinetic Relations PDF May 2009
TR-MATH 09-18 S. Kubota, J. Rubin and T. Kitajima Modulation of LTP/LTD balance in STDP by
activity-dependent feedback mechanism
PDF May 2009
TR-MATH 09-19 A. Vainchtein The Role of Spinodal Region in the Kinetics of Lattice Phase Transitions PDF May 2009
TR-MATH 09-20 T. Stepien Tubuloglomerular Feedback-Mediated Dynamics in Three
Coupled Nephrons
PDF May 2009
TR-MATH 09-21 S. Bayrama, T. Stepien, and E. Pitman TGF-Mediated Dynamics in a System of Many Coupled
Nephrons
PDF May 2009
TR-MATH 09-22 R. Ingram A Mixed Finite Element Approximation of Stokes-Brinkman and NS-Brinkman Equation for Non-Darcian Flows PDF July 2009
TR-MATH 09-23 W. Layton and C. Trenchea The Das-Moser Commutator Closure for Filtering Through a Boundary is Well Posed PDF July 2009
TR-MATH 09-24 R. Ingram, M. Wheeler and I. Yotov A multipoint flux mixed finite element method on hexahedra'' by Ross Ingram, Mary F. Wheeler PDF July 2009
TR-MATH 09-25 M. Garvie, P. Maini and C Trenchea A Methodology for Parameter Identification in
Turing Systems
PDF August 2009
TR-MATH 09-26 M. F. Wheeler, T. Wildey, and I. Yotov A multiscale preconditioner for stochastic mortar mixed finite elements PDF August 2009
TR-MATH 09-27 W. Layton On Taylor/Eddy Solutions of Approximate Deconvolution Models of Turbulence PDF August 2009
TR-MATH 09-28 A. Vainchtein Effect of nonlinearity on the steady motion of a twinning dislocation PDF September 2009
TR-MATH 09-29 W. Layton, C. Pruett and L. Rebholz Temporally Regularized Direct Numerical
Simulation
PDF October 2009
TR-MATH 09-30 W. Layton Fluid-Porous Interface Conditions with the "Inertia Term" 1/2 |UFLUID|2 are not Galilean Invariant PDF October 2009
TR-MATH 09-31 A. Lozovskiy Numerical Analysis of the Fully Discrete Finite
Element Scheme for the Lighthill Acoustic Analogy and Estimating the Errorin the Sound Power
PDF October 2009

 

2008

Report Author(s) Description Link Date
TR-MATH 08-01 W. Layton, C. Manica, M. Neda and L. Rebholz Numerical Analysis and Computational comparisons of the NS-alpha and NS-omegaregularizations PDF January 2008
TR-MATH 08-02 W. Layton and I. Stanculescu Chebychev optimized approximate deconvolution models of turbulence PDF January 2008
TR-MATH 08-03 X. Hu and D. Wang Global existence and large-time behavior of solutions to the three-dimensional equations of compressible magnetohydrodynamics flows PDF January 2008
TR-MATH 08-04 X. Hu and D. Wang Global solutions to the three-dimensional full compressible magnetohydrodynamics flows PDF January 2008
TR-MATH 08-05 X. Hu and D. Wang Compactness of weak solutions to the three-dimensional compressible magnetohydrodynamics flows PDF January 2008
TR-MATH 08-06 A. Reynolds, J. Rubin, G. Clermont, J. Day, Y. Vodovotz, G. B. Ermentrout

A reduced mathematical model of the acute inflammatory response:
I. Derivation of model and analysis of anti-inflammation

PDF February 2008
TR-MATH 08-07 J. Day, J. Rubin, Y. Vodovotz, C. Chow,
A. Reynolds, G. Clermont
A reduced mathematical model of the acute inflammatory response II.
Capturing scenarios of repeated endotoxin administration
PDF February 2008
TR-MATH 08-08 K. Lipnikov, M. Shashkov, and I. Yotov Local flux mimetic finite difference methods PDF February 2008

