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Lorena Barba's publications

 

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Journal publications

The Department of Mathematics provides database-driven dynamic webpages listing publications of faculty members, with the actual data being maintained by the authors themselves (via a content management system).

 

Additional publications


 

Preprints, Submitted, and in preparation
Panel-free boundary conditions for viscous vortex methods
Christopher D. Cooper, L. A. Barba
SUBMITTED to AIAA
pdf
Global field interpolation for particle methods
L. A. Barba, Louis F. Rossi
SUBMITTED to Journal of Computational Physics
pdf
Fast Radial Basis Function Interpolation with Gaussians by Localization and Iteration
Claudio E. Torres, L. A. Barba
SUBMITTED to Journal of Computational Physics
pdf
Characterization of the errors of the FMM in particle simulations
Felipe A. Cruz, L. A. Barba
SUBMITTED to Int. J. Numerical Methods in Engineering.
Preprint uploaded to ArXiv.
pdf
PetFMM --- An automatically load-balancing parallel particle library
Felipe A. Cruz, Matthew G. Knepley, L. A. Barba
In preparation.
 
Lagrangian flow analysis of vortex structures
L. A. Barba, O. U. Velasco Fuentes
In preparation.
 

 

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Refereed conference papers
Lagrangian Flow Geometry of Tripolar Vortex.
L. A. Barba, O. U. Velasco Fuentes
pp. 247–256
DOI: 10.1007/978-1-4020-6744-0_21
IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence
Alexey V. Borisov, Valery V. Kozlov, Ivan S. Mamaev and Mikhail A. Sokolovskiy (Editors): Springer, 2007.
pdf
Spectral-like accuracy in space of a meshless vortex method.
L. A. Barba
pp. 187–197
Advances in Meshfree Techniques
V.M.A. Leitao, C.J.S. Alves, C. Armando Duarte (Editors): Springer, 2007.
Computational Methods in Applied Sciences, Vol. 5
pdf
Computing high-Reynolds number vortical flows: a highly accurate method with a fully meshless formulation.
L. A. Barba
pp. 305–312, doi:10.1016/B978-044452024-1/50039-7
Parallel Computational Fluid Dynamics - Multidisciplinary Applications
G. Winter, A. Ecer, J. Periaux, N. Satofuka and P. Fox (Editors): Elsevier, 2005.
pdf
Vortex method with fully meshless implementation for high-Reynolds number flow computations
L. A. Barba, A. Leonard, C. B. Allen
ECCOMAS 2004, Fourth European Congress on Computational Methods in Applied Sciences and Engineering.
24–28 July 2004. Jyväskylä, Finland
pdf
Numerical investigations on the accuracy of the vortex method with and without remeshing
L. A. Barba, A. Leonard, C. B. Allen
AIAA paper #2003-3426
16th AIAA Computational Fluid Dynamics Conference, 23–26 June 2003, Orlando FL
pdf

 

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Conference presentations (Abstracts & Posters, when available)

Additionally to the list below, I have co-organized and participated in several international conferences in the context of the SCAT project for Scientific Computing Advanced Training. Visit the SCAT project website!

Accurate solution of global field interpolations for particle simulations.
L. A. Barba, Louis F. Rossi
8th World Congress on Computational Mechanics / ECCOMAS 2008.
Venice, 30 June–7 July, 2008.
pdf
Characterization of the FMM approximation in particle simulations.
Felipe A. Cruz, L. A. Barba
8th World Congress on Computational Mechanics / ECCOMAS 2008.
Venice, 30 June–7 July, 2008.
pdf
Fast multipole method for particle interactions: an open source parallel library component.
Felipe A. Cruz, L. A. Barba, Matthew G. Knepley
20th International conference on Parallel Computational Fluid Dynamics.
Lyon, 19–22 May, 2008.
pdf
Eulerian versus Lagrangian flow geometry for analysis of vortex structures
L. A. Barba
EUROMECH Colloquium 491, Vortex dynamics from quantum to geophysical scales.
Exeter, 11–14 September, 2007.
 
Meshless simulation of Navier-Stokes equations with high-order and spatially adaptive basis functions
L. A. Barba, L. F. Rossi
9th US National Congress on Computational Mechanics.
San Francisco, 23–26 July, 2007.
 
Lagrangian flow geometry of tripole vortex simulations.
L. A. Barba, O. U. Velasco Fuentes
IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence.
Moscow, 24–30 August, 2006.
pdf
Emergence of tripoles in nonlinearly perturbed planar vortices: a numerical study.
L. A. Barba
International Conference on High Reynolds Number Vortex Interactions. Toulouse, 29–31 August 2005.
pdf
Spectral-like accuracy in space of a meshless vortex method.
L. A. Barba
ECCOMAS Thematic Conference on Meshless Methods. Lisbon, Portugal, 11–14 July 2005.
pdf
Numerical simulation of strained vortices with parallel vortex method.
17th International Conference on Parallel CFD. College Park, Maryland USA, 24–27 May 2005.
pdf
Numerical studies of relaxing 2D vortices with non-axisymmetric states.
L. A. Barba, A. Leonard
EUROMECH 448 Vortex Dynamics and Field Interactions. Paris, 6–10 September 2004.
pdf
Computation of viscous vortices with fully meshless method.
L. A. Barba, A. Leonard
21st ICTAM, International Congress of Theoretical and Applied Mechanics. Warsaw, Poland, 15–21 August 2004.
pdf
Computing high-Reynolds number vortical flows: a highly accurate method with a fully meshless formulation.
L. A. Barba
16th International Conference on Parallel CFD.Las Palmas de Gran Canaria, Spain, 24–27 May 2004.
pdf
Vortex method with meshless spatial adaption for accurate simulation of viscous, unsteady vortical flows.
L. A. Barba, A. Leonard, C. B. Allen
ICFD Conference on Numerical Methods for Fluid Dynamics
Oxford University, England, 29 March–1 April 2004.
pdf

 

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PhD Thesis, Caltech

Defended 18 May, 2004. Graduate Aeronautical Laboratories (GALCIT), California Institute of Technology, Pasadena.