TR-MATH 08-09

B. Ganis, H. Klie, M. F. Wheeler, T. Wildey, I. Yotov, and D. Zhang Stochastic collocation and mixed finite elements for flow in porous media PDF February 2008
TR-MATH 08-10 V. Girault, S. Sun, M. Wheeler, And I. Yotov Coupling discontinuous Galerkin and mixed finite element discretizations using mortar finite elements PDF February 2008
TR-MATH 08-11 G. Pencheva and I. Yotov Interior superconvergence in mortar and non-mortar mixed finite element methods on non-matching grids PDF March 2008
TR-MATH 08-12 J. Day, J. Rubin and C. Chow Competition Between Transients in the Rate of Approach to a Fixed Point PDF March 2008
TR-MATH 08-13 W. Layton, L. Rebholz and M. Sussman Energy and Helicity Dissipation Rates of the NS-Alpha and NS-Alpha-Deconvolution Models PDF March 2008
TR-MATH 08-14 S. P. Hastings and J. B. McLeod An Elementary Approach to a Model Problem of
Lagerstrom
PDF April 2008
TR-MATH 08-15 B. Ermentrout and S.P. Hastings Steady state analysis of a continuum model for super-infection. PDF April 2008
TR-MATH 08-16 S. Dauna, J. Rubin, Y. Vodovotz, A. Roye, R. Parkere and G. Clermont An Ensemble of Models of the Acute Inflammatory Response to Bacterial Lipopolysaccharide in Rats: Results from Parameter Space Reduction PDF April 2008
TR-MATH 08-17 A. Cesmelioglu and B. Riviere Analysis of Time-Dependent Navier-Stokes Flow Coupled with Darcy Flow PDF May 2008
TR-MATH 08-18 W. Layton, I. Stanculescu and C. Trenchea Theory of the NS-omega model: A Compliment to the NS-alpha Model PDF June 2008
TR-MATH 08-19 J. Connors and W. Layton On the Accuracy of the Finite Element Method Plus Time Relaxation PDF June 2008
TR-MATH 08-20 W. Layton, C. Manica, M. Neda, M. Olshanskii and L. Rebholz On the Accurate of the Rotation form in Simulations of the Navier- Stokes Equations PDF June 2008
TR-MATH 08-21 S. Daun, J. Rubin and I. Rybak Control of Oscillation Periods and Phase Durations in Half-Central Pattern Generators: a Comparative Mechanistic Analysis PDF July 2008
TR-MATH 08-27 P. Gartside and Z. Feng Spaces with a Finite Family of Basic Functions PDF July 2008
TR-MATH 08-22 D. Vassilev and I. Yotov Coupling Stokes-Darcy Flow with Transport PDF August 2008
TR-MATH 08-23 R. Ingram, W. Layton and N. Mays Analysis of Iterated Tikhonov: Defect Correction for Ill-Posed Problems PDF August 2008
TR-MATH 08-28 L. Chism, X. He, L. Huang, A. Ibrahim,
C. Jones, Y. Shu, C. Wah Wu, Z. Fu
Performance study of peer-to-peer video streaming
on complex networks
PDF August 2008
TR-MATH 08-24 M. Garvie and C. Trenchea The Identification of Space Time Distributed Parameters in Reaction-Diffusion Systems PDF September 2008
TR-MATH 08-25 W. Layton Existence of Smooth Attractors for the
Navier-Stokes-Omega Model of Turbulence: Expanded Version
PDF December 2008
TR-MATH 08-26 J. Conners, J. Howell and W. Layton Partitioned Timestepping For a Parabolic Two Domain Problem PDF December 2008

2007

Report Author(s) Description Link Date
TR-MATH 07-01 W. Layton and R. Lewandowski A high accuracy Leray-deconvolution model of turbulence and its limiting behavior PDF January 2007
TR-MATH 07-02 W. Layton and I. Stanculescu K-41 optimized approximate deconvolution models PDF January 2007
TR-MATH 07-03 P. Lindqvist and J.J. Manfredi Viscosity supersolutions of the evolutionary p-Laplace equation PDF February 2007
TR-MATH 07-04 S. Zenker, J. Rubin, and G. Clermont Towards a model based medicine: a clinically meaningful approach to ill-posed inverse problems in quantitative physiology PDF February 2007
TR-MATH 07-05 W. Layton A remark on regularity of an elliptic-elliptic singular perturbation problem PDF February 2007
TR-MATH 07-06 B. Lal Sharma and A. Vainchtein Quasistatic propagation of steps along a phase boundary PDF March 2007
TR-MATH 07-07 Y. Zhen and A. Vainchtein Dynamics of steps along a martensitic phase boundary I: semi-analytical solution PDF March 2007
TR-MATH 07-08 Y. Zhen and A. Vainchtein Dynamics of steps along a martensitic phase boundary II: numerical simulations PDF March 2007
TR-MATH 07-09 V. Girault and B. Riviere DG approximation of coupled Navier-Stokes and Darcy equations by Beaver-Joseph-Saffman interface condition PDF March 2007
TR-MATH 07-10 S. Chanillo and J. J. Manfredi Sharp global bounds for the Hessian on pseudo-hermitian manifolds PDF April
2007
TR-MATH 07-11 A. Borisov, M. Dickinson and S. Hastings A congruence problem for polyhedra PDF
Code
April
2007
TR-MATH 07-12 S. Hastings, D. Kinderlehrer, J.B. McLeod Diffusion mediated transport in multiple state systems PDF April
2007
TR-MATH 07-21 P. Gartside and Z. Feng More stratifiable function spaces PDF April 2007
TR-MATH 07-22 Z. Feng and R. Heath Metrizability of Topological Semigroups on Linearly Ordered Topological Spaces PDF April 2007
TR-MATH 07-13 P.Chidyagwai and B. Riviere
A weak solution and a multinumerics solution of the coupled Navier-Stokes and Darcy equations PDF August 2007
TR-MATH 07-14 A. Labovschii A Defect Correction Method for the Time-Dependent Navier-Stokes Equations PDF August 2007