Seminars and invited talks

 

2008

Aug. 19, Applied Mathematics Colloquium, Illinois Institute of Technology.
Global field interpolation for particle methods.
Visit hosted by: Prof. Gregory Fasshauer.

Aug. 18, Mechanical Engineering Seminar, Purdue University.
Visit hosted by: Prof. Marisol Koslowski.

Aug. 15, Mechanical Engineering, Belytschko-Liu group, Northwestern University.
Visit hosted by: Prof. Wing Kam Liu.

May. 29, Applied Mathematics Seminar, University of Sussex.
Preconditioned field interpolation for particle methods
Visit hosted by: Prof. Holger Wendland.

Feb. 6-7, Invited Course, Instituto Madrileño de Estudios Avanzados.
Meshfree methods and vortex methods
Watch the video/screencast of this seminar at the IMDEA site.

Feb. 5 , Mathematics & Aeronautics Seminar, Instituto Madrileño de Estudios Avanzados, IMDEA (Madrid, Spain)
Accurate solution of global field interpolations for particle methods
Watch the video/screencast of this seminar at the IMDEA site.

2006

Dec. 5, Applied Mathematics Seminar, University of Delaware.
Vortex multipoles and vortex quasimodes: the parallels and differences between coherent structures of fluids and plasmas
Visit hosted by: Prof. L. F. Rossi.

Nov. 13, Applied Mathematics Seminar, Exeter University.
Vortex multipoles and vortex quasimodes: the parallels and differences between coherent structures of fluids and plasmas
Visit hosted by: Prof. Andrew Gilbert.

May. 18, Fluid Dynamics Laboratory, Dept. of Applied Physics, Technical University of Eindhoven.
Lagrangian analysis of vortex structures: learning from vortex merging how to study the tripole.
Visit hosted by: Prof. G.J.F. vanHeijst.

This visit was made possible by a grant from the British Council-NWO Partnership Programme.

Mar. 17, Center for Environmental and Applied Fluid Mechanics (CEAFM) Seminars.  The Johns Hopkins University, Mechanical Engineering.
Lagrangian analysis of vortex structures: the case of the tripole.
Visit Hosted by: Prof. Charles Meneveau.

This visit was made possible by a grant from the Nuffield Foundation.


2005

Nov. 29, Centre for Nonlinear Mechanics, "The Brooke Sessions". University of Bath.
Meshless simulation of nonlinear interactions of vortices
Visit Hosted by:  Prof. Chris Budd.

May 27, Center for Environmental and Applied Fluid Mechanics (CEAFM) Seminars.  The Johns Hopkins University, Mechanical Engineering.
Emergence of tripoles in nonlinearly perturbed planar vortices
Visit Hosted by: Prof. Charles Meneveau.

This visit was made possible by a grant from the Nuffield Foundation.

May 23, Applied Mathematics Seminar, University of Delaware.
Emergence of tripoles in nonlinearly perturbed planar vortices
Visit hosted by: Prof. L. F. Rossi.

This visit was made possible by a grant from the Nuffield Foundation.

Jan. 24, Computational Laboratory Seminar, ETH Zürich, Switzerland.
Spectral-like accuracy in space of a meshless vortex method.
Visit Hosted by:  Prof. Petros Koumoutsakos, Director of the ETHZ CoLab and of the Institute of Computational Science.

This visit was funded by ETHZ CoLab.

 

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2004

Dec. 1Aerodynamics and Flight Mechanics Seminar, University of Southampton, U.K.
Emergence of tripoles in nonlinearly perturbed two-dimensional vortices: a numerical study.
Visit hosted by: Prof. Owen Tutty.

Oct. 6, "Baglunch Seminar", Department of Mathematics, University of Bristol.
Some Idiosyncrasies of Planar Vortices.

May 11, Department of Mathematics, University of Bristol, U.K.
Advanced Meshless Methods for Scientific Computation.

May 6, Fluid Mechanics Seminar Series, Department of Mathematics, University of Bristol, U.K.
Computation of Viscous Vortex Interactions with a Fully Meshless Method.

2003

Jan. 16, GALCIT, California Institute of Technology, Pasadena CA.
High Accuracy Vortex Methods: Advances Toward a Fully Meshless Formulation.

2002

Oct. 25, Colloquium, Centre for Mathematical Modelling, University of Leicester, U.K.
Unsteady Fluid Dynamics Computations with Vortex Methods.
Visit Hosted by:  Prof. Jeremy Levesley, Head of Department, Mathematics.

2000

Sep. 26Fluid Mechanics Research Conference, GALCIT, Caltech, Pasadena CA.
Computations of Vortex Induced Vibration using Viscous Vortex Methods.
Subsequent paper by Leonard and Roshko on Aspects of Flow-Induced Vibration (PDF) .
J. Fluids and Structures, (2001) 15:415–425.

Mar. 20-21, presenter at the
Eigth Annual Computational Sciences Outreach Awareness Program, Caltech, Pasadena CA. Hosted by The Center for Advanced Computing Research (CACR) for more than one hundred high school students drawn from science and technology programs throughout the Los Angeles metropolitan area.

 


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