TR-MATH 07-15

A. Labovschii, W. Layton, C. Manica, M. Neda, L. Rebholz The Stabilized, Extrapolated Trapezoidal Finite Element Method for the Navier-Stokes Equations PDF August 2007
TR-MATH 07-16 A. Labovschii, C. Trenchea Large Eddy Simulation for MHD Flows PDF August 2007
TR-MATH 07-17

I. Stanculescu

Existence Theory of Abstract Approximate Deconvolution Models of Turbulence PDF August 2007
TR-MATH 07-18

A. Labovschii,
W. Layton, C. Manica, M. Neda, L. Rebholz,
I. Stanculescu, C. Trenchea

Mathematical Architecture of Approximate Deconvolution Models of Turbulence PDF September 2007
TR-MATH 07-19 L. Truskinovsky, A. Vainchtein Dynamics of martensitic phase boundaries: discreteness,
dissipation and inertia
PDF October 2007
TR-MATH 07-20 A. Labovschii A Defect Correction Method for the Evolutionary
Convection Diffusion Problem with Increased Time Accuracy
PDF October 2007

2006

Report Author(s) Description Link Date
TR-MATH 06-01 Y. Epshteyn, T. Khan, and B. Riviere Inverse problem in optical tomography using discontinuous Galerkin method PDF January 2006
TR-MATH 06-02 L. Rebholz An energy and helicity conserving finite element scheme for the Navier-Stokes equations PDF January 2006
TR-MATH 06-03 J. Rubin and A. Bose The geometry of neuronal recruitment PDF February 2006
TR-MATH 06-04 V. John, W. Layton, and C. Manica Convergence of time averaged statistics of finite element approximations of the Navier-Stokes equations PDF February 2006
TR-MATH 06-05 Y. Epshteyn and B. Riviere Symmetric interior penalty Galerkin methods for elliptic problems PDF February 2006
TR-MATH 06-06 V. Ervin, W. Layton, and M. Neda Numerical analysis of a higher order time relaxation model of fluids PDF February 2006
TR-MATH 06-07 J. Proft and B. Riviere Analytical and numerical study of diffusive fluxes for transport equations with near-degenerate coefficients PDF April 2006
TR-MATH 06-08 J. Rubin Bursting induced by excitatory synaptic coupling in non-identical conditional relaxation oscillators or square-wave bursters PDF April 2006
TR-MATH 06-09 W. Layton and M. Neda A similarity theory of approximate deconvolution models of turbulence PDF May 2006
TR-MATH 06-10 W. Layton, C. Manica, M. Neda, and L. Rebholz The joint helicity-energy cascade for homogeneous, isotropic turbulence generated by approximate deconvolution models PDF May 2006
TR-MATH 06-11 C. Manica and S. Kaya Merdan New discretizations of turbulent flow problems PDF May 2006
TR-MATH 06-12 C. Manica and S. Kaya Merdan Convergence analysis of the finite element method for a fundamental model in turbulence PDF May 2006
TR-MATH 06-13 W. Layton Bounds on energy and helicity dissipation rates of approximate deconvolution models of turbulence PDF June 2006
TR-MATH 06-14 P. Lindqvist and J. Manfredi Note on a remarkable superposition for a nonlinear equation PDF July 2006
TR-MATH 06-15 T. Arbogast, G. Pencheva, M.F. Wheeler, and I. Yotov A multiscale mortar mixed finite element method PDF July 2006
TR-MATH 06-16 W. Layton Superconvergence of finite element discretization of time relaxation models of advection PDF August 2006
TR-MATH 06-17 Y. Epshteyn and B. Riviere Analysis of hp discontinuous Galerkin methods for incompressible two-phase flow PDF September 2006
TR-MATH 06-18 M. Neda and B. Riviere Discontinuous finite elements for solving the Stolz-Adams approximate deconvolution model for turbulent flows PDF October 2006
TR-MATH 06-19 L. Rebholz A family of new high order NS-alpha models arising from helicity correction in Leray turbulence models PDF November 2006
TR-MATH 06-20 J. Rubin and M. Wechselberger Giant squid-hidden canard: the 3D geometry of the Hodkin-Huxley model PDF November 2006
TR-MATH 06-21 W. Layton, C. Manica, M. Neda, and L. Rebholz Numerical analysis and computational testing of a high accuracy Leray-deconvolution model of turbulence PDF November 2006

2005

Report Author(s) Description Link Date
TR-MATH 05-01 S. Kaya, W. Layton, and B. Riviere Subgrid stabilized defect correction methods for the Navier-Stokes equations PDF February 2005
TR-MATH 05-02 V. John, S. Kaya, and W. Layton A two-level variational multiscale method for convection-diffusion equations PDF February 2005
TR-MATH 05-03 W. Layton and R. Lewandowski An exposition on the time-averaged accuracy of approximate de-convolution, large eddy simulation models of turbulence PDF February 2005
TR-MATH 05-04 J. Best, A. Borisyuk, J. Rubin, D. Terman, and M. Wechselberger The dynamic range of bursting in a network of synaptically coupled square-wave bursting respiratory pacemaker cells PDF February 2005
TR-MATH 05-05 W. Layton and R. Lewandowski Residual stress of approximate deconvolution models of turbulence PDF April 2005
TR-MATH 05-06 M.F. Wheeler and I. Yotov A multipoint flux mixed finite element method PDF July 2005
TR-MATH 05-07 Y. Epshteyn and B. Riviere Fully implicit discontinuous Galerkin schemes for multiphase flow PDF June 2005
TR-MATH 05-08 L. Truskinovsky and A. Vainchtein Quasicontinuum models of dynamic phase transitions PDF July 2005
TR-MATH 05-09 L. Rebholz A multiscale V-P discretization for flow problems PDF September 2005
TR-MATH 05-10 W. Klieber and B. Riviere Adaptive simulations of two-phase flow by discontinuous Galerkin methods PDF October 2005
TR-MATH 05-11 L. Rebholz Conservation laws of turbulence models PDF October 2005
TR-MATH 05-12 G. Pencheva On some numerical convergence studies of mixed finite element methods for flow in porous media PDF November 2005
TR-MATH 05-13 K. Lipnikov, M. Shashkov, and I. Yotov Local flux mimetic finite difference methods PDF November 2005
TR-MATH 05-14 I. Aavatsmark, G.T. Eigestad, R.A. Klausen, M.F. Wheeler, and I. Yotov Convergence of a symmetric MPFA method on quadrilateral grids PDF November 2005
TR-MATH 05-15 W. Layton and M. Neda Truncation of scales by time relaxation PDF November 2005
TR-MATH 05-16 J. Rubin and K. Josic The firing of an excitable neuron in the presence of stochastic trains of strong synaptic inputs PDF November 2005
TR-MATH 05-17 G. Pencheva and I. Yotov Changes in UTPRODJ3D: a three-dimension multiblock mixed-hybrid finite element code PDF November 2005
TR-MATH 05-18 T. Russel, M.F. Wheeler, and I. Yotov Superconvergence for control-volume mixed finite element methods on rectangular grids PDF Nov. 2005
TR-MATH 05-19 M.F. Wheeler and I. Yotov A cell-centered finite difference method on quadrilaterals PDF November 2005

2004

Report Author(s) Description Link Date
TR-MATH 04-01 J. Rubin and A. Bose Localized activity pattern in excitatory neuronal networks PDF February 2004
TR-MATH 04-02 B. Riviere Numerical study of a discontinuous Galerkin method for incompressible two-phase flow PDF March 2004
TR-MATH 04-03 L. Truskinovsky and A. Vainchtein Quasicontinuum modeling of short-wave instabilities in crystal lattices PDF April 2004
TR-MATH 04-04 K. Josic and J. Rubin Deriving information about architecture from activity patterns in coupled cell systems PDF April 2004
TR-MATH 04-05 W. Layton and R. Lewandowski On a well-posed turbulence model PDF August 2004
TR-MATH 04-06 S. Kaya and B. Riviere A two-grid stabilization method for solving the steady-state Navier-Stokes equations PDF August 2004
TR-MATH 04-07 W. Layton and R. Lewandowski Consistency and feasibility of approximate deconvolution models of turbulence PDF August 2004
TR-MATH 04-08 V. Girault, B. Riviere, and M. Wheeler A splitting method using discontinuous Galerkin for the transient incompressible Navier-Stokes equations PDF September 2004
TR-MATH 04-09 L. Truskinovsky and A. Vainchtein Kinetics of martensitic phase transitions: lattice model PDF October 2004

2003

Report Author(s) Description Link Date
TR-MATH 03-01 J. Su, J. Rubin, and D. Terman Effects of noise on elliptic bursters PDF January 2003
TR-MATH 03-02 W. Layton Model reduction by constraints, discretization of flow problems and an induced pressure stabilization PDF January 2003
TR-MATH 03-03 W. Layton A mathematical introduction to large Eddy simulation PDF January 2003
TR-MATH 03-04 S. Kaya Numerical analysis of a subgrid scale Eddy viscosity method for higher Reynolds number flow problems PDF January 2003
TR-MATH 03-05 S. Kaya and W. Layton Subgrid-scale eddy viscosity methods are variational multiscale methods PDF January 2003
TR-MATH 03-06 V. John, W. Layton, and N. Sahin Derivation and analysis of near wall models for channel and recirculating flows PDF February 2003
TR-MATH 03-07 L. Truskinovsky and A. Vainchtein About the origin of the nucleation peak in transformational plasticity PDF April 2003
TR-MATH 03-08 B. Riviere and I. Yotov Locally conservative coupling of Stokes and Darcy flows PDF May 2003
TR-MATH 03-09 M. Kaya Existence of weak solutions for a scale-similarity model of the motion of large eddies in turbulent flow PDF July 2003
TR-MATH 03-10 J. Drover, J. Rubin, J. Su, and B. Ermentrout Analysis of a canard mechanism by which excitatory synaptic coupling can synchronize neurons at low firing frequencies PDF July 2003
TR-MATH 03-11 B. Riviere Analysis of a discontinuous finite element method for the coupled Stokes and Darcy problems PDF July 2003
TR-MATH 03-12 L. Truskinovsky and A. Vainchtein Explicit kinetic relation from "first principles" PDF August 2003
TR-MATH 03-13 G.M. Constantine On the partial orthogonality of faithful characters PDF August 2003
TR-MATH 03-14 S. Kaya and B. Riviere Analysis of a discontinuous Galerkin and eddy viscosity method for Navier-Stokes PDF September 2003
TR-MATH 03-15 Y.B. Altundas and G. Caginalp Computations of dendrites in 3-D and comparison with microgravity experiments PDF September 2003
TR-MATH 03-16 R.C. Read and E.G. Whitehead Jr. A note on chain lengths and the Tutte polynomial PDF October 2003
TR-MATH 03-17 M. Anitescu, W.J. Layton, and F. Pahlevani Implicit for local effects and explicit for nonlocal effects is unconditionally stable PDF October 2003
TR-MATH 03-18 A. Dunca and Y. Epshteyn On the Adams-Stolz deconvolution LES models PDF October 2003

2002

Report Author(s) Description Link Date
TR-MATH 02-01 P. Bastian and B. Riviere Superconvergence and H(div) projection for discontinuous Galerkin methods PDF September 2002
TR-MATH 02-02 G. Pencheva and I. Yotov Balancing domain decomposition for mortar mixed finite element methods PDF October 2002
TR-MATH 02-03 T.C. Hales The honeycomb problem on the sphere PDF November 2002
TR-MATH 02-04 J. Gordon and T.C. Hales Virtual transfer factors PDF November 2002
TR-MATH 02-05 A. Caglar Weak imposition of boundary conditions for the Navier-Stokes equations PDF November 2002
TR-MATH 02-06 L. Truskinovsky and A. Vainchtein Peierls-Nabarro landscape for martensitic phase transitions PDF December 2002
TR-MATH 02-07 T.C. Hales Orbital integrals are motivic PDF December 2002